{
  "checked": "2026-09-13",
  "currency_unit": "万円（円表記の欄を除く）",
  "jhf": [
    {
      "year": 2015,
      "type": "注文住宅",
      "n": 101.0,
      "area": 123.5360396039604,
      "land_area": 516.119405940594,
      "cost": 2871.5247524752476,
      "land_cost": 0.0,
      "file": "jhf2015-1.xls",
      "sheet": "第１-１表　地域別都道府県別主要指標(全体）",
      "row": 61
    },
    {
      "year": 2015,
      "type": "土地付注文住宅",
      "n": 155.0,
      "area": 110.40683870967739,
      "land_area": 199.0695483870968,
      "cost": 2388.8645161290324,
      "land_cost": 971.5419354838709,
      "file": "jhf2015-2.xls",
      "sheet": "第１表　地域別都道府県別主要指標",
      "row": 61
    },
    {
      "year": 2015,
      "type": "建売住宅",
      "n": 29.0,
      "area": 106.6810344827586,
      "land_area": 166.26517241379307,
      "cost": 2989.0,
      "land_cost": null,
      "file": "jhf2015-3.xls",
      "sheet": "第１表　地域別都道府県別主要指標",
      "row": 61
    },
    {
      "year": 2015,
      "type": "中古戸建",
      "n": 27.0,
      "area": 116.16851851851852,
      "land_area": 206.2303703703703,
      "cost": 1935.851851851852,
      "land_cost": null,
      "file": "jhf2015-5.xls",
      "sheet": "第１表　地域別都道府県別主要指標（一戸建等）",
      "row": 61
    },
    {
      "year": 2025,
      "type": "注文住宅",
      "n": 42,
      "area": 110.5,
      "land_area": 292.3,
      "cost": 3696.1,
      "land_cost": 0,
      "file": "jhf2025-1.xlsx",
      "sheet": "第１表　地域別都道府県別主要指標",
      "row": 61
    },
    {
      "year": 2025,
      "type": "土地付注文住宅",
      "n": 127,
      "area": 103.8,
      "land_area": 228.6,
      "cost": 3523,
      "land_cost": 1038.2,
      "file": "jhf2025-2.xlsx",
      "sheet": "第１表　地域別都道府県別主要指標",
      "row": 61
    },
    {
      "year": 2025,
      "type": "建売住宅",
      "n": 38,
      "area": 99.7,
      "land_area": 143.1,
      "cost": 3630.2,
      "land_cost": null,
      "file": "jhf2025-3.xlsx",
      "sheet": "第１表　地域別都道府県別主要指標",
      "row": 61
    },
    {
      "year": 2025,
      "type": "中古戸建",
      "n": 46,
      "area": 121.4,
      "land_area": 225.6,
      "cost": 2186.4,
      "land_cost": null,
      "file": "jhf2025-5.xlsx",
      "sheet": "第１表　地域別都道府県別主要指標",
      "row": 61
    }
  ],
  "land": [
    {
      "id": "伊予-1",
      "address": "愛媛県　伊予市米湊字安広７４８番２",
      "standard_land_area_m2": 232,
      "yen_m2_2016": 65500,
      "yen_m2_2026": 59300,
      "change_pct": -9.465648854961827,
      "man_50tsubo_2016": 1082.6446280991736,
      "man_50tsubo_2026": 980.1652892561983,
      "attribute_change_note": "2016〜2026年の属性変更なし"
    },
    {
      "id": "伊予-2",
      "address": "愛媛県　伊予市下吾川字北西原２０２５番２６",
      "standard_land_area_m2": 175,
      "yen_m2_2016": 59100,
      "yen_m2_2026": 52000,
      "change_pct": -12.013536379018607,
      "man_50tsubo_2016": 976.8595041322316,
      "man_50tsubo_2026": 859.504132231405,
      "attribute_change_note": "2020・2021年に利用現況・建物構造の変更フラグあり"
    },
    {
      "id": "伊予-3",
      "address": "愛媛県　伊予市下吾川字北野４８３番１４",
      "standard_land_area_m2": 132,
      "yen_m2_2016": 58000,
      "yen_m2_2026": 55600,
      "change_pct": -4.137931034482756,
