HTTP/1.1 200 OK
Connection: close
Date: Mon, 25 Jan 2016 14:05:58 GMT
Server: Apache
Vary: Accept-Encoding
Content-Type: application/json; charset=UTF-8
Client-Response-Num: 1
Client-Transfer-Encoding: chunked
Set-Cookie: x=MjU0SkhqYUFnQUh1UzAxNDUzNzMwNzU4VfA; domain=.nestoria.de; path=/; expires=Thu, 22-Jan-2026 14:05:58 GMT

{"request":{"country":"de","language":"de","location":"koeln","pretty":"0","product_type":"realestate","warnings":"1"},"response":{"attribution":{"img_height":22,"img_url":"http://s.uk.nestoria.nestimg.com/i/realestate/all/all/pbr.png","img_width":183,"link_to_img":"http://www.nestoria.com"},"created_http":"Mon, 25 Jan 2016 14:05:58 GMT","created_unix":1453730758,"metadata":[{"currency":"EUR","data":{"2015_m1":{"avg_price":"758.72","datapoints":"458","month":"Jan"},"2015_m10":{"avg_price":"764.42","datapoints":"198","month":"Oct"},"2015_m11":{"avg_price":"767.39","datapoints":"198","month":"Nov"},"2015_m12":{"avg_price":"777.76","datapoints":"178","month":"Dec"},"2015_m2":{"avg_price":"718.92","datapoints":"459","month":"Feb"},"2015_m3":{"avg_price":"697.75","datapoints":"556","month":"Mar"},"2015_m4":{"avg_price":"654.32","datapoints":"658","month":"Apr"},"2015_m5":{"avg_price":"626.07","datapoints":"822","month":"May"},"2015_m6":{"avg_price":"650.88","datapoints":"670","month":"Jun"},"2015_m7":{"avg_price":"670.12","datapoints":"494","month":"Jul"},"2015_m8":{"avg_price":"682.11","datapoints":"647","month":"Aug"},"2015_m9":{"avg_price":"731.08","datapoints":"424","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_1bed_property_rent_monthly","num_beds":"1","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"138244.80","datapoints":"299","month":"Jan"},"2015_m10":{"avg_price":"149706.74","datapoints":"220","month":"Oct"},"2015_m11":{"avg_price":"145786.69","datapoints":"244","month":"Nov"},"2015_m12":{"avg_price":"142042.07","datapoints":"237","month":"Dec"},"2015_m2":{"avg_price":"143087.28","datapoints":"249","month":"Feb"},"2015_m3":{"avg_price":"137415.86","datapoints":"289","month":"Mar"},"2015_m4":{"avg_price":"138694.07","datapoints":"296","month":"Apr"},"2015_m5":{"avg_price":"143612.84","datapoints":"265","month":"May"},"2015_m6":{"avg_price":"151517.04","datapoints":"312","month":"Jun"},"2015_m7":{"avg_price":"152583.43","datapoints":"208","month":"Jul"},"2015_m8":{"avg_price":"143561.00","datapoints":"323","month":"Aug"},"2015_m9":{"avg_price":"148389.17","datapoints":"258","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_1bed_property_buy_monthly","num_beds":"1","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"496.82","datapoints":"868","month":"Jan"},"2015_m10":{"avg_price":"517.09","datapoints":"555","month":"Oct"},"2015_m11":{"avg_price":"473.83","datapoints":"532","month":"Nov"},"2015_m12":{"avg_price":"491.21","datapoints":"321","month":"Dec"},"2015_m2":{"avg_price":"484.05","datapoints":"735","month":"Feb"},"2015_m3":{"avg_price":"465.39","datapoints":"877","month":"Mar"},"2015_m4":{"avg_price":"471.87","datapoints":"999","month":"Apr"},"2015_m5":{"avg_price":"456.44","datapoints":"1000","month":"May"},"2015_m6":{"avg_price":"475.62","datapoints":"1153","month":"Jun"},"2015_m7":{"avg_price":"502.57","datapoints":"973","month":"Jul"},"2015_m8":{"avg_price":"525.48","datapoints":"1089","month":"Aug"},"2015_m9":{"avg_price":"534.68","datapoints":"813","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_1room_property_rent_monthly","num_beds":"all","num_rooms":"1","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-1"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"92074.25","datapoints":"224","month":"Jan"},"2015_m10":{"avg_price":"93126.31","datapoints":"197","month":"Oct"},"2015_m11":{"avg_price":"88830.45","datapoints":"204","month":"Nov"},"2015_m12":{"avg_price":"91272.21","datapoints":"208","month":"Dec"},"2015_m2":{"avg_price":"88742.88","datapoints":"197","month":"Feb"},"2015_m3":{"avg_price":"86981.06","datapoints":"251","month":"Mar"},"2015_m4":{"avg_price":"88168.64","datapoints":"264","month":"Apr"},"2015_m5":{"avg_price":"90297.59","datapoints":"288","month":"May"},"2015_m6":{"avg_price":"94367.62","datapoints":"350","month":"Jun"},"2015_m7":{"avg_price":"88708.51","datapoints":"293","month":"Jul"},"2015_m8":{"avg_price":"93893.47","datapoints":"343","month":"Aug"},"2015_m9":{"avg_price":"92420.31","datapoints":"246","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_1room_property_buy_monthly","num_beds":"all","num_rooms":"1","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-1"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"1096.77","datapoints":"379","month":"Jan"},"2015_m10":{"avg_price":"1079.68","datapoints":"207","month":"Oct"},"2015_m11":{"avg_price":"1062.82","datapoints":"173","month":"Nov"},"2015_m12":{"avg_price":"1091.64","datapoints":"220","month":"Dec"},"2015_m2":{"avg_price":"1064.14","datapoints":"369","month":"Feb"},"2015_m3":{"avg_price":"1045.33","datapoints":"482","month":"Mar"},"2015_m4":{"avg_price":"1032.27","datapoints":"396","month":"Apr"},"2015_m5":{"avg_price":"1000.00","datapoints":"379","month":"May"},"2015_m6":{"avg_price":"1039.70","datapoints":"331","month":"Jun"},"2015_m7":{"avg_price":"1056.09","datapoints":"253","month":"Jul"},"2015_m8":{"avg_price":"1066.58","datapoints":"339","month":"Aug"},"2015_m9":{"avg_price":"1114.60","datapoints":"238","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