Arbitration in Tenancy Disputes: A Guide for Renters in Wales

Dispute Resolution & Housing Tribunals Wales 4 min read · published March 09, 2026 Flag of Wales

If you’re renting a home in Wales and facing issues with your landlord—such as disagreements over repairs, rent increases, or ending your tenancy—you may have heard about arbitration as a way to resolve disputes. Arbitration is an alternative to court, aiming for a quicker, less formal solution to tenancy problems. This article explains how arbitration works in Welsh tenancies, how it compares to other resolution options, and practical steps for renters thinking about this route.

What Is Arbitration in Welsh Tenancy Disputes?

Arbitration is a process where both the renter and landlord agree to let an independent, qualified person (the arbitrator) review their dispute and make a binding decision. It is different from going to a housing tribunal or court, as it’s usually more flexible and private. This can be helpful for renters who want to resolve issues efficiently, without lengthy legal battles.

Before you start, gather key documents: your tenancy agreement, any notices or correspondence about repairs or rent, and a clear timeline of events. Check your tenancy agreement for an arbitration clause so both sides know its role.
  • Voluntary process: Both sides must agree to use arbitration.
  • Neutral arbitrator: The arbitrator has no stake in the outcome.
  • Binding outcome: Usually, both parties have to follow the arbitrator’s decision.

Arbitration in tenancy disputes may be used for:

  • Arguments over rent increases or unpaid rent
  • Repairs and maintenance issues
  • Disagreements about deposit deductions when you leave the property
  • Other breaches of tenancy agreements

In Wales, the use of arbitration is supported by the Renting Homes (Wales) Act 2016[1]. However, arbitration is not automatic and both parties must agree to use it, often as set out in your rental agreement.

Arbitration in Wales is voluntary unless a clause in your tenancy agreement requires it. If you and your landlord can’t agree, you can still apply to the Residential Property Tribunal Wales for a decision.

How Does Arbitration Compare to Other Dispute Routes?

You have several options if a disagreement arises:

  • Direct negotiation: Talking with your landlord first is usually advised.
  • Mediation: A trained mediator helps both sides find a compromise, but doesn’t decide the outcome.
  • Arbitration: An independent expert decides, with both sides usually bound by the result.
  • Applying to the tribunal: In Wales, this is the Residential Property Tribunal Wales[2].

Arbitration can be less intimidating than a formal tribunal, but not all disputes are suitable. For issues involving eviction or where legal rights are unclear, going to the Residential Property Tribunal Wales may be the right step.

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Official Forms and How to Use Them

If you’re considering arbitration, there may not be a standard government form unless your landlord or agent uses a professional arbitration service. But if your dispute progresses to a tribunal or you wish to challenge a landlord’s action (like a rent increase), specific forms are required.

Arbitration can be quicker and quieter than a tribunal, but it isn’t suitable for every issue. If eviction or serious legal rights are involved, the Residential Property Tribunal Wales is usually the safer route.

Example: Challenging a Rent Increase

  • Form: RHW20 – Application to determine rent
  • When to use: If you have received a rent increase notice under the Renting Homes (Wales) Act 2016 and believe the new amount is unfair, you can apply to the Residential Property Tribunal Wales for a decision.
  • How to use: Fill in the RHW20 – Application to determine rent form and submit it within one month of your landlord’s notice.
  • Example: If your landlord tries to raise your rent by more than similar properties in the area, use RHW20 to ask the tribunal for an independent review.

Steps if You Want to Use Arbitration

Arbitration is only possible if both you and your landlord agree to it—often stated in your tenancy agreement. Here’s how a renter in Wales might use arbitration:

  • Check your tenancy agreement for an arbitration clause. Sometimes, it says disputes must be resolved using this method.
  • If you and your landlord agree, contact a reputable arbitration service (your local council or Shelter Cymru can advise).
  • The arbitrator will listen to both sides and review any evidence you provide.
  • They make a decision you both must follow, unless your agreement allows appeals.
On starting arbitration, outline your facts in a brief timeline and keep copies of all evidence. If both sides agree, contact a reputable arbitration service and share your evidence to help the arbitrator make a decision.

What Is the Residential Property Tribunal Wales?

If arbitration isn’t suitable or agreed upon, you can apply to the Residential Property Tribunal Wales. This independent body handles cases about rent, repairs, eviction notices, and how much a landlord can charge. Learn more and find official forms on the Residential Property Tribunal Wales official website[2].

FAQ: Arbitration and Tenancy Disputes in Wales

  1. Is arbitration compulsory in Welsh tenancy disputes?
    If your tenancy agreement requires it, yes. If not, both you and your landlord must agree before using arbitration.
  2. Can I still apply to the Residential Property Tribunal Wales if I try arbitration first?
    Usually, if you’ve already accepted arbitration, the decision is binding. If no agreement is reached, you can apply to the tribunal—especially for unresolved rent or repair issues.
  3. What kinds of disputes are suitable for arbitration?
    Typically, rent disagreements, minor repair disputes, and deposit deductions can be solved through arbitration—but not eviction or illegal activity cases.
  4. How much does arbitration cost?
    Fees vary. Sometimes, costs are shared between landlord and tenant, but always check who pays before agreeing.
  5. What if the landlord refuses to use arbitration?
    Then you may use other routes, such as applying to the Residential Property Tribunal Wales, if your agreement allows.

Conclusion: What Renters in Wales Should Remember

  • Arbitration is voluntary unless required by your agreement.
  • It’s often faster and more private, but binding on both parties.
  • If arbitration isn’t possible, the Residential Property Tribunal Wales can help resolve your dispute.

Understanding your options can help you resolve disputes with confidence—always seek advice if unsure.

Need Help? Resources for Renters


  1. See the Renting Homes (Wales) Act 2016 for current tenancies law in Wales.
  2. Read about the Residential Property Tribunal Wales and its processes.

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Emma Clarke
Emma Clarke

UK Housing Rights Researcher, Tenant Rights UK

Emma covers private and social renting across England and Wales, with a strong grounding in the Renters (Reform) Act, Section 21 no-fault evictions, and deposit protection schemes. She has been writing about UK tenant rights and housing policy since 2017.