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 m² 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 / m² | Sample |
|---|---|---|---|---|
| Hokkaido | 116.4 m² | 330 | ||
| Aomori | 108.5 m² | 88 | ||
| Iwate | 104.9 m² | 74 | ||
| Miyagi | 111.1 m² | 145 | ||
| Akita | 106.4 m² | 113 | ||
| Yamagata | 108.4 m² | 75 | ||
| Fukushima | 105.7 m² | 120 | ||
| Ibaraki | 110.8 m² | 292 | ||
| Tochigi | 109.5 m² | 203 | ||
| Gunma | 113.2 m² | 218 | ||
| Saitama | 111.8 m² | 430 | ||
| Chiba | 113.2 m² | 452 | ||
| Tokyo | 104.8 m² | 393 | ||
| Kanagawa | 106.8 m² | 376 | ||
| Niigata | 111 m² | 76 | ||
| Toyama | 116.5 m² | 29 | ||
| Ishikawa | 114.7 m² | 47 | ||
| Fukui | 112.4 m² | 29 | ||
| Yamanashi | 110.2 m² | 141 | ||
| Nagano | 110.1 m² | 164 | ||
| Gifu | 116.7 m² | 148 | ||
| Shizuoka | 110 m² | 204 | ||
| Aichi | 114.5 m² | 342 | ||
| Mie | 107.5 m² | 76 | ||
| Shiga | 108.1 m² | 168 | ||
| Kyoto | 104.1 m² | 148 | ||
| Osaka | 110.2 m² | 615 | ||
| Hyogo | 113.8 m² | 398 | ||
| Nara | 111.6 m² | 151 | ||
| Wakayama | 111.9 m² | 118 | ||
| Tottori | 100.9 m² | 11 | ||
| Shimane | 102.4 m² | 4 | ||
| Okayama | 109.9 m² | 85 | ||
| Hiroshima | 109.1 m² | 76 | ||
| Yamaguchi | 109.6 m² | 74 | ||
| Tokushima | 103.7 m² | 17 | ||
| Kagawa | 114.4 m² | 38 | ||
| Ehime | 103.8 m² | 127 | ||
| Kochi | 105.1 m² | 34 | ||
| Fukuoka | 112.3 m² | 457 | ||
| Saga | 110.4 m² | 72 | ||
| Nagasaki | 108.2 m² | 72 | ||
| Kumamoto | 106.1 m² | 173 | ||
| Oita | 110.4 m² | 61 | ||
| Miyazaki | 110 m² | 73 | ||
| Kagoshima | 102.9 m² | 163 | ||
| Okinawa | 102.4 m² | 33 |
Hokkaido116.4 m² · 330 samples›Aomori108.5 m² · 88 samples›Iwate104.9 m² · 74 samples›Miyagi111.1 m² · 145 samples›Akita106.4 m² · 113 samples›Yamagata108.4 m² · 75 samples›Fukushima105.7 m² · 120 samples›Ibaraki110.8 m² · 292 samples›Tochigi109.5 m² · 203 samples›Gunma113.2 m² · 218 samples›Saitama111.8 m² · 430 samples›Chiba113.2 m² · 452 samples›Tokyo104.8 m² · 393 samples›Kanagawa106.8 m² · 376 samples›Niigata111 m² · 76 samples›Toyama116.5 m² · 29 samples›Ishikawa114.7 m² · 47 samples›Fukui112.4 m² · 29 samples›Yamanashi110.2 m² · 141 samples›Nagano110.1 m² · 164 samples›Gifu116.7 m² · 148 samples›Shizuoka110 m² · 204 samples›Aichi114.5 m² · 342 samples›Mie107.5 m² · 76 samples›Shiga108.1 m² · 168 samples›Kyoto104.1 m² · 148 samples›Osaka110.2 m² · 615 samples›Hyogo113.8 m² · 398 samples›Nara111.6 m² · 151 samples›Wakayama111.9 m² · 118 samples›Tottori100.9 m² · 11 samples›Shimane102.4 m² · 4 samples›Okayama109.9 m² · 85 samples›Hiroshima109.1 m² · 76 samples›Yamaguchi109.6 m² · 74 samples›Tokushima103.7 m² · 17 samples›Kagawa114.4 m² · 38 samples›Ehime103.8 m² · 127 samples›Kochi105.1 m² · 34 samples›Fukuoka112.3 m² · 457 samples›Saga110.4 m² · 72 samples›Nagasaki108.2 m² · 72 samples›Kumamoto106.1 m² · 173 samples›Oita110.4 m² · 61 samples›Miyazaki110 m² · 73 samples›Kagoshima102.9 m² · 163 samples›Okinawa102.4 m² · 33 samples›