_2bed_property_rent_monthly","num_beds":"2","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"220234.59","datapoints":"253","month":"Jan"},"2015_m10":{"avg_price":"243621.77","datapoints":"255","month":"Oct"},"2015_m11":{"avg_price":"235184.36","datapoints":"302","month":"Nov"},"2015_m12":{"avg_price":"218352.37","datapoints":"281","month":"Dec"},"2015_m2":{"avg_price":"226987.94","datapoints":"265","month":"Feb"},"2015_m3":{"avg_price":"253725.33","datapoints":"361","month":"Mar"},"2015_m4":{"avg_price":"255836.13","datapoints":"331","month":"Apr"},"2015_m5":{"avg_price":"249654.19","datapoints":"310","month":"May"},"2015_m6":{"avg_price":"251160.31","datapoints":"318","month":"Jun"},"2015_m7":{"avg_price":"252101.75","datapoints":"320","month":"Jul"},"2015_m8":{"avg_price":"249906.81","datapoints":"433","month":"Aug"},"2015_m9":{"avg_price":"245480.28","datapoints":"323","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_2bed_property_buy_monthly","num_beds":"2","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"737.30","datapoints":"1625","month":"Jan"},"2015_m10":{"avg_price":"754.22","datapoints":"1472","month":"Oct"},"2015_m11":{"avg_price":"767.23","datapoints":"1267","month":"Nov"},"2015_m12":{"avg_price":"729.49","datapoints":"1004","month":"Dec"},"2015_m2":{"avg_price":"722.86","datapoints":"1391","month":"Feb"},"2015_m3":{"avg_price":"678.25","datapoints":"1735","month":"Mar"},"2015_m4":{"avg_price":"695.47","datapoints":"1832","month":"Apr"},"2015_m5":{"avg_price":"706.36","datapoints":"1888","month":"May"},"2015_m6":{"avg_price":"730.01","datapoints":"2306","month":"Jun"},"2015_m7":{"avg_price":"718.17","datapoints":"1680","month":"Jul"},"2015_m8":{"avg_price":"717.97","datapoints":"2101","month":"Aug"},"2015_m9":{"avg_price":"730.48","datapoints":"1746","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_2room_property_rent_monthly","num_beds":"all","num_rooms":"2","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-2"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"150090.56","datapoints":"667","month":"Jan"},"2015_m10":{"avg_price":"155074.72","datapoints":"735","month":"Oct"},"2015_m11":{"avg_price":"156576.67","datapoints":"620","month":"Nov"},"2015_m12":{"avg_price":"159731.38","datapoints":"589","month":"Dec"},"2015_m2":{"avg_price":"151066.76","datapoints":"613","month":"Feb"},"2015_m3":{"avg_price":"152492.77","datapoints":"698","month":"Mar"},"2015_m4":{"avg_price":"155232.22","datapoints":"529","month":"Apr"},"2015_m5":{"avg_price":"161192.37","datapoints":"504","month":"May"},"2015_m6":{"avg_price":"163686.78","datapoints":"859","month":"Jun"},"2015_m7":{"avg_price":"159554.07","datapoints":"716","month":"Jul"},"2015_m8":{"avg_price":"155903.35","datapoints":"872","month":"Aug"},"2015_m9":{"avg_price":"155038.08","datapoints":"807","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_2room_property_buy_monthly","num_beds":"all","num_rooms":"2","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-2"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"1331.76","datapoints":"111","month":"Jan"},"2015_m10":{"avg_price":"1379.19","datapoints":"91","month":"Oct"},"2015_m11":{"avg_price":"1405.38","datapoints":"96","month":"Nov"},"2015_m12":{"avg_price":"1371.41","datapoints":"118","month":"Dec"},"2015_m2":{"avg_price":"1365.43","datapoints":"121","month":"Feb"},"2015_m3":{"avg_price":"1387.61","datapoints":"144","month":"Mar"},"2015_m4":{"avg_price":"1350.18","datapoints":"157","month":"Apr"},"2015_m5":{"avg_price":"1295.20","datapoints":"181","month":"May"},"2015_m6":{"avg_price":"1337.13","datapoints":"180","month":"Jun"},"2015_m7":{"avg_price":"1407.18","datapoints":"132","month":"Jul"},"2015_m8":{"avg_price":"1352.92","datapoints":"150","month":"Aug"},"2015_m9":{"avg_price":"1338.60","datapoints":"88","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_3bed_property_rent_monthly","num_beds":"3","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"407444.84","datapoints":"157","month":"Jan"},"2015_m10":{"avg_price":"373875.05","datapoints":"159","month":"Oct"},"2015_m11":{"avg_price":"399209.39","datapoints":"186","month":"Nov"},"2015_m12":{"avg_price":"395332.71","datapoints":"223","month":"Dec"},"2015_m2":{"avg_price":"413496.32","datapoints":"154","month":"Feb"},"2015_m3":{"avg_price":"404665.69","datapoints":"210","month":"Mar"},"2015_m4":{"avg_price":"411122.65","datapoints":"182","month":"Apr"},"2015_m5":{"avg_price":"412837.56","datapoints":"185","month":"May"},"2015_m6":{"avg_price":"435883.68","datapoints":"234","month":"Jun"},"2015_m7":{"avg_price":"429250.92","datapoints":"269","month":"Jul"},"2015_m8":{"avg_price":"404968.80","datapoints":"399","month":"Aug"},"2015_m9":{"avg_price":"401766.77","datapoints":"257","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_3bed_property_buy_monthly","num_beds":"3","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"964.59","datapoints":"1610","month":"Jan"},"2015_m10":{"avg_price":"962.81","datapoints":"1492","month":"Oct"},"2015_m11":{"avg_price":"982.86","datapoints":"1293","month":"Nov"},"2015_m12":{"avg_price":"993.61","datapoints":"1224","month":"Dec"},"2015_m2":{"avg_price":"969.37","datapoints":"1475","month":"Feb"},"2015_m3":{"avg_price":"969.00","datapoints":"1880","month":"Mar"},"2015_m4":{"avg_price":"933.61","datapoints":"1794","month":"Apr"},"2015_m5":{"avg_price":"940