FY2025 · FLAT 35 BORROWER SURVEY

Nagasaki average land and construction cost

Official averages for 72 Flat 35 borrowers in Nagasaki who financed both land acquisition and custom-home construction. These figures do not represent every homebuyer.

Average required funds
¥47.5M
Average land acquisition¥11M
Average construction¥36.5M
Survey records
72

Home and lot sizes in the survey

Median lot area
210.1 m²
Average floor area
108.2 m²

Lot area is a median, while floor area and costs are averages. Do not read these as the size and cost of one representative property. Construction cost is planned cost; land cost may be a planned purchase amount or acquisition price.

Compare municipalities using one 30-tsubo model

The table below is a planning model using 30 tsubo of land and 30 tsubo of floor area, ordered from the highest modeled total. Published transaction counts use each municipality's latest year, generally 2025. It is separate from the prefecture-level borrower results above.

MunicipalityTotal modelLand and building
Nagayo2025 · 26 transactions · 9 neighborhoods¥44.4MLand ¥7.8MBuilding ¥33.3M
Togitsu2025 · 12 transactions · 8 neighborhoods¥43.1MLand ¥6.5MBuilding ¥33.3M
Nagasaki2025 · 145 transactions · 242 neighborhoods¥42.3MLand ¥5.7MBuilding ¥33.3M
Omura2025 · 108 transactions · 73 neighborhoods¥40.7MLand ¥4.1MBuilding ¥33.3M
Sasebo2025 · 103 transactions · 173 neighborhoods¥40.2MLand ¥3.6MBuilding ¥33.3M
Isahaya2025 · 98 transactions · 111 neighborhoods¥39.2MLand ¥2.5MBuilding ¥33.3M
Kawatana2025 · 7 transactions · 10 neighborhoods¥39MLand ¥2.4MBuilding ¥33.3M
Higashisonogi2025 · 7 transactions · 8 neighborhoods¥38.7MLand ¥2.1MBuilding ¥33.3M
Shimabara2025 · 39 transactions · 71 neighborhoods¥38.6MLand ¥2MBuilding ¥33.3M
Hasami2025 · 6 transactions · 12 neighborhoods¥38.6MLand ¥1.9MBuilding ¥33.3M
Goto2025 · 23 transactions · 36 neighborhoods¥37.9MLand ¥1.3MBuilding ¥33.3M
Saza2025 · 15 transactions · 17 neighborhoods¥37.8MLand ¥1.2MBuilding ¥33.3M
Hirado2025 · 14 transactions · 37 neighborhoods¥37.5MLand ¥0.9MBuilding ¥33.3M
Unzen2025 · 37 transactions · 35 neighborhoods¥37.4MLand ¥0.8MBuilding ¥33.3M
Matsura2025 · 7 transactions · 15 neighborhoods¥37.4MLand ¥0.8MBuilding ¥33.3M
Minamishimabara2025 · 25 transactions · 8 neighborhoods¥37.4MLand ¥0.8MBuilding ¥33.3M
Iki2025 · 9 transactions · 32 neighborhoods¥37.3MLand ¥0.7MBuilding ¥33.3M
Tsushima-City2025 · 14 transactions · 41 neighborhoods¥37.2MLand ¥0.6MBuilding ¥33.3M
Shinkamigoto2025 · 14 transactions · 21 neighborhoods¥37.1MLand ¥0.5MBuilding ¥33.3M
Saikai2025 · 6 transactions · 25 neighborhoods¥36.9MLand ¥0.3MBuilding ¥33.3M
Ojika2024 · 1 transactions · 2 neighborhoods¥36.7MLand ¥0MBuilding ¥33.3M
MunicipalityTotal modelLand / build
Nagayo26 transactions · 9 neighborhoods¥44.4MLand¥7.8MBuild¥33.3MTogitsu12 transactions · 8 neighborhoods¥43.1MLand¥6.5MBuild¥33.3MNagasaki145 transactions · 242 neighborhoods¥42.3MLand¥5.7MBuild¥33.3MOmura108 transactions · 73 neighborhoods¥40.7MLand¥4.1MBuild¥33.3MSasebo103 transactions · 173 neighborhoods¥40.2MLand¥3.6MBuild¥33.3MIsahaya98 transactions · 111 neighborhoods¥39.2MLand¥2.5MBuild¥33.3MKawatana7 transactions · 10 neighborhoods¥39MLand¥2.4MBuild¥33.3MHigashisonogi7 transactions · 8 neighborhoods¥38.7MLand¥2.1MBuild¥33.3MShimabara39 transactions · 71 neighborhoods¥38.6MLand¥2MBuild¥33.3MHasami6 transactions · 12 neighborhoods¥38.6MLand¥1.9MBuild¥33.3MGoto23 transactions · 36 neighborhoods¥37.9MLand¥1.3MBuild¥33.3MSaza15 transactions · 17 neighborhoods¥37.8MLand¥1.2MBuild¥33.3MHirado14 transactions · 37 neighborhoods¥37.5MLand¥0.9MBuild¥33.3MUnzen37 transactions · 35 neighborhoods¥37.4MLand¥0.8MBuild¥33.3MMatsura7 transactions · 15 neighborhoods¥37.4MLand¥0.8MBuild¥33.3MMinamishimabara25 transactions · 8 neighborhoods¥37.4MLand¥0.8MBuild¥33.3MIki9 transactions · 32 neighborhoods¥37.3MLand¥0.7MBuild¥33.3MTsushima-City14 transactions · 41 neighborhoods¥37.2MLand¥0.6MBuild¥33.3MShinkamigoto14 transactions · 21 neighborhoods¥37.1MLand¥0.5MBuild¥33.3MSaikai6 transactions · 25 neighborhoods¥36.9MLand¥0.3MBuild¥33.3MOjika1 transactions · 2 neighborhoods¥36.7MLand¥0MBuild¥33.3M

Land uses each municipality's latest published transaction median. Building cost uses the prefecture benchmark converted to a per-tsubo planning rate; ancillary costs are provisionally 10% of modeled construction cost.