Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice.
Updated June 2026 · England & Wales
If you've ever tried to rent a property with limited income, a thin credit file, or as a student, you'll know that a landlord may ask for a guarantor before handing over the keys. A guarantor is someone who agrees to step in and cover the rent (and often other tenancy liabilities) if the tenant doesn't pay.
It sounds straightforward, but the legal consequences of signing a guarantee are significant and frequently underestimated by the people who agree to act. This guide walks through how guarantors fit into tenancy law in England and Wales, what landlords typically look for, what obligations a guarantor actually takes on, and the practical issues that tend to cause disputes.
Whether you're a landlord weighing up whether to accept a proposed guarantor, a tenant arranging one, or a family member being asked to sign, the aim here is to give you a clear foundation before anything is committed to paper.
What this document is
A guarantor is a third party who provides a contractual promise to a landlord that, if the tenant fails to meet their obligations under the tenancy agreement, the guarantor will step into their shoes and make good the loss. This usually means covering unpaid rent, but well-drafted guarantees often extend to damage beyond the deposit, unpaid utility charges where the landlord is on the hook, and legal costs of recovery.
The arrangement is documented in a separate deed or clause known as a guarantee agreement, which sits alongside the tenancy itself. Because it creates personal liability that can extend well beyond the initial fixed term, the guarantee is a serious commitment and should never be signed casually.
Guarantees are particularly common in student lettings, joint tenancies where one tenant has weaker finances, sharer arrangements, and any situation where the landlord's affordability checks don't quite add up. The guarantor does not have a right to occupy the property, they simply underwrite the tenant's financial promises.
Once signed, they can be pursued directly by the landlord without the landlord first having to exhaust action against the tenant.
How to use this document
Decide whether a guarantor is genuinely needed. Before asking for or agreeing to a guarantor, think about why one is being requested. It may be because the tenant's income is below the landlord's threshold, because they're a student without earnings, or because their credit file raises concerns. Being clear on the reason helps both sides assess whether the guarantee is proportionate.
Check the proposed guarantor's suitability. Landlords typically want a guarantor who is a UK resident, over 18, in stable employment or with reliable income, and who owns property or has demonstrable assets. References, proof of income, and a credit check are standard. A guarantor who wouldn't pass the landlord's own affordability test for the rent is of limited real value.
Read the guarantee document carefully before signing. The scope of liability varies enormously between agreements. Some cover only rent; others extend to damage, legal fees, and the entire term including any statutory periodic continuation. Pay particular attention to whether liability continues after the initial fixed term and whether it covers rent increases agreed later.
Understand joint and several liability on shared tenancies. Where a guarantor backs one tenant in a house share, check whether the guarantee covers only that individual's share or the entire rent. Many landlord-drafted guarantees make the guarantor liable for the whole rent, not just a proportionate share, which can be a nasty surprise if co-tenants default.
Keep records and communicate if problems arise. Once in place, both the tenant and guarantor should keep copies of the tenancy and guarantee agreement. If the tenant struggles to pay, early communication with the landlord often produces better outcomes than silence. Guarantors who learn of arrears late frequently face a much larger bill than they would have done.
Q Does a guarantor's liability end when the fixed term ends?
Not necessarily. It depends entirely on the wording of the guarantee. Many guarantees are drafted to continue into any statutory periodic tenancy that arises after the fixed term, meaning the guarantor remains on the hook indefinitely unless and until the tenancy properly ends. If you only intend to guarantee the initial term, that limitation must be written clearly into the document before signing.
Q Can a landlord pursue a guarantor before chasing the tenant?
Yes, in most cases. A typical guarantee is drafted as a primary obligation, meaning the landlord can demand payment directly from the guarantor as soon as the tenant defaults, without first suing or pursuing the tenant. This is one of the reasons guarantees are so attractive to landlords and why guarantors should understand that signing places them on the front line, not in reserve.
Q Can a guarantor withdraw from the agreement?
Generally no, not unilaterally. Once the guarantee is signed and the tenancy begins, the guarantor is bound for whatever period the document specifies. Withdrawal usually requires the landlord's consent and often the tenant finding a replacement guarantor or alternative security. Some agreements include specific release provisions, but these are uncommon in standard landlord documents.
Q What happens if there are multiple guarantors?
Where more than one person guarantees a tenancy, they are typically made jointly and severally liable. This means the landlord can claim the full amount owed from any one of them, or split the claim between them. It does not mean each guarantor is only liable for a share. Internal arrangements between guarantors about who pays what are a matter for them, not the landlord.
Q Does a guarantor need to sign a deed?
In practice, guarantees are often executed as deeds because a deed avoids any argument about consideration, which can otherwise be a weak point in the contract. Executing as a deed requires the guarantor's signature to be witnessed. If the document is a simple contract rather than a deed, there should be clear consideration, such as the landlord agreeing to grant the tenancy in reliance on the guarantee.
Q Is a guarantor liable for damage to the property?
That depends on what the guarantee actually says. Some are limited strictly to rent, while others cover the full range of tenant liabilities including damage beyond the deposit, cleaning costs, and the landlord's legal fees in recovering sums owed. Always check the scope clause before signing, as broadly drafted guarantees can produce much larger liabilities than guarantors initially expect.
Q Can a guarantee be challenged in court?
Yes, though success is far from guaranteed. Courts have occasionally struck down or limited guarantees on grounds such as unclear drafting, failure to bring onerous terms to the guarantor's attention, or procedural issues with how the deed was executed. Consumer protection rules may also bite in some cases. Any challenge turns heavily on the specific wording and circumstances, so taking guidance early is sensible.
A guarantee agreement can create personal liability that lasts far longer and goes further than most people expect when they sign. An experienced legal adviser can talk you through what the arrangement typically involves and help you think through the key risks based on what you describe on the call.
✓Plain-English answers to your specific questions about guarantor arrangements
✓A clearer picture of what typical guarantee wording means in practice
✓What to watch out for before agreeing to guarantee a tenancy
✓Practical perspective on your next steps based on what you describe
Personal call · For information only · Independent advisers
Written & reviewed by
Brad Askew Solicitor (non-practising)
Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice. LegalDocuments.co.uk is not a law firm and does not provide regulated legal advice.
This article is for general information only. It is a tool to help you find your way — not legal advice, and not a substitute for speaking to a qualified adviser about your situation.