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.

Average required funds
¥48.2M
Average land acquisition¥10.3M
Average construction¥37.8M
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 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
Kochi2025 · 184 transactions · 206 neighborhoods¥47.1MLand ¥7.8MBuilding ¥35.7M
Ino2025 · 11 transactions · 15 neighborhoods¥43.5MLand ¥4.2MBuilding ¥35.7M
Shimanto-City2025 · 21 transactions · 32 neighborhoods¥43.2MLand ¥3.9MBuilding ¥35.7M
Tosa-City2025 · 17 transactions · 7 neighborhoods¥42.9MLand ¥3.6MBuilding ¥35.7M
Konan-City-392112025 · 33 transactions · 25 neighborhoods¥42.6MLand ¥3.3MBuilding ¥35.7M
Kami-City2025 · 14 transactions · 29 neighborhoods¥42MLand ¥2.8MBuilding ¥35.7M
Nankoku2025 · 12 transactions · 31 neighborhoods¥41.8MLand ¥2.6MBuilding ¥35.7M
Susaki2025 · 10 transactions · 18 neighborhoods¥41.3MLand ¥2MBuilding ¥35.7M
Sakawa2025 · 5 transactions · 7 neighborhoods¥41.2MLand ¥1.9MBuilding ¥35.7M
Aki2025 · 8 transactions · 17 neighborhoods¥40.9MLand ¥1.7MBuilding ¥35.7M
Hidaka-Village2025 · 5 transactions · 6 neighborhoods¥40.8MLand ¥1.6MBuilding ¥35.7M
Geisei2024 · 3 transactions · 3 neighborhoods¥40.8MLand ¥1.5MBuilding ¥35.7M
Motoyama2024 · 3 transactions · 3 neighborhoods¥40.8MLand ¥1.5MBuilding ¥35.7M
Ochi2025 · 2 transactions · 2 neighborhoods¥40.8MLand ¥1.5MBuilding ¥35.7M
Otoyo2025 · 1 transactions · 2 neighborhoods¥40.4MLand ¥1.2MBuilding ¥35.7M
Toyo2025 · 3 transactions · 4 neighborhoods¥40.4MLand ¥1.1MBuilding ¥35.7M
Kuroshio2025 · 4 transactions · 12 neighborhoods¥40.4MLand ¥1.1MBuilding ¥35.7M
Sukumo2025 · 7 transactions · 17 neighborhoods¥40.3MLand ¥1.1MBuilding ¥35.7M
Yasuda2025 · 2 transactions · 4 neighborhoods¥40.3MLand ¥1MBuilding ¥35.7M
Tosashimizu2025 · 7 transactions · 21 neighborhoods¥40.3MLand ¥1MBuilding ¥35.7M
Tosa-Town2025 · 2 transactions · 0 neighborhoods¥40.2MLand ¥0.9MBuilding ¥35.7M
Muroto2025 · 6 transactions · 9 neighborhoods¥40.2MLand ¥0.9MBuilding ¥35.7M
Shimanto-Town2025 · 7 transactions · 19 neighborhoods¥40.1MLand ¥0.8MBuilding ¥35.7M
Yusuhara2023 · 4 transactions · 4 neighborhoods¥40.1MLand ¥0.8MBuilding ¥35.7M
Niyodogawa2025 · 1 transactions · 9 neighborhoods¥40.1MLand ¥0.8MBuilding ¥35.7M
Tano2025 · 1 transactions · 0 neighborhoods¥40.1MLand ¥0.8MBuilding ¥35.7M
Mihara-Village2025 · 1 transactions · 2 neighborhoods¥39.8MLand ¥0.6MBuilding ¥35.7M
Umaji2023 · 1 transactions · 2 neighborhoods¥39.8MLand ¥0.6MBuilding ¥35.7M
Nakatosa2025 · 4 transactions · 3 neighborhoods¥39.8MLand ¥0.5MBuilding ¥35.7M