.72","datapoints":"1866","month":"May"},"2015_m6":{"avg_price":"954.25","datapoints":"2182","month":"Jun"},"2015_m7":{"avg_price":"943.00","datapoints":"1721","month":"Jul"},"2015_m8":{"avg_price":"939.92","datapoints":"2148","month":"Aug"},"2015_m9":{"avg_price":"971.32","datapoints":"1810","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_3room_property_rent_monthly","num_beds":"all","num_rooms":"3","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-3"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"225881.85","datapoints":"864","month":"Jan"},"2015_m10":{"avg_price":"231324.28","datapoints":"1043","month":"Oct"},"2015_m11":{"avg_price":"223569.66","datapoints":"885","month":"Nov"},"2015_m12":{"avg_price":"229067.25","datapoints":"845","month":"Dec"},"2015_m2":{"avg_price":"229585.47","datapoints":"792","month":"Feb"},"2015_m3":{"avg_price":"230468.29","datapoints":"1000","month":"Mar"},"2015_m4":{"avg_price":"237196.76","datapoints":"825","month":"Apr"},"2015_m5":{"avg_price":"234532.79","datapoints":"817","month":"May"},"2015_m6":{"avg_price":"233730.16","datapoints":"1114","month":"Jun"},"2015_m7":{"avg_price":"235695.71","datapoints":"936","month":"Jul"},"2015_m8":{"avg_price":"226768.36","datapoints":"1224","month":"Aug"},"2015_m9":{"avg_price":"235538.09","datapoints":"1074","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_3room_property_buy_monthly","num_beds":"all","num_rooms":"3","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-3"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"1357.09","datapoints":"75","month":"Jan"},"2015_m10":{"avg_price":"2076.17","datapoints":"38","month":"Oct"},"2015_m11":{"avg_price":"2062.42","datapoints":"29","month":"Nov"},"2015_m12":{"avg_price":"1900.19","datapoints":"29","month":"Dec"},"2015_m2":{"avg_price":"1406.79","datapoints":"56","month":"Feb"},"2015_m3":{"avg_price":"1498.87","datapoints":"65","month":"Mar"},"2015_m4":{"avg_price":"1859.45","datapoints":"40","month":"Apr"},"2015_m5":{"avg_price":"1752.46","datapoints":"33","month":"May"},"2015_m6":{"avg_price":"1893.07","datapoints":"29","month":"Jun"},"2015_m7":{"avg_price":"1806.97","datapoints":"22","month":"Jul"},"2015_m8":{"avg_price":"1810.41","datapoints":"30","month":"Aug"},"2015_m9":{"avg_price":"1835.48","datapoints":"38","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_4bed_property_rent_monthly","num_beds":"4","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"552222.93","datapoints":"110","month":"Jan"},"2015_m10":{"avg_price":"480854.51","datapoints":"128","month":"Oct"},"2015_m11":{"avg_price":"469079.66","datapoints":"171","month":"Nov"},"2015_m12":{"avg_price":"473696.16","datapoints":"203","month":"Dec"},"2015_m2":{"avg_price":"564214.25","datapoints":"88","month":"Feb"},"2015_m3":{"avg_price":"555982.67","datapoints":"131","month":"Mar"},"2015_m4":{"avg_price":"562346.02","datapoints":"139","month":"Apr"},"2015_m5":{"avg_price":"563554.90","datapoints":"155","month":"May"},"2015_m6":{"avg_price":"553190.74","datapoints":"186","month":"Jun"},"2015_m7":{"avg_price":"532356.14","datapoints":"208","month":"Jul"},"2015_m8":{"avg_price":"493061.40","datapoints":"282","month":"Aug"},"2015_m9":{"avg_price":"471531.57","datapoints":"195","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_4bed_property_buy_monthly","num_beds":"4","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"1398.81","datapoints":"537","month":"Jan"},"2015_m10":{"avg_price":"1366.00","datapoints":"594","month":"Oct"},"2015_m11":{"avg_price":"1405.67","datapoints":"506","month":"Nov"},"2015_m12":{"avg_price":"1370.17","datapoints":"566","month":"Dec"},"2015_m2":{"avg_price":"1345.83","datapoints":"486","month":"Feb"},"2015_m3":{"avg_price":"1305.87","datapoints":"684","month":"Mar"},"2015_m4":{"avg_price":"1274.78","datapoints":"656","month":"Apr"},"2015_m5":{"avg_price":"1288.95","datapoints":"646","month":"May"},"2015_m6":{"avg_price":"1267.18","datapoints":"793","month":"Jun"},"2015_m7":{"avg_price":"1256.44","datapoints":"683","month":"Jul"},"2015_m8":{"avg_price":"1281.14","datapoints":"888","month":"Aug"},"2015_m9":{"avg_price":"1314.85","datapoints":"706","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_4room_property_rent_monthly","num_beds":"all","num_rooms":"4","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-4"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"357800.84","datapoints":"569","month":"Jan"},"2015_m10":{"avg_price":"343905.90","datapoints":"596","month":"Oct"},"2015_m11":{"avg_price":"352242.17","datapoints":"526","month":"Nov"},"2015_m12":{"avg_price":"367724.27","datapoints":"586","month":"Dec"},"2015_m2":{"avg_price":"365600.10","datapoints":"542","month":"Feb"},"2015_m3":{"avg_price":"367605.13","datapoints":"661","month":"Mar"},"2015_m4":{"avg_price":"373538.56","datapoints":"491","month":"Apr"},"2015_m5":{"avg_price":"363692.64","datapoints":"474","month":"May"},"2015_m6":{"avg_price":"361080.91","datapoints":"739","month":"Jun"},"2015_m7":{"avg_price":"366438.17","datapoints":"615","month":"Jul"},"2015_m8":{"avg_price":"355814.91","datapoints":"791","month":"Aug"},"2015_m9":{"avg_price":"350825.89","datapoints":"663","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_4room_property_buy_monthly","num_beds":"all","num_rooms":"4","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-4"},{"currency":"EUR","data":{"2014_m10":{"avg_price":