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

FY2025 · FLAT 35 BORROWER SURVEY

Kochi average land and construction cost

Official averages for 34 Flat 35 borrowers in Kochi 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
34

Home and lot sizes in the survey

Median lot area
186.1 m²
Average floor area
105.1 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
Kochi2025 · 184 transactions · 206 neighborhoodsLand Building
Ino2025 · 11 transactions · 15 neighborhoodsLand Building
Shimanto-City2025 · 21 transactions · 32 neighborhoodsLand Building
Tosa-City2025 · 17 transactions · 7 neighborhoodsLand Building
Konan-City-392112025 · 33 transactions · 25 neighborhoodsLand Building
Kami-City2025 · 14 transactions · 29 neighborhoodsLand Building
Nankoku2025 · 12 transactions · 31 neighborhoodsLand Building
Susaki2025 · 10 transactions · 18 neighborhoodsLand Building
Sakawa2025 · 5 transactions · 7 neighborhoodsLand Building
Aki2025 · 8 transactions · 17 neighborhoodsLand Building
Hidaka-Village2025 · 5 transactions · 6 neighborhoodsLand Building
Geisei2024 · 3 transactions · 3 neighborhoodsLand Building
Motoyama2024 · 3 transactions · 3 neighborhoodsLand Building
Ochi2025 · 2 transactions · 2 neighborhoodsLand Building
Otoyo2025 · 1 transactions · 2 neighborhoodsLand Building
Toyo2025 · 3 transactions · 4 neighborhoodsLand Building
Kuroshio2025 · 4 transactions · 12 neighborhoodsLand Building
Sukumo2025 · 7 transactions · 17 neighborhoodsLand Building
Yasuda2025 · 2 transactions · 4 neighborhoodsLand Building
Tosashimizu2025 · 7 transactions · 21 neighborhoodsLand Building
Tosa-Town2025 · 2 transactions · 0 neighborhoodsLand Building
Muroto2025 · 6 transactions · 9 neighborhoodsLand Building
Shimanto-Town2025 · 7 transactions · 19 neighborhoodsLand Building
Yusuhara2023 · 4 transactions · 4 neighborhoodsLand Building
Niyodogawa2025 · 1 transactions · 9 neighborhoodsLand Building
Tano2025 · 1 transactions · 0 neighborhoodsLand Building
Mihara-Village2025 · 1 transactions · 2 neighborhoodsLand Building
Umaji2023 · 1 transactions · 2 neighborhoodsLand Building
Nakatosa2025 · 4 transactions · 3 neighborhoodsLand Building
Otsuki-Town2024 · 2 transactions · 5 neighborhoodsLand Building
Nahari2025 · 1 transactions · 1 neighborhoodsLand Building
Kitagawa2023 · 1 transactions · 2 neighborhoodsLand Building
Tsuno2025 · 4 transactions · 7 neighborhoodsLand Building
MunicipalityTotal modelLand / build
Kochi184 transactions · 206 neighborhoodsLandBuildIno11 transactions · 15 neighborhoodsLandBuildShimanto-City21 transactions · 32 neighborhoodsLandBuildTosa-City17 transactions · 7 neighborhoodsLandBuildKonan-City-3921133 transactions · 25 neighborhoodsLandBuildKami-City14 transactions · 29 neighborhoodsLandBuildNankoku12 transactions · 31 neighborhoodsLandBuildSusaki10 transactions · 18 neighborhoodsLandBuildSakawa5 transactions · 7 neighborhoodsLandBuildAki8 transactions · 17 neighborhoodsLandBuildHidaka-Village5 transactions · 6 neighborhoodsLandBuildGeisei3 transactions · 3 neighborhoodsLandBuildMotoyama3 transactions · 3 neighborhoodsLandBuildOchi2 transactions · 2 neighborhoodsLandBuildOtoyo1 transactions · 2 neighborhoodsLandBuildToyo3 transactions · 4 neighborhoodsLandBuildKuroshio4 transactions · 12 neighborhoodsLandBuildSukumo7 transactions · 17 neighborhoodsLandBuildYasuda2 transactions · 4 neighborhoodsLandBuildTosashimizu7 transactions · 21 neighborhoodsLandBuildTosa-Town2 transactions · 0 neighborhoodsLandBuildMuroto6 transactions · 9 neighborhoodsLandBuildShimanto-Town7 transactions · 19 neighborhoodsLandBuildYusuhara4 transactions · 4 neighborhoodsLandBuildNiyodogawa1 transactions · 9 neighborhoodsLandBuildTano1 transactions · 0 neighborhoodsLandBuildMihara-Village1 transactions · 2 neighborhoodsLandBuildUmaji1 transactions · 2 neighborhoodsLandBuildNakatosa4 transactions · 3 neighborhoodsLandBuildOtsuki-Town2 transactions · 5 neighborhoodsLandBuildNahari1 transactions · 1 neighborhoodsLandBuildKitagawa1 transactions · 2 neighborhoodsLandBuildTsuno4 transactions · 7 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.