{ "area": { "code": "13000", "name": "東京都", "slug": "tokyo" }, "structure": { "id": "steel", "name": "鉄骨造" }, "segment": { "segment": "owner", "building_type": "rowhouse", "label": "持家・長屋建" }, "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": 40, "price_per_tsubo": 140.86451171779143, "prev_price_per_tsubo": 154.67195957142857, "change_vs_prev": -8.926923724180767, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { 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282766.9139132389, "cost_per_unit": 2403.87898089172, "floor_per_unit": 85.01273885350318, "yoy": 4.14762542261633, "ratio_national": 1.084752696942201, "rank_in_national": 1, "is_spliced": false, "price_per_tsubo_real": 99.86837995141519, "deflator": 93.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 35, "floor_total": 2871, "cost_total": 83244, "price_per_tsubo": 95.85063836990595, "price_per_sqm": 289947.75339602923, "cost_per_unit": 2378.4, "floor_per_unit": 82.02857142857142, "yoy": 2.539490700455005, "ratio_national": 1.1527743012605993, "rank_in_national": 2, "is_spliced": false, "price_per_tsubo_real": 102.62380981788645, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 106, "floor_total": 8113, "cost_total": 242479, "price_per_tsubo": 98.80249641439664, "price_per_sqm": 298877.1108098114, "cost_per_unit": 2287.5377358490564, "floor_per_unit": 76.5377358490566, "yoy": 3.0796435941291334, "ratio_national": 1.0947561096232954, 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