{ "area": { "code": "09000", "name": "栃木県", "slug": "tochigi" }, "structure": { "id": "steel", "name": "鉄骨造" }, "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": { "fiscal_year": 2026, "through_month": "2026-08", "months": 5, "units": 157, "price_per_tsubo": 106.4304310563021, "prev_price_per_tsubo": 102.8221064237442, "change_vs_prev": 3.5092887687862486, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { 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225463.1575281238, "cost_per_unit": 2960.4756097560976, "floor_per_unit": 131.3064024390244, "yoy": 4.475924808185394, "ratio_national": 0.9413174995016405, "rank_in_national": 25, "is_spliced": false, "price_per_tsubo_real": 79.6296849919761, "deflator": 93.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 684, "floor_total": 86975, "cost_total": 1996690, "price_per_tsubo": 75.89120822190284, "price_per_sqm": 229570.56625467088, "cost_per_unit": 2919.1374269005846, "floor_per_unit": 127.15643274853801, "yoy": 1.8217649267307623, "ratio_national": 0.9377458871299481, "rank_in_national": 26, "is_spliced": false, "price_per_tsubo_real": 81.25397025899662, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 648, "floor_total": 81206, "cost_total": 1881323, "price_per_tsubo": 76.58619757370145, "price_per_sqm": 231672.9059429106, "cost_per_unit": 2903.276234567901, "floor_per_unit": 125.3179012345679, "yoy": 0.915770572220298, 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