      "man_50tsubo_2016": 958.6776859504133,
      "man_50tsubo_2026": 919.00826446281,
      "attribute_change_note": "2016〜2026年の属性変更なし"
    },
    {
      "id": "伊予-4",
      "address": "愛媛県　伊予市下三谷字中小路１４３１番４",
      "standard_land_area_m2": 501,
      "yen_m2_2016": 36200,
      "yen_m2_2026": 30000,
      "change_pct": -17.12707182320442,
      "man_50tsubo_2016": 598.3471074380166,
      "man_50tsubo_2026": 495.86776859504135,
      "attribute_change_note": "2016〜2026年の属性変更なし"
    }
  ],
  "transactions": {
    "raw_n": 2076,
    "eligible_n": 647,
    "excluded": {
      "建築年不明": 165,
      "木造・住宅専用以外": 818,
      "比較面積範囲外": 382,
      "面積不明・上限表記": 16,
      "事情記載あり": 37,
      "建築年が取引年より後": 11
    },
    "filters": "2024年第1四半期～2025年第4四半期、不動産取引価格情報、宅地（土地と建物）、木造、用途=住宅、土地100～300㎡、延床80～160㎡、築年数判定可能、取引の事情等空欄。築年数=取引年−建築年。",
    "buckets": [
      {
        "city": "愛媛県全体",
        "age_from": 0,
        "age_to": 1,
        "n": 157,
        "median": 3000.0,
        "q1": 2600.0,
        "q3": 3400.0,
        "min": 1500.0,
        "max": 6000.0,
        "mean": 3073.248407643312,
        "land_m2_mean": 145.3184713375796,
        "floor_m2_mean": 98.98089171974522
      },
      {
        "city": "愛媛県全体",
        "age_from": 8,
        "age_to": 12,
        "n": 26,
        "median": 2300.0,
        "q1": 2125.0,
        "q3": 2500.0,
        "min": 1400.0,
        "max": 2900.0,
        "mean": 2296.153846153846,
        "land_m2_mean": 165.96153846153845,
        "floor_m2_mean": 103.65384615384616
      },
      {
        "city": "愛媛県全体",
        "age_from": 20,
        "age_to": 29,
        "n": 84,
        "median": 1350.0,
        "q1": 792.5,
        "q3": 1700.0,
        "min": 160.0,
        "max": 7100.0,
        "mean": 1386.0714285714287,
        "land_m2_mean": 170.23809523809524,
        "floor_m2_mean": 116.19047619047619
      },
      {
        "city": "愛媛県全体",
        "age_from": 30,
        "age_to": 39,
        "n": 106,
        "median": 1000.0,
        "q1": 557.5,
        "q3": 1400.0,
        "min": 10.0,
        "max": 2700.0,
        "mean": 1064.433962264151,
        "land_m2_mean": 165.70754716981133,
        "floor_m2_mean": 109.85849056603773
      },
      {
        "city": "松山市",
        "age_from": 0,
        "age_to": 1,
        "n": 122,
        "median": 2900.0,
        "q1": 2600.0,
        "q3": 3375.0,
        "min": 1800.0,
        "max": 6000.0,
        "mean": 3069.6721311475408,
        "land_m2_mean": 139.18032786885246,
        "floor_m2_mean": 98.56557377049181
      },
      {
        "city": "松山市",
        "age_from": 8,
        "age_to": 12,
        "n": 14,
        "median": 2300.0,
        "q1": 2300.0,
        "q3": 2500.0,
        "min": 1700.0,
        "max": 2900.0,
        "mean": 2342.8571428571427,
        "land_m2_mean": 143.57142857142858,
        "floor_m2_mean": 99.64285714285714
      },
      {
        "city": "松山市",
        "age_from": 20,
        "age_to": 29,
        "n": 44,
        "median": 1500.0,
        "q1": 1057.5,
        "q3": 1925.0,
        "min": 350.0,
        "max": 5000.0,
        "mean": 1555.909090909091,
