Replacing a housemate in a shared let

Replacing a housemate in a shared tenancy requires careful legal steps to protect both landlords and remaining tenants. This guide outlines the process, from referencing new occupants to updating tenancy agreements and d

6 min read · Updated 27 August 2026

Overview

When a tenant in a shared property wishes to leave, and the remaining tenants want to introduce a new housemate, the landlord must manage this transition carefully. This process involves legally ending the departing tenant's liability, formally accepting the new tenant, and updating all relevant documentation. Proper procedures ensure continuous rent payment, maintain deposit protection compliance, and clarify responsibilities for all parties. Failing to follow correct legal steps can lead to complex disputes and financial liabilities for the landlord.

Why it matters

Incorrectly managing a housemate replacement can expose landlords to significant risks, including challenges in pursuing rent arrears, invalidating guarantor agreements, or facing disputes over deposit deductions. Ensuring a seamless transition protects the landlord's income stream and legal standing. It also helps maintain good relationships with the remaining tenants, fostering a stable rental environment.

Legal requirements

All parties, including the landlord, all remaining tenants, and the departing tenant, must formally agree to any change to the tenancy agreement.
The new prospective tenant must undergo full referencing checks, including right-to-rent status, affordability, and previous landlord references.
The departing tenant's liability for rent and property condition must be formally concluded.
The tenancy agreement must be updated to reflect the new tenant, either through an addendum or a new agreement.
Any associated guarantor agreement for the departing tenant must be released, and a new guarantor agreement for the incoming tenant secured if required, referencing: /knowledge/tenancy-management/guarantors.
The tenancy deposit scheme provider must be notified of the change in tenants and any reallocation or re-protection of the deposit.
All necessary prescribed information regarding the deposit must be re-issued to all relevant parties within 30 days.
The landlord must obtain updated contact details for all current tenants and any new guarantors.
EPC requirements and electrical safety standards must remain compliant for the property.
Gas safety checks must be up to date before any new tenant moves in.

Common mistakes

Allowing a new tenant to move in without proper referencing or right-to-rent checks.
Failing to formally release the departing tenant from their tenancy obligations, leaving them liable.
Not updating the tenancy agreement, which can lead to disputes over who is responsible for what.
Neglecting to amend the deposit protection details, potentially invalidating the protection and incurring penalties.
Permitting a new tenant to occupy the property without securing a valid guarantor agreement if one was previously in place or is now required.
Not conducting a mid-tenancy inventory check when a tenant leaves and a new one joins, making deposit deductions difficult.
Delaying communication with the remaining tenants, leading to confusion and potential conflict.
Assuming the departing tenant automatically transfers their deposit share to the new tenant without formal agreement or record.

Practical guidance

Advise remaining tenants that any housemate replacement requires landlord approval and referencing.
Request the prospective new housemate to complete a comprehensive application form and provide necessary documentation for referencing.
Conduct thorough referencing checks, including right-to-rent, credit history, and previous landlord references.
Obtain written agreement from all current tenants and the departing tenant regarding the changes.
Prepare a formal Deed of Assignment or a new tenancy agreement reflecting the updated tenant list.
Adjust the tenancy deposit protection details with the scheme provider and issue new prescribed information.
Secure a new guarantor agreement if applicable, as outlined in /knowledge/tenancy-management/student-tenancies-and-guarantor-agreements.
Conduct a mid-tenancy inspection and inventory update, noting any changes in condition since the last check.
Communicate all changes clearly and in writing to all parties, keeping records for future reference, referencing: /knowledge/tenancy-management/tenant-communication-records-that-protect-landlords.
Ensure all safety certificates, such as Gas Safety and EICR, are valid and provided to the new tenant.

The Legal Framework for Tenant Changes

Under UK law, a tenancy agreement creates a binding legal relationship between the landlord and all named tenants. When a tenant wishes to leave a shared property and be replaced, it constitutes a change to this fundamental contract. This cannot be done unilaterally by the tenants. The landlord's consent is almost always required, and any changes must be properly documented. This usually involves either a Deed of Assignment, which transfers the departing tenant's rights and obligations to the new tenant, or the creation of an entirely new tenancy agreement for all remaining and incoming tenants. The choice often depends on the specific circumstances and the terms of the original agreement. Without formal documentation, the departing tenant may remain legally liable for the rent and any damages, and the incoming tenant may not have full legal rights, creating significant issues for all parties involved.

Referencing and Right to Rent Checks

Before any new housemate can move into a property, landlords must conduct comprehensive referencing. This includes checks on their financial standing to ensure they can afford their share of the rent, employment status, and obtaining references from previous landlords. Crucially, landlords must also perform a 'Right to Rent' check to verify the new tenant's immigration status and ensure they have the legal right to reside in the UK. Failure to carry out a proper Right to Rent check can lead to severe penalties, including fines and imprisonment for the landlord. These checks are vital to safeguard the landlord's investment and comply with immigration laws. Landlords should retain detailed records of all referencing and Right to Rent checks, including copies of documents, for at least one year after the tenancy ends.