"2127.10","datapoints":"13","month":"Oct"},"2014_m11":{"avg_price":"2104.77","datapoints":"21","month":"Nov"},"2014_m12":{"avg_price":"1931.95","datapoints":"21","month":"Dec"},"2015_m1":{"avg_price":"1770.11","datapoints":"21","month":"Jan"},"2015_m10":{"avg_price":"1825.10","datapoints":"8","month":"Oct"},"2015_m2":{"avg_price":"1921.83","datapoints":"12","month":"Feb"},"2015_m3":{"avg_price":"1948.23","datapoints":"19","month":"Mar"},"2015_m4":{"avg_price":"1831.56","datapoints":"16","month":"Apr"},"2015_m5":{"avg_price":"1670.97","datapoints":"6","month":"May"},"2015_m7":{"avg_price":"1800.22","datapoints":"5","month":"Jul"},"2015_m8":{"avg_price":"1722.59","datapoints":"13","month":"Aug"},"2015_m9":{"avg_price":"1650.54","datapoints":"7","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_5bed_property_rent_monthly","num_beds":"5","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"529977.90","datapoints":"72","month":"Jan"},"2015_m10":{"avg_price":"555883.38","datapoints":"27","month":"Oct"},"2015_m11":{"avg_price":"505523.49","datapoints":"28","month":"Nov"},"2015_m12":{"avg_price":"520234.70","datapoints":"73","month":"Dec"},"2015_m2":{"avg_price":"549306.04","datapoints":"61","month":"Feb"},"2015_m3":{"avg_price":"588689.46","datapoints":"74","month":"Mar"},"2015_m4":{"avg_price":"603447.50","datapoints":"70","month":"Apr"},"2015_m5":{"avg_price":"676423.01","datapoints":"56","month":"May"},"2015_m6":{"avg_price":"680092.21","datapoints":"80","month":"Jun"},"2015_m7":{"avg_price":"659657.46","datapoints":"77","month":"Jul"},"2015_m8":{"avg_price":"607377.72","datapoints":"126","month":"Aug"},"2015_m9":{"avg_price":"526772.77","datapoints":"71","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_5bed_property_buy_monthly","num_beds":"5","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"1755.84","datapoints":"175","month":"Jan"},"2015_m10":{"avg_price":"1630.61","datapoints":"174","month":"Oct"},"2015_m11":{"avg_price":"1662.49","datapoints":"141","month":"Nov"},"2015_m12":{"avg_price":"1697.97","datapoints":"119","month":"Dec"},"2015_m2":{"avg_price":"1748.73","datapoints":"143","month":"Feb"},"2015_m3":{"avg_price":"1675.25","datapoints":"213","month":"Mar"},"2015_m4":{"avg_price":"1728.85","datapoints":"200","month":"Apr"},"2015_m5":{"avg_price":"1717.62","datapoints":"198","month":"May"},"2015_m6":{"avg_price":"1692.85","datapoints":"244","month":"Jun"},"2015_m7":{"avg_price":"1653.44","datapoints":"189","month":"Jul"},"2015_m8":{"avg_price":"1672.84","datapoints":"186","month":"Aug"},"2015_m9":{"avg_price":"1618.02","datapoints":"182","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_5room_property_rent_monthly","num_beds":"all","num_rooms":"5","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-5"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"508685.01","datapoints":"349","month":"Jan"},"2015_m10":{"avg_price":"486184.55","datapoints":"380","month":"Oct"},"2015_m11":{"avg_price":"503017.14","datapoints":"343","month":"Nov"},"2015_m12":{"avg_price":"519757.10","datapoints":"295","month":"Dec"},"2015_m2":{"avg_price":"495598.00","datapoints":"320","month":"Feb"},"2015_m3":{"avg_price":"518070.38","datapoints":"345","month":"Mar"},"2015_m4":{"avg_price":"501735.09","datapoints":"248","month":"Apr"},"2015_m5":{"avg_price":"514807.16","datapoints":"248","month":"May"},"2015_m6":{"avg_price":"524661.47","datapoints":"389","month":"Jun"},"2015_m7":{"avg_price":"515369.18","datapoints":"368","month":"Jul"},"2015_m8":{"avg_price":"501087.43","datapoints":"460","month":"Aug"},"2015_m9":{"avg_price":"490817.83","datapoints":"381","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_5room_property_buy_monthly","num_beds":"all","num_rooms":"5","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-5"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"826.84","datapoints":"5068","month":"Jan"},"2015_m10":{"avg_price":"871.36","datapoints":"4603","month":"Oct"},"2015_m11":{"avg_price":"868.29","datapoints":"3917","month":"Nov"},"2015_m12":{"avg_price":"883.89","datapoints":"3419","month":"Dec"},"2015_m2":{"avg_price":"800.90","datapoints":"4479","month":"Feb"},"2015_m3":{"avg_price":"796.99","datapoints":"5759","month":"Mar"},"2015_m4":{"avg_price":"791.02","datapoints":"5728","month":"Apr"},"2015_m5":{"avg_price":"774.63","datapoints":"5847","month":"May"},"2015_m6":{"avg_price":"798.85","datapoints":"7121","month":"Jun"},"2015_m7":{"avg_price":"799.69","datapoints":"5529","month":"Jul"},"2015_m8":{"avg_price":"816.20","datapoints":"6812","month":"Aug"},"2015_m9":{"avg_price":"849.90","datapoints":"5640","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_property_rent_monthly","num_beds":"all","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"249135.68","datapoints":"3502","month":"Jan"},"2015_m10":{"avg_price":"251654.75","datapoints":"3961","month":"Oct"},"2015_m11":{"avg_price":"245040.27","datapoints":"3531","month":"Nov"},"2015_m12":{"avg_price":"252949.45","datapoints":"3584","month":"Dec"},"2015_m2":{"avg_price":"256610.49","datapoints":"3220","month":"Feb"},"2015_m3":{"avg_price":"270869.91","datapoints":"3959","month":"Mar"},"2015_m4":{"avg_price":"270671.07","datapoints":"3211","month":"Apr"},"2015_m5":{"avg_price":"278512.01","datapoints":"3324","month":"May"},"2015_m6":{"avg_price":"268375.56","datapoints":"4743","month":"Jun"},"2015_m7":{"avg_price":"264733