{ "area": { "code": "39000", "name": "高知県", "slug": "kochi" }, "structure": { "id": "steel", "name": "鉄骨造" }, "segment": { "segment": "all", "building_type": "detached", "label": "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": 42, "price_per_tsubo": 114.93532064233578, "prev_price_per_tsubo": 112.19978777323202, "change_vs_prev": 2.438090947758795, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { "fiscal_year": 2012, "units": 203, "floor_total": 26660, "cost_total": 543731, "price_per_tsubo": 67.42162424943736, "price_per_sqm": 203950.11252813204, "cost_per_unit": 2678.477832512315, "floor_per_unit": 131.33004926108376, "yoy": null, "ratio_national": 0.9116875305452966, "rank_in_national": 37, "is_spliced": false, "price_per_tsubo_real": 76.79000483990588, "deflator": 87.8, "deflator_provisional": false }, { "fiscal_year": 2013, "units": 211, "floor_total": 27294, "cost_total": 545914, "price_per_tsubo": 66.1199180061552, "price_per_sqm": 200012.45695024548, "cost_per_unit": 2587.270142180095, "floor_per_unit": 129.35545023696682, "yoy": -1.9306954671787224, "ratio_national": 0.8748468178428266, "rank_in_national": 42, "is_spliced": false, "price_per_tsubo_real": 73.22250056052624, "deflator": 90.3, "deflator_provisional": false }, { "fiscal_year": 2014, "units": 156, "floor_total": 20237, "cost_total": 439624, "price_per_tsubo": 71.81423249295844, "price_per_sqm": 217237.7328655433, "cost_per_unit": 2818.102564102564, "floor_per_unit": 129.72435897435898, "yoy": 8.612101555046014, "ratio_national": 0.9153849129792506, "rank_in_national": 36, "is_spliced": false, "price_per_tsubo_real": 76.72460736427185, "deflator": 93.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 124, "floor_total": 15787, "cost_total": 344163, "price_per_tsubo": 72.06756215683791, "price_per_sqm": 218004.05396845506, "cost_per_unit": 2775.5080645161293, "floor_per_unit": 127.31451612903226, "yoy": 0.35275690498302037, "ratio_national": 0.8993327769319718, "rank_in_national": 39, "is_spliced": false, "price_per_tsubo_real": 77.16013078890568, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 146, "floor_total": 18406, "cost_total": 415897, "price_per_tsubo": 74.6967371308269, "price_per_sqm": 225957.296533739, "cost_per_unit": 2848.609589041096, "floor_per_unit": 126.06849315068493, "yoy": 3.64820856333008, "ratio_national": 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"deflator_provisional": false }, { "fiscal_year": 2019, "units": 122, "floor_total": 15001, "cost_total": 364076, "price_per_tsubo": 80.23190454236385, "price_per_sqm": 242701.15325644956, "cost_per_unit": 2984.2295081967213, "floor_per_unit": 122.95901639344262, "yoy": 0.10630909489368623, "ratio_national": 0.9036619864835904, "rank_in_national": 42, "is_spliced": false, "price_per_tsubo_real": 80.07176102032321, "deflator": 100.2, "deflator_provisional": false }, { "fiscal_year": 2020, "units": 108, "floor_total": 13789, "cost_total": 351852, "price_per_tsubo": 84.35338480527957, "price_per_sqm": 255168.61266226703, "cost_per_unit": 3257.8888888888887, "floor_per_unit": 127.67592592592592, "yoy": 5.136959276268338, "ratio_national": 0.9233406440172197, "rank_in_national": 35, "is_spliced": false, "price_per_tsubo_real": 84.35338480527957, "deflator": 100, "deflator_provisional": false }, { "fiscal_year": 2021, "units": 120, "floor_total": 14499, "cost_total": 397356, 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"deflator": 124.3, "deflator_provisional": true } ] }