Rent Increase Rules for Tenants in Ireland

As a tenant in Ireland, staying informed about your rights regarding rent increases is crucial. The laws governing these matters are designed to ensure fairness and are detailed in the Residential Tenancies Act 2004 (as amended) and related regulations.

Understanding Rent Increases

Rent increases in Ireland are subject to strict legal guidelines to protect tenants from unfair practices. Landlords must adhere to specific criteria when implementing rent increases, which are designed to maintain affordability and fairness.

Legal Guidelines

  • Rent can only be increased once every 12 months.
  • The landlord must provide 90 days' written notice before the increase takes effect.
  • In Rent Pressure Zones (RPZs), increases are capped at a maximum of 4% annually.
  • The increase must be in line with market rates and justified by comparable properties.
Make sure to check if your rental property is located in a Rent Pressure Zone, as different rules may apply.

Challenging a Rent Increase

If you believe that a rent increase is unjustified, you have the right to challenge it. This process involves several steps:

  1. Request a Rent Review: Contact your landlord in writing to request a list of comparable properties justifying the increase.
  2. Submit a Dispute: If unsatisfied, you can submit a dispute to the Residential Tenancies Board (RTB).

Filing a dispute with the RTB requires submitting the appropriate forms:

  • RTB Dispute Application Form: Used to formally contest a rent increase. Access the form here.
  • RTB Rent Pressure Zone Calculator: Determine if your increase complies with RPZ rules. Use the calculator here.

Providing Notice

When receiving a rent increase notice, landlords must use the Rent Review Notice which complies with the requirements outlined by the RTB. Ensure that your landlord uses the appropriate format and provides all necessary documentation.

  1. Review the Notice: Ensure it contains the landlord's intention, the proposed increased rent, and the effective date.
  2. Check Compliance: Verify that the notice has a minimum of 90 days and that the increase complies with all local and national laws.

Need Help? Resources for Renters

If you're experiencing difficulties with a rent increase or any other rental issues, several resources are available to assist you:


  1. What happens if my landlord increases rent without proper notice?

    If your landlord increases rent without giving the required notice, the increase may be invalid, and you can challenge it with the RTB.

  2. How do I find out if I live in a Rent Pressure Zone?

    Check the RTB website or use their RPZ checking tool to see if your property is located in a designated Rent Pressure Zone.

  3. Can a rent increase be more than 4% in a Rent Pressure Zone?

    No, rent increases within Rent Pressure Zones are capped at 4% annually.

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.