.97","datapoints":"4513","month":"Jul"},"2015_m8":{"avg_price":"257277.19","datapoints":"5697","month":"Aug"},"2015_m9":{"avg_price":"248312.65","datapoints":"4605","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_property_buy_monthly","num_beds":"all","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"12.99","datapoints":"448","month":"Jan"},"2015_m10":{"avg_price":"12.57","datapoints":"114","month":"Oct"},"2015_m11":{"avg_price":"13.11","datapoints":"141","month":"Nov"},"2015_m12":{"avg_price":"13.09","datapoints":"98","month":"Dec"},"2015_m2":{"avg_price":"13.44","datapoints":"185","month":"Feb"},"2015_m3":{"avg_price":"13.01","datapoints":"237","month":"Mar"},"2015_m4":{"avg_price":"12.19","datapoints":"256","month":"Apr"},"2015_m5":{"avg_price":"12.07","datapoints":"271","month":"May"},"2015_m6":{"avg_price":"12.52","datapoints":"194","month":"Jun"},"2015_m7":{"avg_price":"12.32","datapoints":"139","month":"Jul"},"2015_m8":{"avg_price":"12.05","datapoints":"166","month":"Aug"},"2015_m9":{"avg_price":"12.51","datapoints":"119","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_1bed_property_rent_monthly_per_sqm","num_beds":"1","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"2424.66","datapoints":"275","month":"Jan"},"2015_m10":{"avg_price":"2602.25","datapoints":"134","month":"Oct"},"2015_m11":{"avg_price":"2612.12","datapoints":"166","month":"Nov"},"2015_m12":{"avg_price":"2588.97","datapoints":"146","month":"Dec"},"2015_m2":{"avg_price":"2491.79","datapoints":"149","month":"Feb"},"2015_m3":{"avg_price":"2487.14","datapoints":"181","month":"Mar"},"2015_m4":{"avg_price":"2508.68","datapoints":"159","month":"Apr"},"2015_m5":{"avg_price":"2536.34","datapoints":"130","month":"May"},"2015_m6":{"avg_price":"2618.91","datapoints":"137","month":"Jun"},"2015_m7":{"avg_price":"2498.14","datapoints":"104","month":"Jul"},"2015_m8":{"avg_price":"2499.24","datapoints":"186","month":"Aug"},"2015_m9":{"avg_price":"2535.06","datapoints":"138","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_1bed_property_buy_monthly_per_sqm","num_beds":"1","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"14.77","datapoints":"856","month":"Jan"},"2015_m10":{"avg_price":"15.55","datapoints":"523","month":"Oct"},"2015_m11":{"avg_price":"15.12","datapoints":"501","month":"Nov"},"2015_m12":{"avg_price":"14.21","datapoints":"297","month":"Dec"},"2015_m2":{"avg_price":"14.77","datapoints":"548","month":"Feb"},"2015_m3":{"avg_price":"15.07","datapoints":"635","month":"Mar"},"2015_m4":{"avg_price":"14.65","datapoints":"679","month":"Apr"},"2015_m5":{"avg_price":"14.49","datapoints":"648","month":"May"},"2015_m6":{"avg_price":"15.03","datapoints":"838","month":"Jun"},"2015_m7":{"avg_price":"15.57","datapoints":"723","month":"Jul"},"2015_m8":{"avg_price":"14.94","datapoints":"772","month":"Aug"},"2015_m9":{"avg_price":"15.52","datapoints":"594","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_1room_property_rent_monthly_per_sqm","num_beds":"all","num_rooms":"1","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-1"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"2400.39","datapoints":"218","month":"Jan"},"2015_m10":{"avg_price":"2494.81","datapoints":"183","month":"Oct"},"2015_m11":{"avg_price":"2410.65","datapoints":"178","month":"Nov"},"2015_m12":{"avg_price":"2400.31","datapoints":"159","month":"Dec"},"2015_m2":{"avg_price":"2343.17","datapoints":"167","month":"Feb"},"2015_m3":{"avg_price":"2229.13","datapoints":"194","month":"Mar"},"2015_m4":{"avg_price":"2293.92","datapoints":"198","month":"Apr"},"2015_m5":{"avg_price":"2437.94","datapoints":"227","month":"May"},"2015_m6":{"avg_price":"2455.45","datapoints":"305","month":"Jun"},"2015_m7":{"avg_price":"2410.21","datapoints":"254","month":"Jul"},"2015_m8":{"avg_price":"2458.54","datapoints":"299","month":"Aug"},"2015_m9":{"avg_price":"2448.97","datapoints":"213","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_1room_property_buy_monthly_per_sqm","num_beds":"all","num_rooms":"1","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-1"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"11.85","datapoints":"371","month":"Jan"},"2015_m10":{"avg_price":"11.94","datapoints":"123","month":"Oct"},"2015_m11":{"avg_price":"11.69","datapoints":"128","month":"Nov"},"2015_m12":{"avg_price":"12.14","datapoints":"136","month":"Dec"},"2015_m2":{"avg_price":"12.04","datapoints":"195","month":"Feb"},"2015_m3":{"avg_price":"11.71","datapoints":"262","month":"Mar"},"2015_m4":{"avg_price":"11.93","datapoints":"212","month":"Apr"},"2015_m5":{"avg_price":"11.94","datapoints":"187","month":"May"},"2015_m6":{"avg_price":"11.71","datapoints":"159","month":"Jun"},"2015_m7":{"avg_price":"11.71","datapoints":"126","month":"Jul"},"2015_m8":{"avg_price":"11.66","datapoints":"176","month":"Aug"},"2015_m9":{"avg_price":"12.19","datapoints":"108","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_2bed_property_rent_monthly_per_sqm","num_beds":"2","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"2654.08","datapoints":"246","month":"Jan"},"2015_m10":{"avg_price":"2695.25","datapoints":"152","month":"Oct"},"2015_m11":{"avg_price":"2646.95","datapoints":"196","month":"Nov"},"2015_m12":{"avg_price":"2473.94","datapoints":"194","month":"Dec"},"2015_m2":{"avg_price":"2760.19","datapoints":"162","month":"Feb"},"2015_m3":{"avg_price":"2640.45","datapoints":"175","month":