{ "area": { "code": "39000", "name": "高知県", "slug": "kochi" }, "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": 32, "price_per_tsubo": 116.86461180722891, "prev_price_per_tsubo": 114.46523390369182, "change_vs_prev": 2.0961630197303975, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { 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221378.49679811258, "cost_per_unit": 2941.0298507462685, "floor_per_unit": 132.8507462686567, "yoy": 9.422980303032237, "ratio_national": 0.9242638812216468, "rank_in_national": 33, "is_spliced": false, "price_per_tsubo_real": 78.18705351818724, "deflator": 93.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 115, "floor_total": 14723, "cost_total": 324285, "price_per_tsubo": 72.81247776608029, "price_per_sqm": 220257.42036269783, "cost_per_unit": 2819.8695652173915, "floor_per_unit": 128.02608695652174, "yoy": -0.5064071044068474, "ratio_national": 0.8997037095158081, "rank_in_national": 38, "is_spliced": false, "price_per_tsubo_real": 77.95768497439003, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 135, "floor_total": 17175, "cost_total": 391997, "price_per_tsubo": 75.45035008034934, "price_per_sqm": 228236.97234352256, "cost_per_unit": 2903.6814814814816, "floor_per_unit": 127.22222222222223, "yoy": 3.622830035730362, 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"deflator": 124.3, "deflator_provisional": true } ] }