{ "area": { "code": "11000", "name": "埼玉県", "slug": "saitama" }, "structure": { "id": "rc", "name": "鉄筋コンクリート造" }, "segment": { "segment": "owner", "building_type": "detached", "label": "持家・一戸建" }, "unit": { "price_per_tsubo": "万円/坪", "price_per_sqm": "円/㎡", "cost": "万円", "floor": "㎡", "yoy": "%" }, "formula": "price_per_tsubo = cost_total / floor_total * 3.30579", "formula_real": "price_per_tsubo_real = price_per_tsubo / deflator * 100 (MLIT construction cost deflator for housing of the same structure, FY2020 = 100)", "source": "https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00600120&tstat=000001016966&cycle=8", "last_verified_at": "2026-10-13T11:03:37.415Z", "provisional": null, "years": [ { "fiscal_year": 2012, "units": 51, "floor_total": 9244, "cost_total": 245118, "price_per_tsubo": 87.65779242968412, "price_per_sqm": 265164.43098225875, "cost_per_unit": 4806.235294117647, "floor_per_unit": 181.2549019607843, "yoy": null, "ratio_national": 1.1886069371035344, "rank_in_national": 6, "is_spliced": false, "price_per_tsubo_real": 100.4098424165912, "deflator": 87.3, "deflator_provisional": false }, { "fiscal_year": 2013, "units": 44, "floor_total": 8850, "cost_total": 244038, "price_per_tsubo": 91.15687909830508, "price_per_sqm": 275749.1525423729, "cost_per_unit": 5546.318181818182, "floor_per_unit": 201.13636363636363, "yoy": 3.9917576882030126, "ratio_national": 1.2084691262038016, "rank_in_national": 5, "is_spliced": false, "price_per_tsubo_real": 101.62416844850064, "deflator": 89.7, "deflator_provisional": false }, { "fiscal_year": 2014, "units": 36, "floor_total": 6030, "cost_total": 155512, "price_per_tsubo": 85.25539211940298, "price_per_sqm": 257897.1807628524, "cost_per_unit": 4319.777777777777, "floor_per_unit": 167.5, "yoy": -6.473989716714456, "ratio_national": 1.0657191008115157, "rank_in_national": 8, "is_spliced": false, "price_per_tsubo_real": 92.06845801231425, "deflator": 92.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 39, "floor_total": 6595, "cost_total": 173606, "price_per_tsubo": 87.02122497952995, "price_per_sqm": 263238.8172858226, "cost_per_unit": 4451.4358974358975, "floor_per_unit": 169.10256410256412, "yoy": 2.0712271871952126, "ratio_national": 1.036114004602154, "rank_in_national": 9, "is_spliced": false, "price_per_tsubo_real": 94.2808504653629, "deflator": 92.3, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 19, "floor_total": 4269, "cost_total": 99930, "price_per_tsubo": 77.38289873506676, "price_per_sqm": 234082.92340126494, "cost_per_unit": 5259.473684210527, "floor_per_unit": 224.68421052631578, "yoy": -11.075833794261591, "ratio_national": 0.9041776370456904, "rank_in_national": 12, "is_spliced": false, "price_per_tsubo_real": 83.7477259037519, "deflator": 92.4, "deflator_provisional": false }, { "fiscal_year": 2017, "units": 28, "floor_total": 5320, "cost_total": 164487, "price_per_tsubo": 102.2104285206767, "price_per_sqm": 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