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

FY2025 · FLAT 35 BORROWER SURVEY

Gunma average land and construction cost

Official averages for 218 Flat 35 borrowers in Gunma 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
218

Home and lot sizes in the survey

Median lot area
307.6 m²
Average floor area
113.2 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 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
Takasaki2025 · 345 transactions · 201 neighborhoodsLand Building
Maebashi2025 · 267 transactions · 164 neighborhoodsLand Building
Yoshioka2025 · 29 transactions · 8 neighborhoodsLand Building
Ota-City2025 · 163 transactions · 122 neighborhoodsLand Building
Showa-Village2025 · 1 transactions · 5 neighborhoodsLand Building
Isesaki2025 · 199 transactions · 116 neighborhoodsLand Building
Tatebayashi2025 · 81 transactions · 58 neighborhoodsLand Building
Tamamura2025 · 11 transactions · 19 neighborhoodsLand Building
Kusatsu2025 · 7 transactions · 2 neighborhoodsLand Building
Shibukawa2025 · 62 transactions · 33 neighborhoodsLand Building
Meiwa2025 · 9 transactions · 14 neighborhoodsLand Building
Numata-City2025 · 44 transactions · 46 neighborhoodsLand Building
Fujioka2025 · 52 transactions · 36 neighborhoodsLand Building
Midori2025 · 39 transactions · 19 neighborhoodsLand Building
Nakanojo2025 · 13 transactions · 16 neighborhoodsLand Building
Kiryu2025 · 65 transactions · 45 neighborhoodsLand Building
Chiyoda-Town2025 · 13 transactions · 10 neighborhoodsLand Building
Katashina2025 · 1 transactions · 5 neighborhoodsLand Building
Itakura2025 · 9 transactions · 11 neighborhoodsLand Building
Annaka2025 · 41 transactions · 40 neighborhoodsLand Building
Shinto2025 · 11 transactions · 4 neighborhoodsLand Building
Kanra2025 · 11 transactions · 9 neighborhoodsLand Building
Kawaba2025 · 2 transactions · 5 neighborhoodsLand Building
Oizumi2025 · 32 transactions · 19 neighborhoodsLand Building
Ora2025 · 20 transactions · 11 neighborhoodsLand Building
Minakami2025 · 18 transactions · 28 neighborhoodsLand Building
Tomioka-City2025 · 43 transactions · 38 neighborhoodsLand Building
Kanna2022 · 2 transactions · 2 neighborhoodsLand Building
Nammoku2025 · 2 transactions · 5 neighborhoodsLand Building
Shimonita2025 · 7 transactions · 9 neighborhoodsLand Building
Naganohara2025 · 18 transactions · 0 neighborhoodsLand Building
Ueno2021 · 1 transactions · 1 neighborhoodsLand Building
Tsumagoi2025 · 37 transactions · 9 neighborhoodsLand Building
Higashiagatsuma2025 · 26 transactions · 17 neighborhoodsLand Building
Takayama2024 · 1 transactions · 2 neighborhoodsLand Building
MunicipalityTotal modelLand / build
Takasaki345 transactions · 201 neighborhoodsLandBuildMaebashi267 transactions · 164 neighborhoodsLandBuildYoshioka29 transactions · 8 neighborhoodsLandBuildOta-City163 transactions · 122 neighborhoodsLandBuildShowa-Village1 transactions · 5 neighborhoodsLandBuildIsesaki199 transactions · 116 neighborhoodsLandBuildTatebayashi81 transactions · 58 neighborhoodsLandBuildTamamura11 transactions · 19 neighborhoodsLandBuildKusatsu7 transactions · 2 neighborhoodsLandBuildShibukawa62 transactions · 33 neighborhoodsLandBuildMeiwa9 transactions · 14 neighborhoodsLandBuildNumata-City44 transactions · 46 neighborhoodsLandBuildFujioka52 transactions · 36 neighborhoodsLandBuildMidori39 transactions · 19 neighborhoodsLandBuildNakanojo13 transactions · 16 neighborhoodsLandBuildKiryu65 transactions · 45 neighborhoodsLandBuildChiyoda-Town13 transactions · 10 neighborhoodsLandBuildKatashina1 transactions · 5 neighborhoodsLandBuildItakura9 transactions · 11 neighborhoodsLandBuildAnnaka41 transactions · 40 neighborhoodsLandBuildShinto11 transactions · 4 neighborhoodsLandBuildKanra11 transactions · 9 neighborhoodsLandBuildKawaba2 transactions · 5 neighborhoodsLandBuildOizumi32 transactions · 19 neighborhoodsLandBuildOra20 transactions · 11 neighborhoodsLandBuildMinakami18 transactions · 28 neighborhoodsLandBuildTomioka-City43 transactions · 38 neighborhoodsLandBuildKanna2 transactions · 2 neighborhoodsLandBuildNammoku2 transactions · 5 neighborhoodsLandBuildShimonita7 transactions · 9 neighborhoodsLandBuildNaganohara18 transactions · 0 neighborhoodsLandBuildUeno1 transactions · 1 neighborhoodsLandBuildTsumagoi37 transactions · 9 neighborhoodsLandBuildHigashiagatsuma26 transactions · 17 neighborhoodsLandBuildTakayama1 transactions · 2 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.