Updating the Tenancy Agreement and Rent Liability

Once a new housemate has been approved, the tenancy agreement must be formally updated. This typically involves either a Deed of Assignment, where the departing tenant assigns their interest to the incoming tenant with the landlord's consent, or the creation of a brand new tenancy agreement with all current and new tenants named. A Deed of Assignment is generally simpler if the original terms remain largely the same. If a new agreement is issued, landlords should review and update any clauses as necessary. Importantly, the departing tenant's liability for rent and other obligations must be formally extinguished. Until this is done, they remain legally responsible. It is crucial to clarify with all parties exactly when the departing tenant's obligations cease and the new tenant's commence, especially concerning rent payment and potential liability for arrears, referencing: /knowledge/tenancy-management/dealing-with-rent-arrears-early-intervention.

Tenancy Deposit Protection Adjustments

When a housemate leaves and another joins, the tenancy deposit protection scheme must be updated. If a new tenancy agreement is issued, the deposit will typically need to be re-protected, and new prescribed information provided to all current tenants within 30 days. If a Deed of Assignment is used, the landlord must notify the scheme provider of the change in tenants. The departing tenant's share of the deposit should be formally accounted for, often paid directly to them by the incoming tenant or repaid by the landlord with deductions, with the incoming tenant then contributing their share. It is critical to ensure that the deposit remains legally protected throughout this process and that all tenants receive accurate and up-to-date prescribed information. Non-compliance can lead to significant penalties, amounting to up to three times the deposit value.

Variations Across the UK

While the general principles of tenant replacement are similar across the UK, specific procedural differences exist in devolved nations. In Scotland, the Private Residential Tenancy (PRT) introduced by the Private Housing (Tenancies) (Scotland) Act 2016 does not allow for joint and several liability in the same way as in England. If a tenant leaves, their part of the PRT effectively ends, and the remaining tenants would typically need to sign a new PRT with the landlord and the incoming tenant. In Wales, the Renting Homes (Wales) Act 2016 (fully commenced in December 2022) introduces 'occupation contracts' which have different rules for joint contracts and succession, requiring landlords to understand specific Welsh guidance on changing named contract-holders. Northern Ireland's tenancy laws largely mirror England's, but landlords should always check the latest specific Northern Ireland regulations and guidance regarding deposit protection and tenancy changes. Always consult country-specific official advice when dealing with tenancies outside of England.

Frequently asked questions

Can I simply allow a new housemate to move in without any paperwork?

No, allowing a new housemate to move in without formal paperwork is a significant risk. This can lead to issues with insurance, right-to-rent compliance, and deposit protection. The new occupant would not be a legal tenant, making it difficult to hold them accountable for rent or damages. The departing tenant would also remain liable. Always formally update the tenancy agreement and conduct all necessary checks.

Who is responsible for finding the replacement housemate?

Typically, the remaining tenants are responsible for finding a suitable replacement housemate, as they will be sharing the property with them. However, the landlord retains the right to approve or reject any proposed new tenant based on referencing, right-to-rent checks, and affordability criteria. The landlord should make it clear that while tenants can source candidates, final approval rests with the landlord.

What happens if the departing tenant does not want to sign a Deed of Assignment?

If a departing tenant refuses to sign a Deed of Assignment or cooperate with a new tenancy agreement, they may remain legally liable for the property. In such cases, the landlord might have to consider alternatives, which could include ending the entire tenancy for all tenants or pursuing the departing tenant for rent and damages. This is a complex situation that may require legal advice.

Do I need to conduct a new inventory when a housemate is replaced?

It is highly recommended to conduct a mid-tenancy inspection and inventory update when a housemate is replaced. This helps to document the property's condition at the point of change, clarifying responsibilities for any damage that may have occurred during the departing tenant's occupancy. Without this, attributing responsibility for damage at the final end of the tenancy can become extremely challenging, impacting deposit deductions.

Can I charge a fee for replacing a housemate?

Under the Tenant Fees Act 2019 in England, landlords and agents cannot charge fees for replacing a housemate, except for a 'variation of tenancy' fee. This fee is capped at £50 inc VAT, or the reasonable costs incurred if these are higher. This must be a genuine, provable cost, not just a standard charge. Similar rules apply in Wales. Scotland has different fee regulations under the PRT system. Always check country-specific legislation.

What if the remaining tenants cannot find a replacement housemate?

If the remaining tenants cannot find a suitable replacement, they remain jointly and severally liable for the full rent. The landlord is not obliged to find a replacement tenant for them. In such a scenario, the remaining tenants would need to cover the full rent themselves or consider formally ending the tenancy according to its terms. Landlords might offer assistance but are not legally bound to do so.

How do guarantor agreements work when a housemate leaves?

When a housemate with a guarantor leaves, that guarantor's liability usually ceases when the tenant's liability ends. A new guarantor agreement will typically be required for the incoming housemate if the landlord deems it necessary. It is crucial to formally release the old guarantor and have a new, properly executed guarantor agreement for the incoming tenant, referencing: /knowledge/tenancy-management/guarantors. This ensures continuous financial security for the landlord.

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This guide is general information for UK landlords and letting agents, not legal advice. Rules differ across England, Wales, Scotland and Northern Ireland, so check your local requirements or take advice before acting.