The BOJ set the overnight policy rate around 1.0%
At its July 30-31 Monetary Policy Meeting, the Bank of Japan decided by an 8-1 vote to guide the uncollateralized overnight call rate at around 1.0% until the next meeting. This represents a further normalization from the 0.75% policy-rate level seen earlier in 2026. The BOJ rate is not identical to the mortgage rate offered by an individual bank, and floating and fixed-rate mortgages are priced through different mechanisms. Nevertheless, higher short-term market rates can affect banks' funding conditions and benchmark lending rates. After years in which very low financing costs supported both home prices and borrowing capacity, interest rates are again becoming a material constraint on residential demand.
The same purchase price can produce a different monthly burden
Borrowers need to distinguish between the maximum amount a lender is prepared to approve and the amount a household can comfortably service. As interest rates rise, a mortgage with the same principal can require higher monthly and lifetime payments. Floating-rate borrowers should examine the lender's specific rules on interest-rate resets and payment adjustments rather than comparing only introductory rates. This is particularly important in Tokyo, where mortgages can be very large and seemingly small changes in rates can accumulate into substantial differences over a long repayment period. Fixed-rate products reduce future rate uncertainty but may involve a different initial cost trade-off.
Foreign buyers face additional underwriting constraints
Mortgage availability for foreign residents in Japan depends on factors including residence status, Japanese income, employment, down payment and domestic credit history. Non-resident financing is available from a smaller group of lenders, while investment-property loans use underwriting standards and pricing that differ from owner-occupied mortgages. The old assumption that Japan is simply a 'low-interest-rate market' is therefore less useful when setting a purchase budget. Buyers in 2026 should model not only today's mortgage rate but also repayment capacity under higher-rate scenarios, the size of their equity contribution, expected holding period and the outstanding loan balance at a future sale. BOJ decisions now matter directly to property affordability as well as financial-market pricing.