"Mar"},"2015_m4":{"avg_price":"2741.20","datapoints":"162","month":"Apr"},"2015_m5":{"avg_price":"2864.38","datapoints":"149","month":"May"},"2015_m6":{"avg_price":"2801.10","datapoints":"103","month":"Jun"},"2015_m7":{"avg_price":"2713.58","datapoints":"177","month":"Jul"},"2015_m8":{"avg_price":"2722.15","datapoints":"248","month":"Aug"},"2015_m9":{"avg_price":"2577.24","datapoints":"181","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_2bed_property_buy_monthly_per_sqm","num_beds":"2","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"12.08","datapoints":"1602","month":"Jan"},"2015_m10":{"avg_price":"12.57","datapoints":"1322","month":"Oct"},"2015_m11":{"avg_price":"12.67","datapoints":"1128","month":"Nov"},"2015_m12":{"avg_price":"12.31","datapoints":"848","month":"Dec"},"2015_m2":{"avg_price":"11.89","datapoints":"1152","month":"Feb"},"2015_m3":{"avg_price":"11.68","datapoints":"1347","month":"Mar"},"2015_m4":{"avg_price":"11.97","datapoints":"1350","month":"Apr"},"2015_m5":{"avg_price":"11.91","datapoints":"1378","month":"May"},"2015_m6":{"avg_price":"12.25","datapoints":"1791","month":"Jun"},"2015_m7":{"avg_price":"11.77","datapoints":"1309","month":"Jul"},"2015_m8":{"avg_price":"11.88","datapoints":"1683","month":"Aug"},"2015_m9":{"avg_price":"12.32","datapoints":"1418","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_2room_property_rent_monthly_per_sqm","num_beds":"all","num_rooms":"2","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-2"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"2519.91","datapoints":"645","month":"Jan"},"2015_m10":{"avg_price":"2658.72","datapoints":"609","month":"Oct"},"2015_m11":{"avg_price":"2564.07","datapoints":"537","month":"Nov"},"2015_m12":{"avg_price":"2672.08","datapoints":"448","month":"Dec"},"2015_m2":{"avg_price":"2540.80","datapoints":"499","month":"Feb"},"2015_m3":{"avg_price":"2581.79","datapoints":"561","month":"Mar"},"2015_m4":{"avg_price":"2633.94","datapoints":"393","month":"Apr"},"2015_m5":{"avg_price":"2664.18","datapoints":"371","month":"May"},"2015_m6":{"avg_price":"2674.77","datapoints":"684","month":"Jun"},"2015_m7":{"avg_price":"2689.88","datapoints":"595","month":"Jul"},"2015_m8":{"avg_price":"2615.86","datapoints":"717","month":"Aug"},"2015_m9":{"avg_price":"2614.19","datapoints":"642","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_2room_property_buy_monthly_per_sqm","num_beds":"all","num_rooms":"2","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-2"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"11.33","datapoints":"107","month":"Jan"},"2015_m10":{"avg_price":"11.83","datapoints":"70","month":"Oct"},"2015_m11":{"avg_price":"11.44","datapoints":"77","month":"Nov"},"2015_m12":{"avg_price":"11.56","datapoints":"76","month":"Dec"},"2015_m2":{"avg_price":"11.62","datapoints":"73","month":"Feb"},"2015_m3":{"avg_price":"11.86","datapoints":"80","month":"Mar"},"2015_m4":{"avg_price":"11.75","datapoints":"73","month":"Apr"},"2015_m5":{"avg_price":"11.87","datapoints":"88","month":"May"},"2015_m6":{"avg_price":"11.69","datapoints":"92","month":"Jun"},"2015_m7":{"avg_price":"11.42","datapoints":"79","month":"Jul"},"2015_m8":{"avg_price":"11.26","datapoints":"89","month":"Aug"},"2015_m9":{"avg_price":"11.52","datapoints":"55","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_3bed_property_rent_monthly_per_sqm","num_beds":"3","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"3067.58","datapoints":"157","month":"Jan"},"2015_m10":{"avg_price":"3337.18","datapoints":"93","month":"Oct"},"2015_m11":{"avg_price":"3322.91","datapoints":"114","month":"Nov"},"2015_m12":{"avg_price":"3162.99","datapoints":"154","month":"Dec"},"2015_m2":{"avg_price":"2969.35","datapoints":"82","month":"Feb"},"2015_m3":{"avg_price":"2954.49","datapoints":"108","month":"Mar"},"2015_m4":{"avg_price":"3048.79","datapoints":"114","month":"Apr"},"2015_m5":{"avg_price":"3134.16","datapoints":"119","month":"May"},"2015_m6":{"avg_price":"3201.39","datapoints":"121","month":"Jun"},"2015_m7":{"avg_price":"3241.20","datapoints":"184","month":"Jul"},"2015_m8":{"avg_price":"3257.61","datapoints":"280","month":"Aug"},"2015_m9":{"avg_price":"3282.67","datapoints":"164","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_3bed_property_buy_monthly_per_sqm","num_beds":"3","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"11.29","datapoints":"1565","month":"Jan"},"2015_m10":{"avg_price":"11.68","datapoints":"1300","month":"Oct"},"2015_m11":{"avg_price":"11.71","datapoints":"1138","month":"Nov"},"2015_m12":{"avg_price":"11.67","datapoints":"1007","month":"Dec"},"2015_m2":{"avg_price":"11.33","datapoints":"1224","month":"Feb"},"2015_m3":{"avg_price":"11.49","datapoints":"1508","month":"Mar"},"2015_m4":{"avg_price":"11.53","datapoints":"1380","month":"Apr"},"2015_m5":{"avg_price":"11.66","datapoints":"1446","month":"May"},"2015_m6":{"avg_price":"11.59","datapoints":"1791","month":"Jun"},"2015_m7":{"avg_price":"11.47","datapoints":"1406","month":"Jul"},"2015_m8":{"avg_price":"11.44","datapoints":"1739","month":"Aug"},"2015_m9":{"avg_price":"11.62","datapoints":"1518","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_3room_property_rent_monthly_per_sqm","num_beds":"all","num_rooms":"3","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-3"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"2647.46","datapoints":"852","month":"Jan"},"2015_