Guide to Rent Increases in Ireland

Rent increases can be a significant concern for tenants in Ireland. Understanding your rights and the rules under the Residential Tenancies Act 2004 is crucial to ensure you're not subject to unjust rent hikes. In this guide, we'll explore how rents can legally increase, your rights as a tenant, and what steps you can take if you believe an increase is unfair.

Understanding Rent Increase Regulations

The Residential Tenancies Act 2004, as amended, provides a framework for how landlords can increase rent. It's essential for tenants to understand these regulations to ensure compliance and protect their rights.

Frequency of Rent Increases

Under current regulations, a landlord can only increase rent once every 12 months. This rule applies unless otherwise specified in the tenancy agreement.

Notifying Tenants of Rent Increases

  • Landlords must provide at least 90 days’ written notice before increasing the rent.
  • The notice must specify the amount of the new rent and the date it will take effect.

Failure to provide the correct notice or adhere to legal requirements may invalidate the rent increase, offering grounds for tenants to dispute it.

Challenging Unfair Rent Increases

Grounds for Dispute

If you believe a rent increase is unjust or fails to comply with regulations, you can contest it. Potential grounds for dispute include incorrect notice periods or significant deviances from market rents in the area.

Steps to Challenge

If you decide to challenge a rent increase, here’s what you need to do:

  1. Review the Notice: Ensure that it meets the legal requirements outlined by the Residential Tenancies Act.
  2. Gather Evidence: Document comparable rents in your area or inconsistencies with the tenancy agreement.
  3. File a Complaint: Submit a complaint to the Residential Tenancies Board (RTB) if necessary. Include all documentation and evidence.

Conclusion: Key Takeaways

  • Understanding your rights under the Residential Tenancies Act is crucial.
  • Always verify that any rent increase complies with legal requirements.
  • Don't hesitate to seek recourse through the RTB if an increase appears unjust.

Need Help? Resources for Renters

If you're facing difficulties or have questions, the following resources can assist:


  1. What can I do if my landlord increases rent more than once a year?

    Under the Residential Tenancies Act, rent can typically only be increased once every 12 months. If your landlord attempts more frequent increases, you may have grounds for dispute through the RTB.

  2. How much notice must my landlord give me before a rent increase?

    Your landlord must provide at least 90 days' written notice before a rent increase takes effect.

  3. Where can I find help if I disagree with a rent increase?

    You can reach out to the RTB to file a complaint or seek advice from an organization like Threshold.

  1. How to contest a rent increase with the RTB?

    Review the landlord's notice for legal compliance and gather evidence of comparable rents. Then, submit a complaint to the RTB.

  2. How to gather evidence for a rent increase dispute?

    Document discrepancies in notice and compare your rent with similar properties in your area to build a strong case.

  3. How to submit a complaint to the RTB?

    File your complaint via the RTB’s official website, including all necessary documentation.

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.