What Happens After Requesting Consent To Assign A Commercial Lease In The United Kingdom?
Does the lease require landlord consent to assign?
Why Is Landlord Consent Important When Assigning A Commercial Lease?
In the United Kingdom, many commercial leases restrict assignment unless the landlord gives prior written consent. Getting this step right helps the outgoing tenant, incoming tenant, landlord, and any lender or buyer complete the transaction with confidence.
What Can Go Wrong If Consent Is Not Handled Correctly?
- Breach of lease: Assigning without required consent may breach the lease and trigger enforcement action.
- Delayed completion: Missing information, unclear service, or disputed conditions can hold up the business sale or property transfer.
- Unexpected liability: The outgoing tenant may remain liable under an authorised guarantee agreement or other lease obligations.
- Invalid or risky documents: A deed of assignment should match the lease, the landlord\'s consent, and any licence to assign.
- Disputes over refusal: Under the Landlord and Tenant Act 1988, a landlord must usually respond within a reasonable time and cannot unreasonably withhold consent where the lease requires consent not to be unreasonably withheld.
How Does A Clear Decision Process Help?
A structured process helps identify whether consent is needed, whether the request has been made properly, whether the landlord has responded in time, and whether any refusal or condition is reasonable. This supports better drafting of the licence to assign and deed of assignment, reduces avoidable delay, and helps parties decide when legal advice is needed.
When Should You Take Legal Advice?
You should consider UK legal advice if the lease wording is unclear, the landlord refuses consent, conditions seem excessive, the transaction is urgent, or the assignment forms part of a wider business sale. Commercial lease assignment can affect property rights, continuing liability, registration, tax, and completion obligations.

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