How to Respond to Rent Increase Notifications and Renegotiation Tactics—A Complete Guide to Tenant Rights Protected by the Building and Land Lease Act
What should you do when you receive a sudden rent increase notification? This guide systematically explains the Building and Land Lease Act provisions, tenant rights, negotiation tactics, and legal procedures from deposits with the court to mediation.
Since 2024, against the backdrop of rising construction material costs, labor wages, and general prices, rental property owners across the country have increasingly issued rent increase notifications. Many tenants are troubled by a sudden "rental rate revision notice," but rent increases are governed by clear legal procedures and tenant rights under the law. This article systematically explains the legal grounds, response procedures, and negotiation tactics when you receive a rent increase notification.
Is a Rent Increase a Unilateral Right of the Landlord?
To put it simply, a landlord cannot unilaterally raise the rent without the tenant's consent.
Article 32 of the Building and Land Lease Act states: "When the rent for a building becomes unreasonable in light of increases or decreases in taxes and other burdens on the land or building, changes in the land or building's value, or other economic fluctuations, or when compared to rent for similar buildings in the vicinity, then notwithstanding the terms of the contract, either party may request an increase or decrease in the monthly rent of the building going forward."
In other words, while the landlord has the "right to request a rent increase," the rent will not automatically increase unless the tenant consents. If the tenant refuses the increase, they can continue the legal dispute while protecting their right to occupy the property by depositing the former rent with the court.
Initial Steps to Take When You Receive a Rent Increase Notification
Step 1: Verify the Contents of the Notification
A rent increase notification delivered by mail or email should include the following information:
•The revised rental amount
•The effective date of the increase
•Reasons for the increase (rise in property taxes, increased repair costs, rising neighborhood rental rates, etc.)
If no reason is specified, you can request that the property management company disclose the reasons in writing.
Step 2: Research Neighborhood Rental Rates
Use rental portals such as SUUMO, HOME'S, and Athome to compare properties in the same area with similar conditions. If the revised rent is significantly higher than neighborhood market rates, there is room for negotiation.
Step 3: Calculate the Financial Impact of the Rent Increase
A 2,000 yen monthly increase adds up to 24,000 yen annually. Compared to moving costs (initial fees of roughly 200,000–400,000 yen), accepting a small increase may be more economical than relocating.
Negotiation Strategy Basics
Confirm the Legal Grounds for the Increase
The conditions under which a rent increase is permitted (Article 32 of the Building and Land Lease Act) are three:
Increase in tax burdens such as property taxes
Changes in prices and economic conditions (construction material costs, management expenses, etc.)
Current rent is too low compared to rental rates for similar buildings in the neighborhood
If the landlord cannot provide evidence (tax assessment notices, neighborhood market data), the basis for the rent increase becomes weak.
Negotiation Stance: Leverage Your Track Record of Long-Term Occupancy
A long-term tenant provides value by saving the landlord costs associated with tenant turnover and new leasing (renovations, brokerage fees). It makes sense to negotiate along these lines: "I'd like to continue renting long-term, but could we reduce the increase to roughly half?"
Propose Gradual Increases
A proposal like "Instead of a 2,000 yen monthly increase all at once, spread it over three years (500 yen in year 1, 1,000 yen in year 2, 500 yen in year 3)" is more likely to be accepted by the landlord, as it guarantees stable income.
Legal Procedures If You Cannot Reach Agreement
If the tenant cannot agree to the increase, the following options are available.
Deposit the Former Rent with the Court
Using the court's "payment deposit" procedure, you can deposit the former rent each month to avoid the risk of being considered to have refused payment, while continuing the legal dispute. The deposit procedure can be handled at the court office or by mail.
File for Mediation
Apply for "civil mediation" at a summary court, where discussions are held with a neutral third party (conciliation commissioner). The cost is only a few thousand yen, and you don't need a lawyer. In most cases, mediation results in an agreement.
Litigation (Rent Adjustment Lawsuit)
If mediation fails, the case may proceed to litigation where the court determines the appropriate rent. At this stage, attorney fees may be incurred, so you need to carefully consider the cost-benefit ratio relative to the increase amount.
Differences in Rent Adjustments for Fixed-Term Leases
Unlike standard (indefinite) leases, fixed-term leases can include "rent revision clauses." For example, if the lease includes a clause stating "rent can be revised within 1.5% annually in line with the Consumer Price Index (CPI)," a rent increase based on this would be valid.
If "rent revision clauses" are specified in your lease agreement, review the terms and plan your response accordingly.
When You Should Consider Moving Instead
The following situations make moving more economically rational than negotiating an increase:
•The revised rent is 15% or more above neighborhood market rates
•The building is aging and maintenance conditions are deteriorating
•Changes in lifestyle or workplace have reduced the location's benefit
•The rent savings over 2–3 years exceed moving costs
If you decide to move, be sure to follow proper notice periods (typically 1–2 months) and confirm your security deposit settlement.
Summary: Respond Calmly to Rent Increase Notifications
While a rent increase notification can be surprising at first, legally the landlord cannot unilaterally change your rent. First, research the neighborhood rental rates, verify the grounds for the increase, and if there is room for negotiation, use your track record as a long-term tenant to find a mutually acceptable solution. If you cannot agree, you have legal remedies such as deposits with the court and mediation. Carefully compare your options and make a decision.
When a rental property is sold and ownership changes, what happens to a tenant's leasehold rights? This article explains in detail the succession between old and new owners, the handling of security deposits, rent payment account changes, and what to do if pressed to vacate—all based on the Building and Land Lease Law.
