Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
Buying or selling a small business often turns on one thing: the premises. If your location is key to your trade, you’ll likely need to transfer the existing commercial lease to the new owner so they can step in and keep trading without disruption.
That process is called a lease assignment. It’s common, but it isn’t automatic - it’s governed by your lease terms and UK law, and it almost always requires the landlord’s formal consent. Done well, it protects both the outgoing and incoming business owners. Done poorly, it can stall a completion, trigger unexpected liabilities or even put the deal at risk.
In this guide, we’ll break down what a transfer of lease to a new owner involves, when it’s allowed, the step-by-step process, key documents and costs, plus workable alternatives and risk traps to avoid.
What Does A Transfer Of Lease To A New Owner Actually Mean?
A “transfer of lease to a new owner” typically means assigning the tenant’s rights and obligations under a commercial lease to a buyer or another entity. Instead of starting a brand-new lease, the incoming party takes over the existing one from a specified completion date.
In legal terms, this is an assignment. The outgoing tenant (assignor) transfers its leasehold interest to the incoming tenant (assignee). The landlord’s title stays the same; only the tenant changes.
Key concepts you’ll see in this process include:
- Alienation clause: The lease’s “alienation” provisions set the ground rules for assignment (and often subletting). They usually say consent is required and set conditions the landlord can reasonably impose.
- Licence to Assign: A formal document where the landlord consents to the assignment, usually subject to conditions like references and guarantees.
- Deed of Assignment: The document that actually transfers the lease from outgoing to incoming tenant. If you want a refresher on what this is and how it works, see a plain-English overview of a Deed of Assignment.
- Authorised Guarantee Agreement (AGA): Often required under the Landlord and Tenant (Covenants) Act 1995, it’s a guarantee given by the outgoing tenant for the incoming tenant’s performance for a period of time.
If your business sale depends on the premises, it’s crucial to align the lease assignment with your sale documents, timelines and completion mechanics. Many small business sales pair the assignment with a tailored Business Sale Agreement so both transfers happen in sync.
Can You Transfer A Commercial Lease In The UK?
Generally yes - most commercial leases allow assignment, but almost always with conditions. The starting point is your lease’s alienation clause and any side letters. You’ll be looking for:
- Whether assignment is permitted: Some leases restrict assignment completely during an initial period or only allow one assignment in a given term.
- Consent requirement: Almost all leases require landlord consent, usually by way of a Licence to Assign.
- Conditions to consent: Typical conditions include satisfactory financial references, an AGA, a rent deposit from the incoming tenant, and no existing tenant defaults.
There are also important legal guardrails:
- Consent not to be unreasonably withheld: Under section 19(1) of the Landlord and Tenant Act 1927 (as developed by case law), and often reflected in the lease, a landlord must not unreasonably withhold or delay consent to an assignment where consent is required.
- 1995 Act liabilities: The Landlord and Tenant (Covenants) Act 1995 resets liabilities on assignment. Usually, the incoming tenant assumes future obligations, while the outgoing tenant can be required to give an AGA. If you’re selling, understanding the scope and duration of any AGA is key to limiting ongoing risk.
- Security of tenure: If your lease benefits from the Landlord and Tenant Act 1954, the right to renew/pass on protection may be relevant to the incoming tenant’s value assessment.
If you don’t have a formal written lease in place, you’re not out of options - but your leverage and rights are different. It’s worth getting clarity on what rights commercial tenants have without a lease before you proceed.
Before you get too far into negotiations, it’s sensible to have the documents reviewed so you know what the lease actually allows, what consents you need and what risks you’re carrying. A quick, practical Commercial Lease Review can flag deal-breakers early and save costly delays later.
How To Transfer A Lease To A New Owner: Step-By-Step
Here’s a practical sequence most small businesses can follow.
1) Check The Lease And Build Your Assignment Plan
Read the alienation clause, any break rights, rent review timing, pre-emption rights and any sector-specific conditions (for example, user clauses in a hospitality lease). Note required consents, timeframes and fees. If the business sale depends on assignment, align the sale contract with these conditions - for instance, by making completion conditional on the landlord granting consent.
2) Sound Out The Landlord Early
Engage the landlord (or managing agent) informally first to confirm the principle of assignment. Agree the process, what references they want (accounts, business plan, bank references, trade references) and expected conditions (AGA, rent deposit size, guarantor). Ask for a target timeline and the landlord’s legal fee estimate.
3) Assemble Your Buyer’s Pack
The incoming tenant should prepare financials, identity/KYC documents, and any sector credentials. For example, if you’re assigning a café or restaurant, include operational plans showing compliance with sector obligations (food hygiene, premises licensing etc.), similar to what you’d cover when negotiating a café or restaurant lease.
4) Agree Heads Of Terms
Set out the key commercial points in writing: assignment date, any arrears mechanism, apportionments, incoming rent deposit, whether any fit-out variations are needed, and who pays which costs. If the deal is part of a business sale, make sure the sale heads and lease heads are consistent.
5) Prepare And Negotiate The Documents
Typically three core documents are prepared:
- Licence to Assign (between landlord, outgoing tenant and incoming tenant).
- Deed of Assignment (between outgoing and incoming tenant).
- Authorised Guarantee Agreement (where required from the outgoing tenant).
There may also be a Rent Deposit Deed for the new deposit, a Deed of Variation if you’re changing terms, and an undertakings letter for costs. If the assignment forms part of a business sale, co-ordinate with your Business Sale Agreement so both exchanges and completions sync.
6) Satisfy Pre-Conditions And Complete
Work through the landlord’s conditions (e.g. provide references, execute the AGA, pay deposits and legal fees). On completion day, you’ll date the Licence to Assign and Deed of Assignment and hand over keys and apportionments. Make sure you serve any required notices, update direct debits and insurance arrangements, and notify the local authority/business rates team of the tenancy change.
