Check whether the rent increase follows Welsh law
Most private renters in Wales occupy under a standard occupation contract. The contract should state the current rent and explain how it may be changed. Under the Renting Homes (Wales) Act 2016, a landlord generally has to give written notice of a proposed rent change and follow the procedure for your type of contract.[1]
For a periodic standard contract, the landlord normally uses a written rent variation notice, commonly known as form RHW12, and must usually give at least two months' notice before the new rent begins. Check the date, amount, address and method of service. A fixed-term contract may have different terms, so read the rent-review clause before responding.
Reasons to question the increase
- The notice does not use the required form or was not served correctly.
- The notice gives less than the required time or starts the new rent on the wrong date.
- The proposed amount conflicts with your occupation contract or an agreed rent cap.
- The increase appears linked to a complaint about repairs, discrimination or another protected right.
A landlord can usually seek a higher rent where the law and contract allow it, so a rent increase is not automatically unlawful just because it is unaffordable or higher than a neighbour's rent. However, affordability concerns can support a request to negotiate and may help you obtain urgent assistance.
Review the notice and your occupation contract
Compare the notice with your contract and make a timeline of when it was sent, how it was delivered and when the new amount is said to start. Check whether the notice is addressed to every contract-holder and whether the landlord or agent has used the correct contact details. Save the envelope, email headers, photographs and any text messages.
- Keep your occupation contract, rent statements, bank records and previous notices together.
- Record comparable local rents carefully, using properties with similar size, condition and facilities.
- Photograph unresolved repairs or poor conditions and keep copies of repair reports.
- Write to the landlord asking for the legal basis, start date and calculation of the proposed rent.
Try to negotiate in writing
Ask the landlord to pause or reduce the increase and explain the practical impact on your household. You could suggest a smaller increase, a later start date or a payment plan. Stay polite and factual, and do not agree to a new amount without checking how it changes your contract.
If you believe the increase is retaliation for reporting disrepair or asserting a legal right, say so clearly and keep evidence of the timing. A rent dispute does not remove your duty to follow other contract terms, and withholding rent can put you at risk of arrears and possession action.
Apply to the Residential Property Tribunal Wales
The official tribunal for residential tenancy disputes in Wales is the Residential Property Tribunal Wales. It can consider certain rent disputes under the Renting Homes (Wales) regime. Read the tribunal's current guidance and use its application process rather than relying on an old template.
When applying, explain the rent currently payable, the proposed rent, the date on the notice and why you believe the change should not take effect as stated. Include your occupation contract, the rent variation notice, payment records, relevant correspondence and evidence about comparable properties or disrepair. The tribunal may ask the landlord for a response and may set directions or a hearing.
There is no general rule that every rent increase must be approved by the tribunal before it starts. If you are unsure whether your case is within the tribunal's jurisdiction or what deadline applies, contact the tribunal promptly and obtain advice from Shelter Cymru, a local advice service or a solicitor.
Forms and documents to use
- RHW12, Landlord's notice proposing a new rent, is normally used by a landlord to notify a contract-holder of a rent change under a periodic standard contract; check that the details and notice period are correct.
- Residential Property Tribunal Wales application form or online application is used by a contract-holder who wants the tribunal to consider an eligible rent dispute; attach the notice and contract rather than sending only a complaint.
- There is no separate tenant form that cancels a rent increase automatically, so keep a written objection and proof of delivery while your application is considered.
What if you cannot afford the new rent?
Ask the landlord about a temporary arrangement, contact your local council about housing and homelessness support, and check whether you can claim help with housing costs. If you receive a possession notice, seek urgent advice because a rent challenge does not by itself prevent eviction. Your landlord must still follow the correct procedure and cannot lawfully use eviction as retaliation for protected complaints.
Frequently Asked Questions
- Can a landlord increase rent in Wales?
- Usually, a landlord can increase rent when the occupation contract and Welsh law allow it, but the required notice and procedure must be followed.
- How much notice should a Welsh tenant receive?
- For many periodic standard contracts, the landlord must usually give at least two months' written notice, but the contract and circumstances should be checked.
- Can I refuse a rent increase?
- You can object and negotiate, but simply refusing to pay may create rent arrears, so obtain advice about the contract and any tribunal route.
- Which tribunal handles rent disputes in Wales?
- The Residential Property Tribunal Wales handles eligible residential property and occupation-contract disputes in Wales.
How-To: Challenge a Rent Increase
- Read your occupation contract and the rent variation notice.
- Check the notice period, proposed start date and service method.
- Collect rent records, correspondence, comparable rents and repair evidence.
- Ask the landlord in writing to explain or negotiate the proposed increase.
- Contact the Residential Property Tribunal Wales promptly if an eligible dispute remains unresolved.
- Get urgent housing advice if you receive a possession notice or cannot pay.
Help and Support / Resources
- Residential Property Tribunal Wales for tribunal guidance and applications.
- Welsh Government renting homes guidance for occupation-contract information and forms.
- Shelter Cymru housing advice for practical support with rent, eviction and homelessness.
