Rent Increases in Poland (Act on the Protection of Tenants' Rights)

Rent increases for standard residential leases in Poland are strictly regulated by the Act of 21 June 2001 on the Protection of Tenants' Rights. Landlords cannot raise rent arbitrarily or with short notice — the law imposes a mandatory minimum 3-month notice period, effective at the end of a calendar month, and limits increase frequency to once every 6 months.

1. Mandatory 3-Month Written Notice (Art. 8a sec. 2 & 3)

Article 8a section 2 and 3 of the Act of 2001 establishes the mandatory notice requirement. A landlord must give the tenant at least 3 calendar months of written advance notice, effective at the end of a calendar month, before any rent increase takes effect. Notice must be in writing under penalty of nullity.

Tenant's right to contest (Art. 8a sec. 4): Upon receiving the notice, the tenant has 2 months to respond:

1. Accept (by silence or explicit agreement).
2. File a written refusal — which terminates the lease at the end of the notice period.
3. Apply to District Court (Sąd Rejonowy) to challenge whether the increase is legally justified.

Additionally, if the rent exceeds the 3% reconstruction value threshold, the tenant has 14 days to request a written justification and calculation.

2. Maximum Permitted Frequency: Every 6 Months (Art. 9 sec. 1b)

Article 9 section 1b of the Act of 2001 limits the frequency of rent increases. Rent and related charges (excluding pass-through utility fees beyond the landlord's control) cannot be increased more frequently than once every 6 months. The 6-month period runs from the date the previous increase took effect, not from the date of the notice.

3. Justification and the 3% Reconstruction Value Threshold

If a rent increase results in the annual rent exceeding 3% of the reconstruction value of the premises (wartość odtworzeniowa), or if the rent is already above this level, the landlord must—upon the tenant's written request made within 14 days—provide a written justification and calculation within 14 days (Art. 8a sec. 4a & 4b). Failure to provide this justification within the deadline renders the increase void. The reconstruction value is determined and published by the Voivode (Wojewoda) for each region.

GUS Inflation Benchmark (Art. 8a sec. 4e): An increase that does not exceed the average annual consumer price index (CPI) for the previous calendar year, as published by the President of the Central Statistical Office (GUS), is legally deemed justified.

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