{
  "area": {
    "code": "08000",
    "name": "茨城県",
    "slug": "ibaraki"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 3643,
    "price_per_tsubo": 80.25633015855789,
    "prev_price_per_tsubo": 79.7794977505209,
    "change_vs_prev": 0.5976879041380982,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 10481,
      "floor_total": 1264283,
      "cost_total": 21006599,
      "price_per_tsubo": 54.927104855645446,
      "price_per_sqm": 166154.247110813,
      "cost_per_unit": 2004.2552237381929,
      "floor_per_unit": 120.62618070794771,
      "yoy": null,
      "ratio_national": 0.9803290801424808,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 62.559344938092764,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 12211,
      "floor_total": 1464025,
      "cost_total": 24458839,
      "price_per_tsubo": 55.228418488625536,
      "price_per_sqm": 167065.71950615596,
      "cost_per_unit": 2003.0168700352142,
      "floor_per_unit": 119.89394807960036,
      "yoy": 0.5485700252579884,
      "ratio_national": 0.9788748301873537,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 61.0933832838778,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 10406,
      "floor_total": 1232409,
      "cost_total": 20822704,
      "price_per_tsubo": 55.85441736968814,
      "price_per_sqm": 168959.36332824573,
      "cost_per_unit": 2001.0286373246204,
      "floor_per_unit": 118.43253891985393,
      "yoy": 1.133472400973301,
      "ratio_national": 0.9698970093361962,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 59.80130339367038,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 11218,
      "floor_total": 1307335,
      "cost_total": 22280678,
      "price_per_tsubo": 56.33999129956744,
      "price_per_sqm": 170428.2222995636,
      "cost_per_unit": 1986.1542164378677,
      "floor_per_unit": 116.53904439293991,
      "yoy": 0.8693563602416354,
      "ratio_national": 0.9673801575659372,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 60.450634441595966,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 11290,
      "floor_total": 1314970,
      "cost_total": 22460067,
      "price_per_tsubo": 56.463846998737615,
      "price_per_sqm": 170802.88523692556,
      "cost_per_unit": 1989.3770593445527,
      "floor_per_unit": 116.47209920283437,
      "yoy": 0.21983620570975582,
      "ratio_national": 0.9667785911909185,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 60.38914117512044,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 11266,
      "floor_total": 1304753,
      "cost_total": 22576021,
      "price_per_tsubo": 57.19977992891375,
      "price_per_sqm": 173029.07906707245,
      "cost_per_unit": 2003.9074205574295,
      "floor_per_unit": 115.81333214983135,
      "yoy": 1.303370155052641,
      "ratio_national": 0.9710811936493533,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 60.08380244633798,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 11867,
      "floor_total": 1377501,
      "cost_total": 24183251,
      "price_per_tsubo": 58.036073529739724,
      "price_per_sqm": 175558.86347813904,
      "cost_per_unit": 2037.857166933513,
      "floor_per_unit": 116.07828431785624,
      "yoy": 1.462057374810355,
      "ratio_national": 0.9749336594692343,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 59.160115728582795,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 11435,
      "floor_total": 1311506,
      "cost_total": 23205457,
      "price_per_tsubo": 58.49181604661359,
      "price_per_sqm": 176937.48255821932,
      "cost_per_unit": 2029.3359860078706,
      "floor_per_unit": 114.69226060341059,
      "yoy": 0.7852745528009075,
      "ratio_national": 0.9738933011683537,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 58.37506591478402,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 10686,
      "floor_total": 1226013,
      "cost_total": 21973562,
      "price_per_tsubo": 59.24894884799753,
      "price_per_sqm": 179227.80590417882,
      "cost_per_unit": 2056.294403892944,
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      "ratio_national": 0.9795411815942917,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 59.24894884799753,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 12098,
      "floor_total": 1369528,
      "cost_total": 24447673,
      "price_per_tsubo": 59.0122092623663,
      "price_per_sqm": 178511.66971394524,
      "cost_per_unit": 2020.8028599768556,
      "floor_per_unit": 113.20284344519756,
      "yoy": -0.39956757079114835,
      "ratio_national": 0.9682218777456236,
      "rank_in_national": 39,
      "is_spliced": false,
      "price_per_tsubo_real": 54.28906095893864,
      "deflator": 108.7,
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    {
      "fiscal_year": 2022,
      "units": 10781,
      "floor_total": 1208068,
      "cost_total": 22514698,
      "price_per_tsubo": 61.60982949752828,
      "price_per_sqm": 186369.45933507054,
      "cost_per_unit": 2088.368240422966,
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      "is_spliced": false,
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      "deflator": 115.3,
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    {
      "fiscal_year": 2023,
      "units": 9444,
      "floor_total": 1041569,
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      "price_per_tsubo": 70.65251926043305,
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      "price_per_tsubo_real": 61.49044322056836,
      "deflator": 114.9,
      "deflator_provisional": true
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    {
      "fiscal_year": 2024,
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    {
      "fiscal_year": 2025,
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  ]
}