Understanding Ireland's Rent Increase Regulations

Tenant Rights & Responsibilities published July 05, 2025

Renters in Ireland have certain rights and protections regarding rent increases. The Residential Tenancies Act 2004 (as amended) sets out the legal framework for rent reviews and increases. Understanding these regulations can help tenants respond effectively to notifications of rent hikes.

What Does the Law Say About Rent Increases?

Under the Residential Tenancies Act 2004, landlords can only increase rent in line with the market rent. Furthermore, the rent cannot be reviewed more frequently than every 12 months for a tenant residing in the property. Additionally, any increase is subject to local Rent Pressure Zone (RPZ) restrictions where applicable.

Rent Pressure Zones

Rent Pressure Zones are areas where rent increases are strictly controlled to address issues of housing affordability. These localities are designated by the Irish government when annual rent growth exceeds a specified rate. You can verify if your area is within an RPZ on the Residential Tenancies Board (RTB) website.

Tip: Always verify if your dwelling is located within an RPZ, as this can significantly affect the allowable rent increase.

Responding to Rent Increase Notices

When receiving a rent increase notice, tenants should carefully review it to ensure compliance with legal requirements. The notice should include:

  • The amount of the new rent
  • The date the new rent takes effect
  • Confirmation of when the rent was last increased
  • In cases of RPZs, a statement indicating if the property is within one

If any of these details are missing or incorrect, the notice may not be valid.

Challenging an Unjust Rent Increase

If you believe a rent increase is unjustified, you may refer the case to the Residential Tenancies Board (RTB). This independent body is responsible for resolving disputes between landlords and tenants.

To challenge a rent increase, tenants need to complete and submit the Dispute Resolution Application Form available on the RTB website. Include all relevant documentation that supports your position.

Ensure you submit your dispute application within the specified timeframe to prevent the new rent from automatically taking effect.

Need Help? Resources for Renters

If you need further support regarding rent increases or any other tenancy issues, consider reaching out to:


  1. What should I do if my landlord increases my rent without notice?In Ireland, landlords must provide written notice for any rent increase. You should not accept a rent hike without prior notification. Contact the landlord for clarification or seek advice from the RTB for potential dispute resolution.
  2. Are there any restrictions on rent increases in Rent Pressure Zones?Yes, in RPZs, rent increases are capped according to specific limits set by the government. Tenants can check if their area is within an RPZ through the RTB.
  3. How soon must a rent increase take effect?Landlords are required to give tenants at least 90 days' notice before any rent increase takes effect. Ensure this timeframe is met in your notice.
  1. How to contest a rent increase in Ireland
    1. Review the rent increase notice to ensure all details comply with legal requirements.
    2. Gather documentation such as your current lease, previous rent increase notices, and evidence of RPZ designation.
    3. Complete the Dispute Resolution Application Form with the Residential Tenancies Board and submit it with all supporting documents.

Key Takeaways:

  • Verify if your area is a Rent Pressure Zone, as this affects allowable rent increases.
  • Ensure correct procedure and documentation for rent increase notices.
  • Contact the RTB for guidance if you need to dispute an increase.
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights Ireland

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for tenants everywhere.