{
 "generated_at": "2026-10-14T22:54:24+09:00",
 "data_through": "2026-04-17",
 "source": [
  {
   "name": "3D都市モデル（Project PLATEAU）東京都23区（2025年度）",
   "publisher": "国土交通省",
   "url": "https://www.geospatial.jp/ckan/dataset/plateau-13101-chiyoda-ku-2025",
   "license": "公共データ利用規約 第1.0版（PDL1.0、CC BY 4.0 互換）。tokeilab が加工"
  },
  {
   "name": "国勢調査 小地域境界データ（令和2年）",
   "publisher": "総務省統計局（e-Stat）",
   "url": "https://www.e-stat.go.jp/",
   "license": "政府統計の総合窓口（e-Stat）利用規約（CC BY 4.0 互換）。tokeilab が加工"
  },
  {
   "name": "郵便番号データ（町域の読み）",
   "publisher": "日本郵便株式会社",
   "url": "https://www.post.japanpost.jp/service/search/zipcode/download/kogaki-zip.html",
   "license": "著作権の主張なし・自由に配布可。tokeilab が加工"
  }
 ],
 "license": "CC-BY-4.0",
 "license_notice": "CC BY 4.0, tokeilab。国土交通省 PLATEAU（PDL1.0）、e-Stat、日本郵便 郵便番号データを tokeilab が加工して作成。",
 "schema_url": "https://tokeilab.org/schema/sunlight/",
 "canonical_url": "https://tokeilab.org/sunlight/13101/131010110/",
 "language": "ja",
 "notice": "これは計算による推定（シミュレーション）で、実測ではありません。樹木、バルコニー・ひさし、屋根の形、天気、データ作成後に建った建物や建て替えは反映していません。建物は箱型に単純化し、階の高さは一律 3 m と仮定しています。物件の購入・賃貸などの判断には、現地での確認や日影図などとあわせてお使いください。",
 "data": {
  "ward": {
   "ward_code": "13101",
   "name_ja": "千代田区",
   "name_en": "Chiyoda City"
  },
  "town": {
   "town_code": "131010110",
   "name_ja": "一番町",
   "full_name_ja": "東京都千代田区一番町",
   "kana": "イチバンチョウ",
   "name_en": "Ichibancho",
   "name_en_auto": false,
   "lat": 35.6874,
   "lon": 139.7416
  },
  "stats": {
   "buildings": 302,
   "buildings_with_exterior_face": 302,
   "buildings_with_south_face": 280,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 0,
   "dec15_south_1f_q3": 100,
   "share_dec15_best_top_2h": 0.6457,
   "dec15_best_top_q1": 62.5,
   "dec15_best_top_median": 200,
   "dec15_best_top_q3": 370,
   "annual_mean_best_top_mean": 322.6579,
   "mean_floors": 4.7649,
   "share_dec15_south_1f_2h": 0.2143,
   "highrise_share": 0.0861,
   "edge_uncertain": 0,
   "height_uncertain": 18,
   "hist_dec15_best_top": [
    70,
    37,
    30,
    30,
    27,
    30,
    11,
    19,
    29,
    19,
    0
   ],
   "hist_dec15_south_1f": [
    188,
    32,
    20,
    14,
    7,
    5,
    2,
    4,
    8,
    0,
    0
   ]
  },
  "residential": {
   "buildings": 111,
   "buildings_with_exterior_face": 111,
   "buildings_with_south_face": 105,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 0,
   "dec15_south_1f_q3": 70,
   "share_dec15_best_top_2h": 0.6757,
   "dec15_best_top_q1": 85,
   "dec15_best_top_median": 220,
   "dec15_best_top_q3": 395,
   "annual_mean_best_top_mean": 330.9928,
   "mean_floors": 6.045,
   "share_dec15_south_1f_2h": 0.1619,
   "highrise_share": 0.1171,
   "edge_uncertain": 0,
   "height_uncertain": 0,
   "hist_dec15_best_top": [
    23,
    13,
    9,
    11,
    13,
    13,
    2,
    6,
    11,
    10,
    0
   ],
   "hist_dec15_south_1f": [
    76,
    12,
    10,
    4,
    2,
    1,
    0,
    0,
    0,
    0,
    0
   ]
  },
  "usage_counts": {
   "401": 75,
   "402": 3,
   "403": 1,
   "411": 30,
   "412": 60,
   "413": 21,
   "421": 19,
   "422": 14,
   "452": 1,
   "454": 5,
   "461": 73
  },
  "top10_dec15_best_top": [
   "13101-bldg-2504077",
   "13101-bldg-2500289",
   "13101-bldg-2500300",
   "13101-bldg-2500352",
   "13101-bldg-6117",
   "13101-bldg-6313",
   "13101-bldg-2500287",
   "13101-bldg-5841",
   "13101-bldg-6164",
   "13101-bldg-6210"
  ],
  "bottom10_dec15_best_top": [
   "13101-bldg-2500052",
   "13101-bldg-2500053",
   "13101-bldg-2500054",
   "13101-bldg-2500055",
   "13101-bldg-2500056",
   "13101-bldg-2500058",
   "13101-bldg-2500059",
   "13101-bldg-2500060",
   "13101-bldg-2500073",
   "13101-bldg-2500074"
  ],
  "links": {
   "map": "https://tokeilab.org/sunlight/map/?lat=35.6874&lon=139.7416&z=17",
   "buildings_api": "https://api.tokeilab.org/api/v1/sunlight/town/131010110/buildings?page=1",
   "building_api": "https://api.tokeilab.org/api/v1/sunlight/building/{building_id}",
   "building_page": "https://tokeilab.org/sunlight/building/?id={building_id}"
  },
  "model": {
   "params_hash": "00cbc2db66",
   "model_version": "2",
   "methodology": "https://tokeilab.org/sunlight/methodology/"
  }
 }
}