        "land_m2_mean": 158.52272727272728,
        "floor_m2_mean": 112.61363636363636
      },
      {
        "city": "松山市",
        "age_from": 30,
        "age_to": 39,
        "n": 53,
        "median": 1100.0,
        "q1": 780.0,
        "q3": 1600.0,
        "min": 10.0,
        "max": 2700.0,
        "mean": 1201.3207547169811,
        "land_m2_mean": 147.0754716981132,
        "floor_m2_mean": 100.84905660377359
      },
      {
        "city": "伊予市",
        "age_from": 0,
        "age_to": 1,
        "n": 1,
        "median": 2100.0,
        "q1": 2100.0,
        "q3": 2100.0,
        "min": 2100.0,
        "max": 2100.0,
        "mean": 2100.0,
        "land_m2_mean": 120.0,
        "floor_m2_mean": 95.0
      },
      {
        "city": "伊予市",
        "age_from": 8,
        "age_to": 12,
        "n": 2,
        "median": 2400.0,
        "q1": 2350.0,
        "q3": 2450.0,
        "min": 2300.0,
        "max": 2500.0,
        "mean": 2400.0,
        "land_m2_mean": 170.0,
        "floor_m2_mean": 97.5
      },
      {
        "city": "伊予市",
        "age_from": 20,
        "age_to": 29,
        "n": 3,
        "median": 1100.0,
        "q1": 1005.0,
        "q3": 1150.0,
        "min": 910.0,
        "max": 1200.0,
        "mean": 1070.0,
        "land_m2_mean": 171.66666666666666,
        "floor_m2_mean": 103.33333333333333
      },
      {
        "city": "伊予市",
        "age_from": 30,
        "age_to": 39,
        "n": 4,
        "median": 1310.0,
        "q1": 512.5,
        "q3": 2025.0,
        "min": 190.0,
        "max": 2100.0,
        "mean": 1227.5,
        "land_m2_mean": 198.75,
        "floor_m2_mean": 110.0
      },
      {
        "city": "伊予郡松前町",
        "age_from": 0,
        "age_to": 1,
        "n": 13,
        "median": 3100.0,
        "q1": 2900.0,
        "q3": 3700.0,
        "min": 1900.0,
        "max": 4500.0,
        "mean": 3192.3076923076924,
        "land_m2_mean": 171.15384615384616,
        "floor_m2_mean": 102.3076923076923
      },
      {
        "city": "伊予郡松前町",
        "age_from": 8,
        "age_to": 12,
        "n": 0
      },
      {
        "city": "伊予郡松前町",
        "age_from": 20,
        "age_to": 29,
        "n": 1,
        "median": 2300.0,
        "q1": 2300.0,
        "q3": 2300.0,
        "min": 2300.0,
        "max": 2300.0,
        "mean": 2300.0,
        "land_m2_mean": 165.0,
        "floor_m2_mean": 110.0
      },
      {
        "city": "伊予郡松前町",
        "age_from": 30,
        "age_to": 39,
        "n": 1,
        "median": 1400.0,
        "q1": 1400.0,
        "q3": 1400.0,
        "min": 1400.0,
        "max": 1400.0,
        "mean": 1400.0,
        "land_m2_mean": 185.0,
        "floor_m2_mean": 130.0
      }
    ],
    "iyo_age8_12_examples": [
      {
        "source_row": 1650,
        "city": "伊予市",
        "district": "上吾川",
        "period": "2024年第4四半期",
        "built": 2016,
        "age": 8,
        "land_m2": 200.0,
        "floor_m2": 80.0,
        "price_man": 2500.0
      },
      {
        "source_row": 1665,
        "city": "伊予市",
        "district": "下吾川",
        "period": "2025年第2四半期",