Otsuki-Town2024 · 2 transactions · 5 neighborhoods¥39.6MLand ¥0.4MBuilding ¥35.7M
Nahari2025 · 1 transactions · 1 neighborhoods¥39.5MLand ¥0.3MBuilding ¥35.7M
Kitagawa2023 · 1 transactions · 2 neighborhoods¥39.5MLand ¥0.2MBuilding ¥35.7M
Tsuno2025 · 4 transactions · 7 neighborhoods¥39.4MLand ¥0.1MBuilding ¥35.7M
MunicipalityTotal modelLand / build
Kochi184 transactions · 206 neighborhoods¥47.1MLand¥7.8MBuild¥35.7MIno11 transactions · 15 neighborhoods¥43.5MLand¥4.2MBuild¥35.7MShimanto-City21 transactions · 32 neighborhoods¥43.2MLand¥3.9MBuild¥35.7MTosa-City17 transactions · 7 neighborhoods¥42.9MLand¥3.6MBuild¥35.7MKonan-City-3921133 transactions · 25 neighborhoods¥42.6MLand¥3.3MBuild¥35.7MKami-City14 transactions · 29 neighborhoods¥42MLand¥2.8MBuild¥35.7MNankoku12 transactions · 31 neighborhoods¥41.8MLand¥2.6MBuild¥35.7MSusaki10 transactions · 18 neighborhoods¥41.3MLand¥2MBuild¥35.7MSakawa5 transactions · 7 neighborhoods¥41.2MLand¥1.9MBuild¥35.7MAki8 transactions · 17 neighborhoods¥40.9MLand¥1.7MBuild¥35.7MHidaka-Village5 transactions · 6 neighborhoods¥40.8MLand¥1.6MBuild¥35.7MGeisei3 transactions · 3 neighborhoods¥40.8MLand¥1.5MBuild¥35.7MMotoyama3 transactions · 3 neighborhoods¥40.8MLand¥1.5MBuild¥35.7MOchi2 transactions · 2 neighborhoods¥40.8MLand¥1.5MBuild¥35.7MOtoyo1 transactions · 2 neighborhoods¥40.4MLand¥1.2MBuild¥35.7MToyo3 transactions · 4 neighborhoods¥40.4MLand¥1.1MBuild¥35.7MKuroshio4 transactions · 12 neighborhoods¥40.4MLand¥1.1MBuild¥35.7MSukumo7 transactions · 17 neighborhoods¥40.3MLand¥1.1MBuild¥35.7MYasuda2 transactions · 4 neighborhoods¥40.3MLand¥1MBuild¥35.7MTosashimizu7 transactions · 21 neighborhoods¥40.3MLand¥1MBuild¥35.7MTosa-Town2 transactions · 0 neighborhoods¥40.2MLand¥0.9MBuild¥35.7MMuroto6 transactions · 9 neighborhoods¥40.2MLand¥0.9MBuild¥35.7MShimanto-Town7 transactions · 19 neighborhoods¥40.1MLand¥0.8MBuild¥35.7MYusuhara4 transactions · 4 neighborhoods¥40.1MLand¥0.8MBuild¥35.7MNiyodogawa1 transactions · 9 neighborhoods¥40.1MLand¥0.8MBuild¥35.7MTano1 transactions · 0 neighborhoods¥40.1MLand¥0.8MBuild¥35.7MMihara-Village1 transactions · 2 neighborhoods¥39.8MLand¥0.6MBuild¥35.7MUmaji1 transactions · 2 neighborhoods¥39.8MLand¥0.6MBuild¥35.7MNakatosa4 transactions · 3 neighborhoods¥39.8MLand¥0.5MBuild¥35.7MOtsuki-Town2 transactions · 5 neighborhoods¥39.6MLand¥0.4MBuild¥35.7MNahari1 transactions · 1 neighborhoods¥39.5MLand¥0.3MBuild¥35.7MKitagawa1 transactions · 2 neighborhoods¥39.5MLand¥0.2MBuild¥35.7MTsuno4 transactions · 7 neighborhoods¥39.4MLand¥0.1MBuild¥35.7M

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.