Prices in Japanese yen (JPY). K = thousand; M = million. Unit prices are per m² unless stated otherwise.

FY2025 · FLAT 35 BORROWER SURVEY

Saga average land and construction cost

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

FY2025 · Custom homes with land
Average required funds
Average land acquisition
Average construction
Survey records
72

Home and lot sizes in the survey

Median lot area
255 m²
Average floor area
110.4 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 100 m² model

The table below is a planning model using 100 m² of land and the same 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
Kiyama2025 · 16 transactions · 5 neighborhoodsLand Building
Tosu2025 · 47 transactions · 51 neighborhoodsLand Building
Takeo2025 · 33 transactions · 3 neighborhoodsLand Building
Saga2025 · 174 transactions · 109 neighborhoodsLand Building
Karatsu2025 · 97 transactions · 111 neighborhoodsLand Building
Imari2025 · 31 transactions · 7 neighborhoodsLand Building
Ogi2025 · 50 transactions · 23 neighborhoodsLand Building
Kashima-City2025 · 17 transactions · 11 neighborhoodsLand Building
Kanzaki2025 · 25 transactions · 22 neighborhoodsLand Building
Miyaki2025 · 20 transactions · 10 neighborhoodsLand Building
Kamimine2025 · 9 transactions · 3 neighborhoodsLand Building
Kohoku2025 · 4 transactions · 6 neighborhoodsLand Building
Omachi-Town2025 · 3 transactions · 2 neighborhoodsLand Building
Ureshino2025 · 28 transactions · 11 neighborhoodsLand Building
Arita2025 · 9 transactions · 29 neighborhoodsLand Building
Taku2025 · 12 transactions · 3 neighborhoodsLand Building
Yoshinogari2025 · 28 transactions · 9 neighborhoodsLand Building
Shiroishi-Town2025 · 7 transactions · 17 neighborhoodsLand Building
Tara2025 · 8 transactions · 2 neighborhoodsLand Building
Genkai2025 · 1 transactions · 5 neighborhoodsLand Building
MunicipalityTotal modelLand / build
Kiyama16 transactions · 5 neighborhoodsLandBuildTosu47 transactions · 51 neighborhoodsLandBuildTakeo33 transactions · 3 neighborhoodsLandBuildSaga174 transactions · 109 neighborhoodsLandBuildKaratsu97 transactions · 111 neighborhoodsLandBuildImari31 transactions · 7 neighborhoodsLandBuildOgi50 transactions · 23 neighborhoodsLandBuildKashima-City17 transactions · 11 neighborhoodsLandBuildKanzaki25 transactions · 22 neighborhoodsLandBuildMiyaki20 transactions · 10 neighborhoodsLandBuildKamimine9 transactions · 3 neighborhoodsLandBuildKohoku4 transactions · 6 neighborhoodsLandBuildOmachi-Town3 transactions · 2 neighborhoodsLandBuildUreshino28 transactions · 11 neighborhoodsLandBuildArita9 transactions · 29 neighborhoodsLandBuildTaku12 transactions · 3 neighborhoodsLandBuildYoshinogari28 transactions · 9 neighborhoodsLandBuildShiroishi-Town7 transactions · 17 neighborhoodsLandBuildTara8 transactions · 2 neighborhoodsLandBuildGenkai1 transactions · 5 neighborhoodsLandBuild

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