        "built": 2017,
        "age": 8,
        "land_m2": 140.0,
        "floor_m2": 115.0,
        "price_man": 2300.0
      }
    ]
  },
  "deflator": {
    "base": "2020年度=100",
    "scope": "全国・木造住宅W、投入工事費。用地費・営業余剰・間接税を含まない。",
    "fy2015": 93.5,
    "fy2025": 122.3,
    "june2026": 126.7
  },
  "rates": {
    "sep2015_pct": 1.54,
    "sep2016_pct": 1.02,
    "sep2026_with_basic_danshin_pct": 3.46,
    "sep2026_without_danshin_pct": 3.26,
    "loan_ltv_max": 0.9,
    "term_years_for_rate": "21〜35",
    "comparison": "2015・2016年は団信費用別、2026年は団信なしで比較。割引適用前。"
  },
  "reins_2026q2": {
    "average_price_man": 1552,
    "average_age": 32.2,
    "average_land_m2": 196.7,
    "average_floor_m2": 113.0,
    "method": "2四半期後方移動平均。土地50㎡以上500㎡未満。"
  },
  "scenario": {
    "note": "取得費は異なる物件群の平均・中央値。追加費用は仮定。実物件・同一条件・コトデザインの見積もりではない。",
    "items": [
      "取得費（土地＋建物）",
      "追加する改修費",
      "諸費用（仮定）",
      "予備費（仮定）",
      "家具・照明（仮定）"
    ],
    "columns": [
      {
        "label": "土地付注文住宅を参考",
        "costs": [
          4561.2,
          0,
          250,
          100,
          150
        ]
      },
      {
        "label": "築0〜1年の住宅を参考",
        "costs": [
          3000,
          0,
          200,
          50,
          150
        ]
      },
      {
        "label": "築20〜29年中古＋改修",
        "costs": [
          1350,
          1500,
          250,
          150,
          150
        ]
      }
    ]
  },
  "formulas": {
    "growth": "comparison / baseline - 1",
    "land_50tsubo_man": "yen_per_m2 * (400/121*50) / 10000",
    "monthly_payment_yen": "P * r / (1 - (1+r)^(-n)), r=annual_pct/100/12, n=years*12; if r=0, P/n",
    "total_repayment_yen": "unrounded_monthly_payment * n",
    "replacement_man": "2500 * comparison / baseline"
  },
  "sources": [
    {
      "number": 1,
      "id": "s-jhf15",
      "title": "住宅金融支援機構「2015年度フラット35利用者調査」集計表",
      "url": "https://www.jhf.go.jp/about/research/loan/flat35/H27.html",
      "locator": "訂正後の地域別都道府県別主要指標・愛媛県。土地付注文住宅は400347366.xls、注文住宅400347365.xls、建売400347367.xls、中古戸建400347369.xls。"
    },
    {
      "number": 2,
      "id": "s-jhf25",
      "title": "住宅金融支援機構「2025年度フラット35利用者調査」集計表",
      "url": "https://www.jhf.go.jp/about/research/loan/flat35/2025.html",
      "locator": "2026年7月24日公表。各住宅区分の第1表・愛媛県。土地付注文住宅は8510_ext_99_3.xlsx。"
    },
    {
      "number": 3,
      "id": "s-jhf-method",
      "title": "住宅金融支援機構「フラット35利用者調査」調査概要・訂正案内",
      "url": "https://www.jhf.go.jp/about/research/loan/flat35/",
      "locator": "利用者を対象とする調査。過去集計表の訂正を確認。"
    },
    {
      "number": 4,
      "id": "s-def-year",
      "title": "国土交通省「建設工事費デフレーター」年度表",
      "url": "https://www.mlit.go.jp/statistics/details/content/defnendo_260630.xlsx",
      "locator": "2026年6月30日公表、2020年度基準。木造住宅W列、2015年度93.5、2025年度122.3。"
    },
    {
      "number": 5,
      "id": "s-def-month",
      "title": "国土交通省「建設工事費デフレーター」月次表",
      "url": "https://www.mlit.go.jp/statistics/details/content/deftsuki_2606.xlsx",
      "locator": "2026年8月31日公表。2026年6月・木造住宅W＝126.7。"
    },
    {
      "number": 6,
      "id": "s-def-notes",
      "title": "国土交通省「建設工事費デフレーター」利用上の注意",
