{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "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": null,
  "years": [
    {
      "fiscal_year": 2012,
      "units": 57,
      "floor_total": 9872,
      "cost_total": 258613,
      "price_per_tsubo": 86.60051349979742,
      "price_per_sqm": 261966.16693679092,
      "cost_per_unit": 4537.070175438596,
      "floor_per_unit": 173.19298245614036,
      "yoy": null,
      "ratio_national": 1.20775907387342,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 99.19875544077597,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 47,
      "floor_total": 9156,
      "cost_total": 248338,
      "price_per_tsubo": 89.66287429226738,
      "price_per_sqm": 271229.7946701616,
      "cost_per_unit": 5283.787234042553,
      "floor_per_unit": 194.80851063829786,
      "yoy": 3.5361924181628757,
      "ratio_national": 1.2138885663372931,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 99.9586112511342,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 42,
      "floor_total": 7525,
      "cost_total": 201432,
      "price_per_tsubo": 88.49061678139535,
      "price_per_sqm": 267683.72093023255,
      "cost_per_unit": 4796,
      "floor_per_unit": 179.16666666666666,
      "yoy": -1.3074056794687539,
      "ratio_national": 1.1418650343010386,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 95.5622211462153,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 44,
      "floor_total": 7089,
      "cost_total": 179480,
      "price_per_tsubo": 83.69631671603894,
      "price_per_sqm": 253180.98462406546,
      "cost_per_unit": 4079.090909090909,
      "floor_per_unit": 161.11363636363637,
      "yoy": -5.417862638702264,
      "ratio_national": 1.0380137514230154,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 90.67856632290243,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 23,
      "floor_total": 4815,
      "cost_total": 111767,
      "price_per_tsubo": 76.73483508411215,
      "price_per_sqm": 232122.53374870197,
      "cost_per_unit": 4859.434782608696,
      "floor_per_unit": 209.34782608695653,
      "yoy": -8.31754837616736,
      "ratio_national": 0.9512838873994444,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 83.04635831613868,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 30,
      "floor_total": 5735,
      "cost_total": 184787,
      "price_per_tsubo": 106.5156088456844,
      "price_per_sqm": 322209.2414995641,
      "cost_per_unit": 6159.566666666667,
      "floor_per_unit": 191.16666666666666,
      "yoy": 38.80997949487784,
      "ratio_national": 1.2716679986247792,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 112.59578102080803,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 19,
      "floor_total": 3422,
      "cost_total": 94056,
      "price_per_tsubo": 90.86188902396259,
      "price_per_sqm": 274856.80888369377,
      "cost_per_unit": 4950.315789473684,
      "floor_per_unit": 180.10526315789474,
      "yoy": -14.696174571372255,
      "ratio_national": 0.9607279215425072,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 92.71621328975775,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 29,
      "floor_total": 4519,
      "cost_total": 134052,
      "price_per_tsubo": 98.06323546802389,
      "price_per_sqm": 296640.84974551894,
      "cost_per_unit": 4622.482758620689,
      "floor_per_unit": 155.82758620689654,
      "yoy": 7.92559622237452,
      "ratio_national": 1.0238380332357768,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 97.86750046708971,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 27,
      "floor_total": 4777,
      "cost_total": 143904,
      "price_per_tsubo": 99.58476118065731,
      "price_per_sqm": 301243.4582373875,
      "cost_per_unit": 5329.777777777777,
      "floor_per_unit": 176.92592592592592,
      "yoy": 1.551576087992279,
      "ratio_national": 1.0471758674436549,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 99.58476118065731,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 20,
      "floor_total": 3948,
      "cost_total": 114519,
      "price_per_tsubo": 95.8905179863222,
      "price_per_sqm": 290068.38905775076,
      "cost_per_unit": 5725.95,
      "floor_per_unit": 197.4,
      "yoy": -3.7096470891097133,
      "ratio_national": 0.9617234416565854,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 91.15068249650399,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 24,
      "floor_total": 4225,
      "cost_total": 138781,
      "price_per_tsubo": 108.58718153609469,
      "price_per_sqm": 328475.7396449704,
      "cost_per_unit": 5782.541666666667,
      "floor_per_unit": 176.04166666666666,
      "yoy": 13.240791494716442,
      "ratio_national": 0.9917996676240575,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 97.21323324627994,
      "deflator": 111.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 10,
      "floor_total": 2102,
      "cost_total": 82888,
      "price_per_tsubo": 130.3569560038059,
      "price_per_sqm": 394329.2102759277,
      "cost_per_unit": 8288.8,
      "floor_per_unit": 210.2,
      "yoy": 20.04819920708123,
      "ratio_national": 1.0270530141935394,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 114.4486005301193,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 20,
      "floor_total": 2982,
      "cost_total": 101385,
      "price_per_tsubo": 112.3935342555332,
      "price_per_sqm": 339989.939637827,
      "cost_per_unit": 5069.25,
      "floor_per_unit": 149.1,
      "yoy": -13.780178901805773,
      "ratio_national": 0.8676630646480548,
      "rank_in_national": 11,
      "is_spliced": true,
      "price_per_tsubo_real": 94.52778322584793,
      "deflator": 118.9,
      "deflator_provisional": true
    }
  ]
}