What is the difference between a licence to assign and a deed of assignment?

A licence to assign is the landlord’s formal consent to the lease assignment. A deed of assignment is the document transferring the lease from the outgoing tenant to the incoming tenant. Many assignments require both documents.

Can a landlord refuse consent to assign a commercial lease?

A landlord can refuse consent if the refusal is reasonable, such as concerns about the assignee’s financial strength, proposed use, references, or breach of lease conditions. Where consent is required, refusal cannot usually be arbitrary or capricious.

What is an Authorised Guarantee Agreement in a lease assignment?

An Authorised Guarantee Agreement, or AGA, is a guarantee sometimes required from the outgoing tenant. It means the outgoing tenant guarantees the assignee’s performance of the lease obligations after assignment, usually until the assignee assigns the lease again.

Is the outgoing tenant still liable after assigning a commercial lease?

The outgoing tenant may remain liable if the lease requires an Authorised Guarantee Agreement or if historic lease rules apply. For newer leases, liability often ends on assignment unless an AGA or other guarantee is given.

What conditions are commonly attached to a commercial lease assignment?

Common conditions include landlord consent, payment of landlord’s legal costs, provision of assignee references, an Authorised Guarantee Agreement, rent deposit, guarantor, no existing tenant default, and completion of a formal deed of assignment.

What is the process for assigning a commercial lease?

The process commonly involves checking the lease, applying for landlord consent, satisfying consent conditions, negotiating the licence to assign, preparing the deed of assignment, completing the transfer, and notifying any relevant parties.

When can a commercial lease not be assigned?

A tenant usually cannot assign if the lease prohibits assignment, landlord consent is required but refused reasonably, assignment conditions are not met, or the tenant is in breach of lease terms that prevent consent being granted.

Is Stamp Duty Land Tax payable on a commercial lease assignment?

Stamp Duty Land Tax may be payable by the assignee depending on the premium, rent, lease term, and transaction value. SDLT rules are technical, so the assignee should check the current HMRC requirements before completion.

Does a commercial lease assignment need to be registered?

Registration may be required at HM Land Registry if the assigned lease is registered or if the transaction triggers registration requirements. Commercial leases originally granted for more than seven years are commonly registrable.

Can I sublet instead of assigning a commercial lease?

Yes, if the lease allows underletting. Assignment transfers the whole lease interest to a new tenant, while subletting creates a new lease under the existing lease and the original tenant remains the landlord’s tenant.

Does a commercial lease assignment have to be a deed?

Usually, a commercial lease assignment should be completed by deed because it transfers a legal estate in land. A properly drafted deed helps evidence the transfer and satisfy formal legal requirements.

What information is needed for a Deed of Assignment of Lease?

The deed should usually include the landlord, outgoing tenant, incoming tenant, lease details, premises address, assignment date, consideration, covenants, and any continuing obligations or guarantees linked to the assignment.

Can I generate a commercial lease assignment agreement online?

Yes. A commercial lease assignment agreement can be generated online using the lease details and assignment terms, but it should reflect the lease restrictions, landlord consent requirements, and any licence to assign conditions.

EN-GB>Commercial>Deed of Assignment of Lease>Assigning A Commercial Lease In The United Kingdom

Can A Commercial Lease Be Assigned In The United Kingdom?

Created: 11 Jun 2026

This flowchart helps tenants, landlords, and assignees understand when and how a commercial lease may be assigned in the United Kingdom. For related documents and guidance, see our AI Generated British Assignment of Lease category page.

Commercial Lease Assignment Decision Tool

Is this an existing commercial lease to be transferred?

Yes, an existing commercial lease

No or not sure

Assignment means transferring the tenant\'s lease to another party. This tool is for an existing commercial lease in the United Kingdom, not the grant of a new lease, a residential tenancy, or an informal business occupation arrangement.

Further Reading: GOV.UK - Commercial property leases

Disclaimer:

I understand and accept that the flowchart, questionnaire, decision tree, and any results, guidance, classifications, or recommendations provided by Docaro are generated automatically for general informational purposes only and do not constitute legal advice, legal representation, or any other professional advice. No solicitor-client, attorney-client, or other professional advisory relationship is created through use of this service. I acknowledge that the tool operates using simplified rules and assumptions and may not take into account all facts, circumstances, exceptions, legal requirements, or jurisdiction-specific considerations relevant to my situation. The results may be incomplete, inaccurate, outdated, or unsuitable for my particular circumstances. I agree that any outcome or recommendation provided by the tool is indicative only and should not be relied upon as a substitute for independent legal advice. I am solely responsible for verifying the accuracy and suitability of any information provided and for obtaining advice from a qualified legal professional where appropriate. To the fullest extent permitted by applicable law, Docaro disclaims all warranties and liability arising from the use of, or reliance upon, any information, outcome, recommendation, or guidance provided by this service.

Can A Commercial Lease Be Assigned In The United Kingdom?

A commercial lease can often be assigned in the United Kingdom, but only if the lease terms, landlord consent requirements, statutory rules, and completion formalities are properly followed. A deed of assignment of lease should not be treated as a simple transfer form: it can affect rent liability, guarantees, property title, tax, and the future ability to sell or occupy the premises.

Why Is Landlord Consent Important For A Commercial Lease Assignment?

Many UK commercial leases require the landlord\'s written consent before assignment. If consent is needed and the tenant completes without it, the tenant may breach the lease and risk enforcement action. In some cases, the landlord must not withhold consent unreasonably, but the lease may still allow reasonable conditions such as references, payment of arrears, a rent deposit, or an authorised guarantee agreement.

What Happens If The Lease Assignment Rules Are Wrong?

Using the wrong process can create serious problems for both the outgoing tenant and the incoming tenant. The assignment may be ineffective, HM Land Registry may reject the application, the landlord may refuse to recognise the assignee, or the outgoing tenant may remain liable for lease obligations. These issues can delay occupation, refinancing, sale of the business, or future property transactions.

Why Should A Deed Of Assignment Be Prepared Carefully?

A legal assignment of a commercial lease is normally made by deed. The deed should match the lease, any licence to assign, the property title, and the commercial agreement between the parties. It should also deal with practical points such as apportionments, completion, guarantees, notices, and registration.

Which UK Formalities Should Be Checked Before Completion?

Lease terms: check whether assignment is prohibited, conditional, or permitted.
Landlord consent: obtain a written licence to assign where required.
Authorised guarantee agreement: confirm whether the outgoing tenant must guarantee the assignee.
HM Land Registry: check whether the lease assignment must be registered.
Tax: consider SDLT in England and Northern Ireland, LBTT in Scotland, and LTT in Wales.
Notice: serve any required notice of assignment on the landlord after completion.

Getting these decisions right helps ensure the commercial lease assignment is valid, enforceable, and suitable for use in the relevant part of the United Kingdom.

Can a Commercial Lease Be Assigned in the United Kingdom?

This flowchart provides a simplified overview of legal concepts and should not be relied upon as legal advice. Always consider the specific facts of your situation and seek professional advice where appropriate.

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