      "url": "https://www.mlit.go.jp/statistics/details/t-other-2_tk_000249.html",
      "locator": "指数の対象費用、暫定ウエイト、販売価格との違い。"
    },
    {
      "number": 7,
      "id": "s-land-data",
      "title": "国土交通省・国土数値情報「2026年地価公示・愛媛県」データ",
      "url": "https://nlftp.mlit.go.jp/ksj/gml/data/L01/L01-26//L01-26_38_GML.zip",
      "locator": "GeoJSONの伊予市38210・住宅地000・標準地001〜004。2016年価格L01_095、2026年価格L01_105。"
    },
    {
      "number": 8,
      "id": "s-land-meta",
      "title": "国土交通省・国土数値情報「地価公示」2026年版メタデータ",
      "url": "https://nlftp.mlit.go.jp/ksj/gml/datalist/KsjTmplt-L01-2026.html",
      "locator": "価格年次・属性の定義。伊予-2では途中年の利用現況・建物構造変更を確認。"
    },
    {
      "number": 9,
      "id": "s-land-pref",
      "title": "愛媛県「令和8年地価公示概要」",
      "url": "https://www.pref.ehime.jp/uploaded/attachment/174251.pdf",
      "locator": "住宅地の県・市町別平均変動率、3〜6ページ。"
    },
    {
      "number": 10,
      "id": "s-transactions",
      "title": "国土交通省「不動産情報ライブラリ」不動産取引価格情報",
      "url": "https://www.reinfolib.mlit.go.jp/realEstatePrices/",
      "locator": "愛媛県、宅地（土地と建物）、2024年第1四半期〜2025年第4四半期をCSV取得。2,076件から条件に合う647件を抽出・加工。"
    },
    {
      "number": 11,
      "id": "s-transactions-method",
      "title": "国土交通省「不動産情報ライブラリ」不動産価格情報の検索マニュアル",
      "url": "https://www.reinfolib.mlit.go.jp/realEstatePrices/manual/",
      "locator": "不動産取引価格情報と成約価格情報の区別、公開データの項目。"
    },
    {
      "number": 12,
      "id": "s-reins",
      "title": "西日本不動産流通機構「四国地区市況動向 2026年4〜6月期」",
      "url": "https://www.nishinihon-reins.or.jp/wp/wp-content/uploads/2021/12/Quarterly-summary2026_4-7.pdf",
      "locator": "愛媛県・中古戸建成約、15ページ。冒頭の集計方法：2四半期後方移動平均、土地50㎡以上500㎡未満。"
    },
    {
      "number": 13,
      "id": "s-valuation",
      "title": "国土交通省「中古戸建て住宅に係る建物評価の改善に向けた指針」",
      "url": "https://www.mlit.go.jp/report/press/totikensangyo16_hh_000101.html",
      "locator": "2014年3月31日。築年数のみで一律に価値を減じる評価慣行の改善。"
    },
    {
      "number": 14,
      "id": "s-rate-history",
      "title": "SBIアルヒ「住宅ローン金利の推移」",
      "url": "https://www.sbiaruhi.co.jp/rate/transition/index.html",
      "locator": "フラット35・融資率9割以下・21〜35年、2015年9月1.54％、2016年9月1.02％。旧制度の団信費用は別。"
    },
    {
      "number": 15,
      "id": "s-rate-current",
      "title": "住宅金融支援機構「フラット35 金利情報」",
      "url": "https://www.simulation.jhf.go.jp/flat35/kinri/index.php/rates/top",
      "locator": "2026年9月資金受取分。融資率9割以下、21〜35年、新機構団信付きの最頻金利3.460％。金利引下げ制度適用前。"
    },
    {
      "number": 16,
      "id": "s-danshin-change",
      "title": "フラット35「団体信用生命保険制度のご案内」",
      "url": "https://www.flat35.com/danshin_menu/",
      "locator": "2017年10月1日以後申込分の制度変更。新制度は団信費用を毎月返済に含む。"
    },
    {
      "number": 17,
      "id": "s-danshin-minus",
      "title": "住宅金融支援機構FAQ「団信に加入しない場合の借入金利」",
      "url": "https://jhffaq.jp/jhffaq/flat35/web/knowledge344.html",
      "locator": "新機構団信付き金利から年0.2％引下げ。2026年9月比較用金利は3.26％。"
    },
    {
      "number": 18,
      "id": "s-iyo-loan",
      "title": "伊予銀行「まるごと住宅ローンワイド・リフォームプラン」",
      "url": "https://www.iyobank.co.jp/kariru/marugoto/reformplan/",
      "locator": "中古住宅購入＋リフォーム、大規模リフォーム、他行借換え＋リフォーム。担保評価加算と分割貸出の案内。"
    },
    {
      "number": 19,