m10":{"avg_price":"2714.60","datapoints":"932","month":"Oct"},"2015_m11":{"avg_price":"2678.26","datapoints":"771","month":"Nov"},"2015_m12":{"avg_price":"2794.19","datapoints":"683","month":"Dec"},"2015_m2":{"avg_price":"2645.06","datapoints":"655","month":"Feb"},"2015_m3":{"avg_price":"2667.86","datapoints":"758","month":"Mar"},"2015_m4":{"avg_price":"2711.41","datapoints":"614","month":"Apr"},"2015_m5":{"avg_price":"2702.02","datapoints":"600","month":"May"},"2015_m6":{"avg_price":"2699.53","datapoints":"873","month":"Jun"},"2015_m7":{"avg_price":"2768.67","datapoints":"772","month":"Jul"},"2015_m8":{"avg_price":"2694.32","datapoints":"985","month":"Aug"},"2015_m9":{"avg_price":"2800.97","datapoints":"896","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_3room_property_buy_monthly_per_sqm","num_beds":"all","num_rooms":"3","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-3"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"8.99","datapoints":"74","month":"Jan"},"2015_m10":{"avg_price":"14.20","datapoints":"27","month":"Oct"},"2015_m11":{"avg_price":"13.39","datapoints":"23","month":"Nov"},"2015_m12":{"avg_price":"12.57","datapoints":"21","month":"Dec"},"2015_m2":{"avg_price":"9.23","datapoints":"49","month":"Feb"},"2015_m3":{"avg_price":"9.77","datapoints":"48","month":"Mar"},"2015_m4":{"avg_price":"11.82","datapoints":"32","month":"Apr"},"2015_m5":{"avg_price":"12.47","datapoints":"27","month":"May"},"2015_m6":{"avg_price":"11.69","datapoints":"23","month":"Jun"},"2015_m7":{"avg_price":"12.00","datapoints":"15","month":"Jul"},"2015_m8":{"avg_price":"12.57","datapoints":"21","month":"Aug"},"2015_m9":{"avg_price":"13.58","datapoints":"23","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_4bed_property_rent_monthly_per_sqm","num_beds":"4","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"3060.76","datapoints":"110","month":"Jan"},"2015_m10":{"avg_price":"2750.94","datapoints":"89","month":"Oct"},"2015_m11":{"avg_price":"2768.11","datapoints":"129","month":"Nov"},"2015_m12":{"avg_price":"2752.58","datapoints":"165","month":"Dec"},"2015_m2":{"avg_price":"3263.51","datapoints":"73","month":"Feb"},"2015_m3":{"avg_price":"3293.22","datapoints":"95","month":"Mar"},"2015_m4":{"avg_price":"3375.98","datapoints":"88","month":"Apr"},"2015_m5":{"avg_price":"3207.94","datapoints":"98","month":"May"},"2015_m6":{"avg_price":"3210.44","datapoints":"131","month":"Jun"},"2015_m7":{"avg_price":"3023.79","datapoints":"170","month":"Jul"},"2015_m8":{"avg_price":"2917.67","datapoints":"226","month":"Aug"},"2015_m9":{"avg_price":"2956.00","datapoints":"142","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_4bed_property_buy_monthly_per_sqm","num_beds":"4","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"11.85","datapoints":"520","month":"Jan"},"2015_m10":{"avg_price":"12.09","datapoints":"514","month":"Oct"},"2015_m11":{"avg_price":"12.11","datapoints":"436","month":"Nov"},"2015_m12":{"avg_price":"12.15","datapoints":"431","month":"Dec"},"2015_m2":{"avg_price":"11.80","datapoints":"385","month":"Feb"},"2015_m3":{"avg_price":"11.46","datapoints":"551","month":"Mar"},"2015_m4":{"avg_price":"11.56","datapoints":"500","month":"Apr"},"2015_m5":{"avg_price":"11.72","datapoints":"495","month":"May"},"2015_m6":{"avg_price":"11.81","datapoints":"643","month":"Jun"},"2015_m7":{"avg_price":"11.52","datapoints":"557","month":"Jul"},"2015_m8":{"avg_price":"11.59","datapoints":"744","month":"Aug"},"2015_m9":{"avg_price":"11.53","datapoints":"590","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_4room_property_rent_monthly_per_sqm","num_beds":"all","num_rooms":"4","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-4"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"3018.25","datapoints":"566","month":"Jan"},"2015_m10":{"avg_price":"2985.37","datapoints":"532","month":"Oct"},"2015_m11":{"avg_price":"2990.95","datapoints":"443","month":"Nov"},"2015_m12":{"avg_price":"3120.55","datapoints":"484","month":"Dec"},"2015_m2":{"avg_price":"3115.55","datapoints":"477","month":"Feb"},"2015_m3":{"avg_price":"3092.09","datapoints":"573","month":"Mar"},"2015_m4":{"avg_price":"3059.35","datapoints":"410","month":"Apr"},"2015_m5":{"avg_price":"2947.07","datapoints":"395","month":"May"},"2015_m6":{"avg_price":"3054.70","datapoints":"605","month":"Jun"},"2015_m7":{"avg_price":"3129.46","datapoints":"524","month":"Jul"},"2015_m8":{"avg_price":"3003.85","datapoints":"645","month":"Aug"},"2015_m9":{"avg_price":"3095.56","datapoints":"542","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_4room_property_buy_monthly_per_sqm","num_beds":"all","num_rooms":"4","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-4"},{"currency":"EUR","data":{"2014_m10":{"avg_price":"11.77","datapoints":"13","month":"Oct"},"2014_m11":{"avg_price":"11.31","datapoints":"21","month":"Nov"},"2014_m12":{"avg_price":"11.58","datapoints":"21","month":"Dec"},"2014_m8":{"avg_price":"10.87","datapoints":"9","month":"Aug"},"2014_m9":{"avg_price":"9.52","datapoints":"17","month":"Sep"},"2015_m1":{"avg_price":"11.50","datapoints":"19","month":"Jan"},"2015_m10":{"avg_price":"12.12","datapoints":"7","month":"Oct"},"2015_m2":{"avg_price":"11.81","datapoints":"11","month":"Feb"},"2015_m3":{"avg_price":"12.15","datapoints":"12","month":"Mar"},"2015_m4":{"avg_price":"12.60","datapoints":"5","month":"Apr"},"2015_m7":{"avg_price":"11.91","datapoints":"5