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.

Average required funds
¥44.3M
Average land acquisition¥8.3M
Average construction¥36.1M
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 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
Kiyama2025 · 16 transactions · 5 neighborhoods¥41.5MLand ¥5.9MBuilding ¥32.4M
Tosu2025 · 47 transactions · 51 neighborhoods¥40.4MLand ¥4.8MBuilding ¥32.4M
Takeo2025 · 33 transactions · 3 neighborhoods¥39.5MLand ¥3.9MBuilding ¥32.4M
Saga2025 · 174 transactions · 109 neighborhoods¥38.9MLand ¥3.3MBuilding ¥32.4M
Karatsu2025 · 97 transactions · 111 neighborhoods¥37.9MLand ¥2.3MBuilding ¥32.4M
Imari2025 · 31 transactions · 7 neighborhoods¥37.8MLand ¥2.1MBuilding ¥32.4M
Ogi2025 · 50 transactions · 23 neighborhoods¥37.7MLand ¥2.1MBuilding ¥32.4M
Kashima-City2025 · 17 transactions · 11 neighborhoods¥37.5MLand ¥1.8MBuilding ¥32.4M
Kanzaki2025 · 25 transactions · 22 neighborhoods¥37.3MLand ¥1.7MBuilding ¥32.4M
Miyaki2025 · 20 transactions · 10 neighborhoods¥37.1MLand ¥1.5MBuilding ¥32.4M
Kamimine2025 · 9 transactions · 3 neighborhoods¥37MLand ¥1.4MBuilding ¥32.4M
Kohoku2025 · 4 transactions · 6 neighborhoods¥36.8MLand ¥1.2MBuilding ¥32.4M
Omachi-Town2025 · 3 transactions · 2 neighborhoods¥36.8MLand ¥1.1MBuilding ¥32.4M
Ureshino2025 · 28 transactions · 11 neighborhoods¥36.7MLand ¥1.1MBuilding ¥32.4M
Arita2025 · 9 transactions · 29 neighborhoods¥36.6MLand ¥0.9MBuilding ¥32.4M
Taku2025 · 12 transactions · 3 neighborhoods¥36.5MLand ¥0.9MBuilding ¥32.4M
Yoshinogari2025 · 28 transactions · 9 neighborhoods¥36.5MLand ¥0.8MBuilding ¥32.4M
Shiroishi-Town2025 · 7 transactions · 17 neighborhoods¥36.4MLand ¥0.8MBuilding ¥32.4M
Tara2025 · 8 transactions · 2 neighborhoods¥35.8MLand ¥0.2MBuilding ¥32.4M
Genkai2025 · 1 transactions · 5 neighborhoods¥35.7MLand ¥0.1MBuilding ¥32.4M

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.