{
  "area": {
    "code": "08000",
    "name": "茨城県",
    "slug": "ibaraki"
  },
  "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": 311,
    "price_per_tsubo": 110.68184507118312,
    "prev_price_per_tsubo": 106.0536502845023,
    "change_vs_prev": 4.364012718341243,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1275,
      "floor_total": 164512,
      "cost_total": 3434337,
      "price_per_tsubo": 69.01136033377504,
      "price_per_sqm": 208759.0570900603,
      "cost_per_unit": 2693.5976470588234,
      "floor_per_unit": 129.02901960784314,
      "yoy": null,
      "ratio_national": 0.9331842325468162,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 78.60063819336565,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1411,
      "floor_total": 180804,
      "cost_total": 3851664,
      "price_per_tsubo": 70.42317832879803,
      "price_per_sqm": 213029.80022565872,
      "cost_per_unit": 2729.740609496811,
      "floor_per_unit": 128.13890857547838,
      "yoy": 2.0457762145170033,
      "ratio_national": 0.9317841782198149,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 77.98801586799338,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1154,
      "floor_total": 146634,
      "cost_total": 3210779,
      "price_per_tsubo": 72.38540250153443,
      "price_per_sqm": 218965.51959300027,
      "cost_per_unit": 2782.304159445407,
      "floor_per_unit": 127.06585788561524,
      "yoy": 2.786332879744502,
      "ratio_national": 0.9226653696581959,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 77.33483173240859,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1195,
      "floor_total": 148342,
      "cost_total": 3308226,
      "price_per_tsubo": 73.72356061358212,
      "price_per_sqm": 223013.4419112591,
      "cost_per_unit": 2768.389958158996,
      "floor_per_unit": 124.13556485355649,
      "yoy": 1.8486574168311565,
      "ratio_national": 0.9199980200195309,
      "rank_in_national": 35,
      "is_spliced": false,
      "price_per_tsubo_real": 78.93314840854616,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1242,
      "floor_total": 150754,
      "cost_total": 3455588,
      "price_per_tsubo": 75.77542389933268,
      "price_per_sqm": 229220.31919551056,
      "cost_per_unit": 2782.276972624799,
      "floor_per_unit": 121.38003220611917,
      "yoy": 2.7831852784556688,
      "ratio_national": 0.9265043916168085,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 81.13000417487439,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1217,
      "floor_total": 147858,
      "cost_total": 3454253,
      "price_per_tsubo": 77.2297408653573,
      "price_per_sqm": 233619.62152876408,
      "cost_per_unit": 2838.3344289235824,
      "floor_per_unit": 121.49383730484799,
      "yoy": 1.9192462294327362,
      "ratio_national": 0.9230445431757264,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 81.123677379577,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1199,
      "floor_total": 148278,
      "cost_total": 3492870,
      "price_per_tsubo": 77.8719345911059,
      "price_per_sqm": 235562.2546837697,
      "cost_per_unit": 2913.1526271893244,
      "floor_per_unit": 123.66805671392828,
      "yoy": 0.831536812829925,
      "ratio_national": 0.9078080550206633,
      "rank_in_national": 40,
      "is_spliced": false,
      "price_per_tsubo_real": 79.38015758522519,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1105,
      "floor_total": 132141,
      "cost_total": 3291749,
      "price_per_tsubo": 82.35014815015778,
      "price_per_sqm": 249108.830718702,
      "cost_per_unit": 2978.958371040724,
      "floor_per_unit": 119.58461538461539,
      "yoy": 5.750741371158075,
      "ratio_national": 0.9275200294578104,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 82.18577659696385,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1004,
      "floor_total": 120444,
      "cost_total": 3018557,
      "price_per_tsubo": 82.84942002117167,
      "price_per_sqm": 250619.12590083358,
      "cost_per_unit": 3006.5308764940237,
      "floor_per_unit": 119.96414342629483,
      "yoy": 0.6062792626717828,
      "ratio_national": 0.9068780940490945,
      "rank_in_national": 41,
      "is_spliced": false,
      "price_per_tsubo_real": 82.84942002117167,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1236,
      "floor_total": 149276,
      "cost_total": 3833352,
      "price_per_tsubo": 84.89145413917844,
      "price_per_sqm": 256796.26999651652,
      "cost_per_unit": 3101.4174757281553,
      "floor_per_unit": 120.77346278317152,
      "yoy": 2.4647536669356818,
      "ratio_national": 0.9009620016771931,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 78.385460885668,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1166,
      "floor_total": 139106,
      "cost_total": 3820297,
      "price_per_tsubo": 90.78759808800483,
      "price_per_sqm": 274632.0791338979,
      "cost_per_unit": 3276.412521440823,
      "floor_per_unit": 119.30188679245283,
      "yoy": 6.945509425671692,
      "ratio_national": 0.9064696215779376,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 77.99621828866393,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 898,
      "floor_total": 103142,
      "cost_total": 3068922,
      "price_per_tsubo": 98.36159526070854,
      "price_per_sqm": 297543.38678714784,
      "cost_per_unit": 3417.5077951002227,
      "floor_per_unit": 114.85746102449889,
      "yoy": 8.342546043967225,
      "ratio_national": 0.914252306239157,
      "rank_in_national": 40,
      "is_spliced": false,
      "price_per_tsubo_real": 84.06973953906713,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 810,
      "floor_total": 92001,
      "cost_total": 2795234,
      "price_per_tsubo": 100.4386539805002,
      "price_per_sqm": 303826.48014695494,
      "cost_per_unit": 3450.9061728395063,
      "floor_per_unit": 113.58148148148148,
      "yoy": 2.1116561949675594,
      "ratio_national": 0.8805802510673787,
      "rank_in_national": 43,
      "is_spliced": true,
      "price_per_tsubo_real": 82.73365237273492,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 803,
      "floor_total": 90909,
      "cost_total": 2945752,
      "price_per_tsubo": 107.11851966339967,
      "price_per_sqm": 324033.044033044,
      "cost_per_unit": 3668.4333748443337,
      "floor_per_unit": 113.21170610211706,
      "yoy": 6.650692157021876,
      "ratio_national": 0.8835069196540568,
      "rank_in_national": 46,
      "is_spliced": false,
      "price_per_tsubo_real": 86.17740922236497,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}