47 PREFECTURES · 2025 FLAT 35 DATA
House construction costs by prefecture
Compare official benchmarks for land-attached custom homes across all 47 prefectures.
Choose a prefecture
Select a prefecture on the regional map. The comparison table remains available below.
Average custom-home construction cost by prefecture
Average construction cost is the main figure. Floor area, calculated cost per tsubo and sample size provide context for comparison.
These are results for Flat 35 borrowers building land-attached custom homes, not an average of all home buyers. Land acquisition costs are not included.
| Prefecture | Average construction cost | Average floor area | Calculated / tsubo | Sample |
|---|---|---|---|---|
| Hokkaido | ¥40.8M | 116.4 m² | ¥1.2M / tsubo | 330 |
| Aomori | ¥35.5M | 108.5 m² | ¥1.1M / tsubo | 88 |
| Iwate | ¥34.4M | 104.9 m² | ¥1.1M / tsubo | 74 |
| Miyagi | ¥36M | 111.1 m² | ¥1.1M / tsubo | 145 |
| Akita | ¥36.7M | 106.4 m² | ¥1.1M / tsubo | 113 |
| Yamagata | ¥36.7M | 108.4 m² | ¥1.1M / tsubo | 75 |
| Fukushima | ¥35M | 105.7 m² | ¥1.1M / tsubo | 120 |
| Ibaraki | ¥36.9M | 110.8 m² | ¥1.1M / tsubo | 292 |
| Tochigi | ¥36.9M | 109.5 m² | ¥1.1M / tsubo | 203 |
| Gunma | ¥38M | 113.2 m² | ¥1.1M / tsubo | 218 |
| Saitama | ¥38M | 111.8 m² | ¥1.1M / tsubo | 430 |
| Chiba | ¥40.2M | 113.2 m² | ¥1.2M / tsubo | 452 |
| Tokyo | ¥37.3M | 104.8 m² | ¥1.2M / tsubo | 393 |
| Kanagawa | ¥36.7M | 106.8 m² | ¥1.1M / tsubo | 376 |
| Niigata | ¥37.1M | 111 m² | ¥1.1M / tsubo | 76 |
| Toyama | ¥37.4M | 116.5 m² | ¥1.1M / tsubo | 29 |
| Ishikawa | ¥38.9M | 114.7 m² | ¥1.1M / tsubo | 47 |
| Fukui | ¥46.5M | 112.4 m² | ¥1.4M / tsubo | 29 |
| Yamanashi | ¥36.1M | 110.2 m² | ¥1.1M / tsubo | 141 |
| Nagano | ¥38.3M | 110.1 m² | ¥1.2M / tsubo | 164 |
| Gifu | ¥39.9M | 116.7 m² | ¥1.1M / tsubo | 148 |
| Shizuoka | ¥37.7M | 110 m² | ¥1.1M / tsubo | 204 |
| Aichi | ¥39.1M | 114.5 m² | ¥1.1M / tsubo | 342 |
| Mie | ¥37.4M | 107.5 m² | ¥1.2M / tsubo | 76 |
| Shiga | ¥35M | 108.1 m² | ¥1.1M / tsubo | 168 |
| Kyoto | ¥34.3M | 104.1 m² | ¥1.1M / tsubo | 148 |
| Osaka | ¥34.3M | 110.2 m² | ¥1M / tsubo | 615 |
| Hyogo | ¥38.5M | 113.8 m² | ¥1.1M / tsubo | 398 |
| Nara | ¥37.6M | 111.6 m² | ¥1.1M / tsubo | 151 |
| Wakayama | ¥38M | 111.9 m² | ¥1.1M / tsubo | 118 |
| Tottori | ¥37.1M | 100.9 m² | ¥1.2M / tsubo | 11 |
| Shimane | ¥39.6M | 102.4 m² | ¥1.3M / tsubo | 4 |
| Okayama | ¥36.4M | 109.9 m² | ¥1.1M / tsubo | 85 |
| Hiroshima | ¥38.4M | 109.1 m² | ¥1.2M / tsubo | 76 |
| Yamaguchi | ¥38.1M | 109.6 m² | ¥1.2M / tsubo | 74 |
| Tokushima | ¥33.3M | 103.7 m² | ¥1.1M / tsubo | 17 |
| Kagawa | ¥36.9M | 114.4 m² | ¥1.1M / tsubo | 38 |
| Ehime | ¥35.2M | 103.8 m² | ¥1.1M / tsubo | 127 |