7) Post-Completion Housekeeping
If the lease is for more than seven years, register the assignment at HM Land Registry (the title will show the new tenant). Add the new tenant to any landlord-required contact portals and provide evidence of insurance and compliance certificates if the lease requires it.
Tip: If you’re unsure whether the lease is still in a fixed term or has become periodic, it helps to understand rolling commercial tenancies and notice periods, as that can affect timing and notice mechanics during a transfer.
Documents, Consents And Typical Costs
Expect to encounter a handful of core documents and outgoings.
Core Legal Documents
- Licence to Assign: The landlord’s consent deed, often with conditions attached. It may include covenants from the incoming tenant to remedy any existing breaches, and an obligation on the outgoing tenant to enter an AGA.
- Deed of Assignment: Transfers all rights and obligations under the lease from the outgoing to incoming tenant. This is separate from any business sale documents. If you’re weighing the difference between transferring a lease vs another contract, remember that a lease assignment is distinct from a Deed of Novation you might use for service contracts.
- Authorised Guarantee Agreement (AGA): Often required by landlords. It means the outgoing tenant guarantees the incoming tenant’s performance until, for example, the end of the term or until the next lawful assignment. Negotiate scope carefully.
- Rent Deposit Deed: Sets the deposit amount, conditions for withdrawals and any top-up obligations.
- Deed of Variation (if needed): Used where the parties agree to tweak lease terms as a condition of consent - for example, to tighten user clauses or clarify repairing obligations.
Consents And Third-Party Approvals
- Landlord consent: Always expect it to be formalised in the Licence to Assign.
- Lender consent: If either party has a charge over the lease or business, you may need mortgagee consent.
- Superior landlord consent: If your landlord is themselves a tenant, the head landlord may also need to consent.
Typical Costs And Who Pays
- Landlord’s legal and agent fees: Most leases require the tenant to pay these. Get estimates up front.
- Each party’s legal fees: Outgoing and incoming tenants pay their own lawyers.
- Search, registration and SDLT: Land Registry fees may apply on registration. SDLT only arises if there’s a premium or other chargeable consideration for the assignment - get tax advice early.
- VAT and TOGC: If a business is sold as a going concern, VAT may be outside the scope as a TOGC, but conditions must be met. Ensure the sale contract deals with this clearly.
If you’re drafting from scratch, resist the temptation to rely on generic templates - leases are technical documents with long-term obligations. It’s safer to have tailored documents prepared or reviewed, much like you would for a targeted assigning a lease matter.
Alternatives And Risk Traps To Watch
Assignment isn’t the only option. Depending on your goals, one of these alternatives might suit you better - but each comes with its own risks.
Alternatives To A Straight Assignment
- Subletting: Instead of transferring your lease, you grant a sublease to the new operator and remain the tenant under the main lease. This can work where the landlord won’t consent to assignment or the new operator is still proving themselves. You’ll stay on the hook to the landlord, so make sure your sublease and protections are watertight. For context on drafting and obligations, see this overview of a sublet contract.
- Surrender and re-grant: You and the landlord can agree to end the existing lease and grant a fresh lease to the incoming tenant. This is tidier but depends on the landlord’s appetite and may change commercial terms.
- Licence to occupy: Short-term or flexible arrangements can be documented as a licence rather than a lease, but they won’t carry the same rights and protections. Use carefully and only where it suits the commercial reality.
Risk Traps To Watch
- Unpaid arrears and breaches: Most landlords will require you to clear arrears and remedy breaches before consent. Agree how historic issues are handled between seller and buyer.
- Dilapidations: Landlords may try to pin existing repair obligations on the incoming tenant. Assess the property condition and allocate responsibility. A schedule of condition can help.
- AGA scope: Don’t sign an AGA on open-ended terms without advice. Limit it to the next assignment or to specific obligations where possible.
- Use and change of use: Ensure the permitted use fits the incoming business. If planning permission is needed, make it a condition precedent.
- Break rights and rent review timing: Assigning just before a rent review or just after a break window can affect valuation and viability. Time your transaction accordingly.
- Periodic tenancies: If the term has ended and you’re holding over, understand how notice periods and the 1954 Act affect your timing and negotiating leverage.
- No written lease: Trading without a formal lease leaves gaps. Consider regularising the arrangement before or as part of the transfer; otherwise, your buyer may inherit uncertainty. If you’re in this position, get clear on tenant rights without a lease first.
If the proposed structure feels complex, you’re not alone - transactions that combine a lease transfer with the sale of a going concern need careful sequencing. Tying the pieces together with a well-drafted Business Sale Agreement and the right lease documents will keep your completion smooth.
Key Takeaways
- A “transfer of lease to a new owner” is usually a lease assignment - the incoming tenant steps into the existing lease, not a brand-new one.
- Start with your lease’s alienation clause. Most assignments need landlord consent via a Licence to Assign, and consent must not be unreasonably withheld or delayed in most cases.
- Plan the process: approach the landlord early, prepare buyer financials, agree heads of terms, and line up the Licence to Assign, Deed of Assignment and any AGA or Rent Deposit Deed.
- Budget for landlord legal and agent costs, your own legal fees, and registration fees. Consider VAT/TOGC and any SDLT on a premium.
- Alternatives like subletting or a surrender and re-grant can work where assignment isn’t suitable, but they carry different risks and liabilities.
- A quick Commercial Lease Review and tailored documents for assigning a lease will help you avoid delays, limit ongoing guarantees and complete with confidence.
If you’d like help transferring a commercial lease to a new owner - or you want us to prepare or review the Licence to Assign, Deed of Assignment and related documents - you can reach our friendly team on 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.

