Are Unusual Tenancy Clauses Enforceable in Wales?

Renting a home in Wales often comes with a tenancy agreement full of rules. Some are expected, but others might seem odd or excessive. If you’ve discovered unusual clauses in your contract—like bans on overnight guests or restrictions on working from home—it’s important to know what’s legally enforceable. This guide explains your rights under Welsh law and offers practical steps to protect yourself.

Understanding Tenancy Agreements and Unusual Clauses

A tenancy agreement is a legal contract between you and your landlord that details the rules for living in your rented home. In Wales, since December 2022, most private renters are on an "occupation contract" under the Renting Homes (Wales) Act 2016[1]. This contract separates rules into two types:

  • Fundamental terms: Required by law and can rarely be changed.
  • Supplementary/Additional terms: Can be changed if you and your landlord agree, but can’t go against the law.

Some landlords add unusual or special clauses to tenancy agreements—for example, no pets, visitor restrictions, or fees for minor damage. But are these always legal or binding?

What Makes a Tenancy Clause Enforceable in Wales?

For a clause to be enforceable, it must:

  • Comply with the Renting Homes (Wales) Act 2016
  • Be fair—meaning it does not create an imbalance against the renter, according to the Consumer Rights Act 2015[2]
  • Not attempt to waive your basic legal rights (for example, you cannot sign away your right to safe accommodation)

Common examples of unenforceable clauses:

  • Extreme penalties for minor breaches (like large fees for moving a piece of furniture)
  • A ban on children or on receiving visitors (discrimination or basic privacy rights infringement)
  • Clauses that require you to pay for all repairs, even those the landlord is responsible for
  • Any rule contradicting housing, consumer, or equality law

If you’re unsure whether a clause is legal, you can challenge it. Start by discussing your concerns with your landlord. If that fails, you can seek free advice or take action through official channels.

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Challenging an Unfair or Unusual Clause

If your contract has a clause you believe is unfair or not enforceable, here’s what you can do:

  • Speak to your landlord: Polite negotiation can resolve many issues.
  • Check your written contract: Ensure the clause actually appears and whether it’s supposed to apply to your type of tenancy.
  • Seek advice: Contact Shelter Cymru or Welsh Government Renting Homes service.
Remember: You have the right to challenge a clause you believe is unfair, especially if it contradicts Welsh law or your basic rights as a tenant.

How to Make a Formal Complaint or Challenge

Practical Scenario: If your agreement says you must pay an unusually high fee for every guest, you can challenge the term under the Consumer Rights Act 2015 and apply to the tribunal for a ruling.

Relevant Official Forms

  • Form RHW23: Application to Tribunal for a Determination Regarding a Term—Used if you wish to challenge the fairness or legality of a tenancy term.
    Find the form and details at Residential Property Tribunal Wales forms.

Before applying to the Tribunal, keep a record of communications with your landlord and get independent advice if possible. The Tribunal will look at whether the clause is transparent, fair, and legal under Welsh and UK law.

FAQ: Unusual Tenancy Clauses in Wales

  1. Can my landlord ban all pets even if I have a support animal?
    No. Landlords can reasonably refuse some pets, but must make exceptions for support or assistance animals and follow equality law.
  2. If my contract contradicts the law, do I still have to follow it?
    No, contract clauses that contradict the Renting Homes (Wales) Act 2016 or other laws are generally not enforceable.
  3. Can my landlord add unusual new clauses during my tenancy?
    Changes usually require your agreement and proper notice as set out by law. You don’t have to accept unfair new terms.
  4. Where can I challenge an unfair tenancy clause in Wales?
    The Residential Property Tribunal Wales is the official body for challenging tenancy terms.
  5. Are fines or charges for minor rule-breaking always legal?
    No, penalties must be fair and reflect actual loss or damage, not used to punish or profit from renters.

Conclusion: Key Takeaways for Renters

  • Unusual tenancy clauses must comply with Welsh law and be fair to be enforceable.
  • You have the right to challenge any term you believe is unfair, using official forms and support services.
  • For any dispute, get help early from trusted resources like Shelter Cymru or the tribunal’s guidance service.

Understanding your rights can help you live confidently in your rented home without fear of unfair contract terms.

Need Help? Resources for Renters


  1. Renting Homes (Wales) Act 2016 — Welsh Government
  2. Consumer Rights Act 2015 — UK Government Legislation
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights UK

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