{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "all",
    "building_type": "rowhouse",
    "label": "長屋建"
  },
  "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": 254,
    "price_per_tsubo": 108.99046506114703,
    "prev_price_per_tsubo": 100.34974052901138,
    "change_vs_prev": 8.610609740079582,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1999,
      "floor_total": 113199,
      "cost_total": 2081297,
      "price_per_tsubo": 60.78084443882013,
      "price_per_sqm": 183861.78323130062,
      "cost_per_unit": 1041.169084542271,
      "floor_per_unit": 56.62781390695348,
      "yoy": null,
      "ratio_national": 1.046167276353995,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 69.22647430389537,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 2822,
      "floor_total": 161159,
      "cost_total": 2994771,
      "price_per_tsubo": 61.430537693147755,
      "price_per_sqm": 185827.1024267959,
      "cost_per_unit": 1061.2228915662652,
      "floor_per_unit": 57.108079376328845,
      "yoy": 1.0689112010965562,
      "ratio_national": 1.0244083955290033,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 68.02938836450471,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 2507,
      "floor_total": 136187,
      "cost_total": 2718320,
      "price_per_tsubo": 65.98423544684881,
      "price_per_sqm": 199602.0178137414,
      "cost_per_unit": 1084.2919824491423,
      "floor_per_unit": 54.32269644994017,
      "yoy": 7.412759068538977,
      "ratio_national": 1.0397488314386691,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 70.49597804150515,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 2132,
      "floor_total": 118729,
      "cost_total": 2534894,
      "price_per_tsubo": 70.57944761818933,
      "price_per_sqm": 213502.51412881436,
      "cost_per_unit": 1188.9746716697937,
      "floor_per_unit": 55.6890243902439,
      "yoy": 6.964106108408319,
      "ratio_national": 1.082963915664191,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 75.56686040491363,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2110,
      "floor_total": 112534,
      "cost_total": 2537376,
      "price_per_tsubo": 74.5377593175396,
      "price_per_sqm": 225476.38935788296,
      "cost_per_unit": 1202.5478672985782,
      "floor_per_unit": 53.333649289099526,
      "yoy": 5.608306430454624,
      "ratio_national": 1.121980414629987,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 79.80488149629507,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1476,
      "floor_total": 77295,
      "cost_total": 1735153,
      "price_per_tsubo": 74.20986397399574,
      "price_per_sqm": 224484.50740668867,
      "cost_per_unit": 1175.5779132791329,
      "floor_per_unit": 52.36788617886179,
      "yoy": -0.4399050180016628,
      "ratio_national": 1.0956124705469543,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 77.95153778781064,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1180,
      "floor_total": 65747,
      "cost_total": 1438764,
      "price_per_tsubo": 72.34172880222673,
      "price_per_sqm": 218833.40684746072,
      "cost_per_unit": 1219.291525423729,
      "floor_per_unit": 55.71779661016949,
      "yoy": -2.5173677348655943,
      "ratio_national": 1.0597970950931979,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 73.74284281572552,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 926,
      "floor_total": 51366,
      "cost_total": 1144267,
      "price_per_tsubo": 73.64222259724332,
      "price_per_sqm": 222767.39477475372,
      "cost_per_unit": 1235.7095032397408,
      "floor_per_unit": 55.470842332613394,
      "yoy": 1.797709035364603,
      "ratio_national": 1.0339709843596105,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 73.49523213297736,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 644,
      "floor_total": 35652,
      "cost_total": 790963,
      "price_per_tsubo": 73.34111903315382,
      "price_per_sqm": 221856.5578368675,
      "cost_per_unit": 1228.2034161490683,
      "floor_per_unit": 55.36024844720497,
      "yoy": -0.40887354220182637,
      "ratio_national": 1.0058711561926665,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 73.34111903315382,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 919,
      "floor_total": 49525,
      "cost_total": 1116326,
      "price_per_tsubo": 74.51467597253912,
      "price_per_sqm": 225406.5623422514,
      "cost_per_unit": 1214.7181719260066,
      "floor_per_unit": 53.89009793253536,
      "yoy": 1.6001350331930508,
      "ratio_national": 1.000889048077531,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 68.80394826642579,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1130,
      "floor_total": 58426,
      "cost_total": 1441087,
      "price_per_tsubo": 81.53785974959779,
      "price_per_sqm": 246651.66193133194,
      "cost_per_unit": 1275.2982300884955,
      "floor_per_unit": 51.70442477876106,
      "yoy": 9.42523561351447,
      "ratio_national": 1.048112657593313,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 70.04970768865789,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1018,
      "floor_total": 55508,
      "cost_total": 1484662,
      "price_per_tsubo": 88.41934122973265,
      "price_per_sqm": 267468.112704475,
      "cost_per_unit": 1458.4106090373282,
      "floor_per_unit": 54.52652259332024,
      "yoy": 8.439615046639503,
      "ratio_national": 1.0328328845527845,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 75.57208652113901,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 730,
      "floor_total": 42933,
      "cost_total": 1318980,
      "price_per_tsubo": 101.5598931870589,
      "price_per_sqm": 307218.2237439732,
      "cost_per_unit": 1806.8219178082193,
      "floor_per_unit": 58.81232876712329,
      "yoy": 14.861626172020713,
      "ratio_national": 1.0522975827129226,
      "rank_in_national": 13,
      "is_spliced": true,
      "price_per_tsubo_real": 83.65724315243732,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 791,
      "floor_total": 44672,
      "cost_total": 1379587,
      "price_per_tsubo": 102.09135272049606,
      "price_per_sqm": 308825.88646131806,
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      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}