{ "area": { "code": "13000", "name": "東京都", "slug": "tokyo" }, "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": 521, "price_per_tsubo": 156.62826428195413, "prev_price_per_tsubo": 146.50797158919445, "change_vs_prev": 6.90767374838606, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { 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283571.1620507629, "cost_per_unit": 3876.5377619612495, "floor_per_unit": 136.70423092131279, "yoy": 4.8573420142362655, "ratio_national": 1.1839206907190691, "rank_in_national": 1, "is_spliced": false, "price_per_tsubo_real": 100.15242647390936, "deflator": 93.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 2492, "floor_total": 335550, "cost_total": 9896110, "price_per_tsubo": 97.49504239874832, "price_per_sqm": 294922.068246163, "cost_per_unit": 3971.1516853932585, "floor_per_unit": 134.65088282504013, "yoy": 4.002842218972935, "ratio_national": 1.2046925746347514, "rank_in_national": 1, "is_spliced": false, "price_per_tsubo_real": 104.38441370315665, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 2302, "floor_total": 311032, "cost_total": 9306038, "price_per_tsubo": 98.90881761368605, "price_per_sqm": 299198.73196327063, "cost_per_unit": 4042.588184187663, "floor_per_unit": 135.11381407471762, "yoy": 1.45009959496758, 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