      "id": "s-reno",
      "title": "フラット35「リノベ」商品案内",
      "url": "https://www.flat35.com/loan/lineup/reno/",
      "locator": "中古住宅購入とリフォームに関する融資・金利引下げ制度。"
    },
    {
      "number": 20,
      "id": "s-reno-conditions",
      "title": "フラット35リノベ「リフォーム一体タイプ」利用条件",
      "url": "https://www.flat35.com/loan/lineup/reno/conditions01.html",
      "locator": "住宅・工事の技術基準、資金使途、取扱金融機関等。"
    },
    {
      "number": 21,
      "id": "s-iyo-reform",
      "title": "伊予銀行「まるごとリフォームローン」商品概要説明書",
      "url": "https://www.iyobank.co.jp/kariru/pdf/reform_loan.pdf",
      "locator": "2025年10月1日付。リフォームに伴うインテリア用品等の対象範囲。住宅ローンワイドとは別商品。"
    },
    {
      "number": 22,
      "id": "s-inspection",
      "title": "国土交通省「既存住宅の購入・売却を検討している皆様へ」",
      "url": "https://www.mlit.go.jp/jutakukentiku/jutaku-kentiku.files/kashitanpocorner/consumer/existing_housing_kizonjutaku.html",
      "locator": "既存住宅の建物状況調査等。"
    }
  ],
  "source_files_sha256": {
    "ehime-transactions-0.csv": "7547b16e4b58a7f3f8476e0ff95387a64b3b2dbd5b15bda87e1ecf908fd18210",
    "jhf2025-1.xlsx": "b9a74492054da83c166bb78e544560b3b4976994e875e65ab710940cd8264aa1",
    "jhf2025-0.xlsx": "627d8b62afce7c6a6da72e4670e69307ee83be1ccbb5296753998431aefb3103",
    "jhf2025-6.xlsx": "b0f4239f4ba1b67a340f9cb55bd8fe5ff0776a17b7ba8db7b1aad38b369f3e56",
    "jhf2025-5.xlsx": "c561913a46f9ff3d35d9fa5330ccff10a2b02914e3918d946253b11973f58a6c",
    "deflator-monthly.xlsx": "3c0542f90f0a3cd918f0b876761670e368b23a178eb2f434c8333d191cdb5d46",
    "jhf2015-5.xls": "ed79d62c4c319a2e16fb9888c03cce62b2bad1efb40769fc376f0f400a607a54",
    "jhf2015-4.xls": "ef9245e604e93ddf80ab82000376d351984061ab49989ddde73bee5abdd4941f",
    "jhf2015-6.xls": "fccb47b08c285f55d210517d0f88c01b39b868e418a9acfb43dbffaef55ccde9",
    "land2026-ehime.geojson": "fda35a477bddbb5479d2b6dfaa55cf93dca2952a14c876452c9e8e5c406d2b38",
    "jhf2015-3.xls": "5e523004a26849f158b7882c8889085f33a8599297b348f980faa98cd01f595c",
    "jhf2015-2.xls": "c92f07ca9e5d470b09da3ec963b989fbce8b3e228a5c47ae8a64931a43d1cc67",
    "jhf2015-0.xls": "160b3a67c5758b0b2b7ff5bb98d06be417aa408abbbb80076279ef2821641bc2",
    "jhf2015-1.xls": "00c1a09919cb968fd52d7ff985135d22f4fe4e7048e260452ef7dbd065dcfd98",
    "jhf2025-4.xlsx": "09299b153a165399b63cb923243c2f12fc33949078b9de83c0cb5f47508e7f78",
    "deflator-annual.xlsx": "ac59ca2fbd3ec9859f061d405d7705e5d5065ca851b222d0165fdddf4c48b8a0",
    "jhf2025-3.xlsx": "0d0dba1116febe9ab1861e32f38805d733d743648534694a80a544b38d46a754",
    "jhf2025-2.xlsx": "08441625151e1ac6dc77f30c42f3c2dc159f49c446e0df153aabbdc002b89641"
  },
  "derived": {
    "replacement_man": {
      "deflator_fy2025": 3270.053475935829,
      "deflator_june2026": 3387.700534759358,
      "ehime_average_cost": 3686.898080880645
    },
    "growth_cost_pct": 47.47592323522581,
    "monthly_payment_3000man": {
      "1.02": 84965.62252290134,
      "1.54": 92444.2781046494,
      "3.26": 119851.88876052762,
      "3.46": 123292.92324528223
    },
    "monthly_difference_1000man": {
      "1.54": 30814.75936821647,
      "2": 33126.27697004423,
      "3.46": 41097.64108176074
    }
  }
}