","month":"Jul"},"2015_m8":{"avg_price":"11.11","datapoints":"9","month":"Aug"}},"listing_type":"rent","metadata_name":"avg_5bed_property_rent_monthly_per_sqm","num_beds":"5","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"2911.03","datapoints":"68","month":"Jan"},"2015_m10":{"avg_price":"2592.70","datapoints":"25","month":"Oct"},"2015_m11":{"avg_price":"2704.04","datapoints":"28","month":"Nov"},"2015_m12":{"avg_price":"2729.04","datapoints":"71","month":"Dec"},"2015_m2":{"avg_price":"2813.87","datapoints":"37","month":"Feb"},"2015_m3":{"avg_price":"2587.44","datapoints":"40","month":"Mar"},"2015_m4":{"avg_price":"2416.41","datapoints":"44","month":"Apr"},"2015_m5":{"avg_price":"2425.69","datapoints":"32","month":"May"},"2015_m6":{"avg_price":"2528.94","datapoints":"39","month":"Jun"},"2015_m7":{"avg_price":"2531.92","datapoints":"55","month":"Jul"},"2015_m8":{"avg_price":"2438.71","datapoints":"106","month":"Aug"},"2015_m9":{"avg_price":"2495.81","datapoints":"62","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_5bed_property_buy_monthly_per_sqm","num_beds":"5","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"12.36","datapoints":"172","month":"Jan"},"2015_m10":{"avg_price":"12.24","datapoints":"151","month":"Oct"},"2015_m11":{"avg_price":"12.29","datapoints":"121","month":"Nov"},"2015_m12":{"avg_price":"12.24","datapoints":"87","month":"Dec"},"2015_m2":{"avg_price":"12.49","datapoints":"127","month":"Feb"},"2015_m3":{"avg_price":"11.93","datapoints":"180","month":"Mar"},"2015_m4":{"avg_price":"12.37","datapoints":"162","month":"Apr"},"2015_m5":{"avg_price":"12.30","datapoints":"170","month":"May"},"2015_m6":{"avg_price":"11.87","datapoints":"210","month":"Jun"},"2015_m7":{"avg_price":"11.89","datapoints":"152","month":"Jul"},"2015_m8":{"avg_price":"12.03","datapoints":"164","month":"Aug"},"2015_m9":{"avg_price":"11.76","datapoints":"151","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_5room_property_rent_monthly_per_sqm","num_beds":"all","num_rooms":"5","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln/zimmer_max-5"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"3201.01","datapoints":"349","month":"Jan"},"2015_m10":{"avg_price":"3327.58","datapoints":"324","month":"Oct"},"2015_m11":{"avg_price":"3363.33","datapoints":"281","month":"Nov"},"2015_m12":{"avg_price":"3649.22","datapoints":"233","month":"Dec"},"2015_m2":{"avg_price":"3159.49","datapoints":"284","month":"Feb"},"2015_m3":{"avg_price":"3237.11","datapoints":"296","month":"Mar"},"2015_m4":{"avg_price":"3225.22","datapoints":"188","month":"Apr"},"2015_m5":{"avg_price":"3224.75","datapoints":"210","month":"May"},"2015_m6":{"avg_price":"3200.76","datapoints":"343","month":"Jun"},"2015_m7":{"avg_price":"3092.06","datapoints":"324","month":"Jul"},"2015_m8":{"avg_price":"3190.86","datapoints":"372","month":"Aug"},"2015_m9":{"avg_price":"3252.90","datapoints":"326","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_5room_property_buy_monthly_per_sqm","num_beds":"all","num_rooms":"5","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln/zimmer_max-5"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"11.85","datapoints":"4951","month":"Jan"},"2015_m10":{"avg_price":"12.26","datapoints":"4025","month":"Oct"},"2015_m11":{"avg_price":"12.38","datapoints":"3432","month":"Nov"},"2015_m12":{"avg_price":"12.11","datapoints":"2774","month":"Dec"},"2015_m2":{"avg_price":"11.57","datapoints":"3634","month":"Feb"},"2015_m3":{"avg_price":"11.70","datapoints":"4509","month":"Mar"},"2015_m4":{"avg_price":"11.76","datapoints":"4139","month":"Apr"},"2015_m5":{"avg_price":"11.94","datapoints":"4211","month":"May"},"2015_m6":{"avg_price":"11.79","datapoints":"5553","month":"Jun"},"2015_m7":{"avg_price":"11.73","datapoints":"4313","month":"Jul"},"2015_m8":{"avg_price":"11.90","datapoints":"5321","month":"Aug"},"2015_m9":{"avg_price":"12.10","datapoints":"4511","month":"Sep"}},"listing_type":"rent","metadata_name":"avg_property_rent_monthly_per_sqm","num_beds":"all","num_rooms":"all","price_type":"monthly","property_type":"property","url":"http://www.nestoria.de/immobilien/mieten/koeln"},{"currency":"EUR","data":{"2015_m1":{"avg_price":"2569.32","datapoints":"3412","month":"Jan"},"2015_m10":{"avg_price":"2591.54","datapoints":"3395","month":"Oct"},"2015_m11":{"avg_price":"2505.64","datapoints":"2968","month":"Nov"},"2015_m12":{"avg_price":"2616.04","datapoints":"2817","month":"Dec"},"2015_m2":{"avg_price":"2617.82","datapoints":"2674","month":"Feb"},"2015_m3":{"avg_price":"2594.67","datapoints":"3082","month":"Mar"},"2015_m4":{"avg_price":"2552.46","datapoints":"2391","month":"Apr"},"2015_m5":{"avg_price":"2596.77","datapoints":"2454","month":"May"},"2015_m6":{"avg_price":"2573.74","datapoints":"3741","month":"Jun"},"2015_m7":{"avg_price":"2553.01","datapoints":"3721","month":"Jul"},"2015_m8":{"avg_price":"2525.52","datapoints":"4555","month":"Aug"},"2015_m9":{"avg_price":"2503.85","datapoints":"3689","month":"Sep"}},"listing_type":"buy","metadata_name":"avg_property_buy_monthly_per_sqm","num_beds":"all","num_rooms":"all","price_type":"fixed","property_type":"property","url":"http://www.nestoria.de/immobilien/kaufen/koeln"}],"most_recent_month":"2015_m12","most_recent_quarter":null,"sort":null,"status_code":"200","status_text":"OK","thanks":"For using the Nestoria API.","total_results":44,"we_are_hiring":"http://lokku.com/#jobs"}}