| Kochi | ¥37.8M | 105.1 m² | ¥1.2M / tsubo | 34 |
| Fukuoka | ¥38.9M | 112.3 m² | ¥1.2M / tsubo | 457 |
| Saga | ¥36.1M | 110.4 m² | ¥1.1M / tsubo | 72 |
| Nagasaki | ¥36.5M | 108.2 m² | ¥1.1M / tsubo | 72 |
| Kumamoto | ¥36.3M | 106.1 m² | ¥1.1M / tsubo | 173 |
| Oita | ¥37.3M | 110.4 m² | ¥1.1M / tsubo | 61 |
| Miyazaki | ¥37.8M | 110 m² | ¥1.1M / tsubo | 73 |
| Kagoshima | ¥33.8M | 102.9 m² | ¥1.1M / tsubo | 163 |
| Okinawa | ¥39.1M | 102.4 m² | ¥1.3M / tsubo | 33 |
Hokkaido116.4 m² · 330 samples¥40.8M¥1.2M / tsubo›Aomori108.5 m² · 88 samples¥35.5M¥1.1M / tsubo›Iwate104.9 m² · 74 samples¥34.4M¥1.1M / tsubo›Miyagi111.1 m² · 145 samples¥36M¥1.1M / tsubo›Akita106.4 m² · 113 samples¥36.7M¥1.1M / tsubo›Yamagata108.4 m² · 75 samples¥36.7M¥1.1M / tsubo›Fukushima105.7 m² · 120 samples¥35M¥1.1M / tsubo›Ibaraki110.8 m² · 292 samples¥36.9M¥1.1M / tsubo›Tochigi109.5 m² · 203 samples¥36.9M¥1.1M / tsubo›Gunma113.2 m² · 218 samples¥38M¥1.1M / tsubo›Saitama111.8 m² · 430 samples¥38M¥1.1M / tsubo›Chiba113.2 m² · 452 samples¥40.2M¥1.2M / tsubo›Tokyo104.8 m² · 393 samples¥37.3M¥1.2M / tsubo›Kanagawa106.8 m² · 376 samples¥36.7M¥1.1M / tsubo›Niigata111 m² · 76 samples¥37.1M¥1.1M / tsubo›Toyama116.5 m² · 29 samples¥37.4M¥1.1M / tsubo›Ishikawa114.7 m² · 47 samples¥38.9M¥1.1M / tsubo›Fukui112.4 m² · 29 samples¥46.5M¥1.4M / tsubo›Yamanashi110.2 m² · 141 samples¥36.1M¥1.1M / tsubo›Nagano110.1 m² · 164 samples¥38.3M¥1.2M / tsubo›Gifu116.7 m² · 148 samples¥39.9M¥1.1M / tsubo›Shizuoka110 m² · 204 samples¥37.7M¥1.1M / tsubo›Aichi114.5 m² · 342 samples¥39.1M¥1.1M / tsubo›Mie107.5 m² · 76 samples¥37.4M¥1.2M / tsubo›Shiga108.1 m² · 168 samples¥35M¥1.1M / tsubo›Kyoto104.1 m² · 148 samples¥34.3M¥1.1M / tsubo›Osaka110.2 m² · 615 samples¥34.3M¥1M / tsubo›Hyogo113.8 m² · 398 samples¥38.5M¥1.1M / tsubo›Nara111.6 m² · 151 samples¥37.6M¥1.1M / tsubo›Wakayama111.9 m² · 118 samples¥38M¥1.1M / tsubo›Tottori100.9 m² · 11 samples¥37.1M¥1.2M / tsubo›Shimane102.4 m² · 4 samples¥39.6M¥1.3M / tsubo›Okayama109.9 m² · 85 samples¥36.4M¥1.1M / tsubo›Hiroshima109.1 m² · 76 samples¥38.4M¥1.2M / tsubo›Yamaguchi109.6 m² · 74 samples¥38.1M¥1.2M / tsubo›Tokushima103.7 m² · 17 samples¥33.3M¥1.1M / tsubo›Kagawa114.4 m² · 38 samples¥36.9M¥1.1M / tsubo›Ehime103.8 m² · 127 samples¥35.2M¥1.1M / tsubo›Kochi105.1 m² · 34 samples¥37.8M¥1.2M / tsubo›Fukuoka112.3 m² · 457 samples¥38.9M¥1.2M / tsubo›Saga110.4 m² · 72 samples¥36.1M¥1.1M / tsubo›Nagasaki108.2 m² · 72 samples¥36.5M¥1.1M / tsubo›Kumamoto106.1 m² · 173 samples¥36.3M¥1.1M / tsubo›Oita110.4 m² · 61 samples¥37.3M¥1.1M / tsubo›Miyazaki110 m² · 73 samples¥37.8M¥1.1M / tsubo›Kagoshima102.9 m² · 163 samples¥33.8M¥1.1M / tsubo›Okinawa102.4 m² · 33 samples¥39.1M¥1.3M / tsubo›