Introduction
The final stage in securing a commercial property is the legal exchange of contracts and completion of the lease or licence agreement with the landlord. This is the point where the transaction becomes legally binding and occupation of the premises can begin.
Understanding what happens during this process — and ensuring all checks are completed beforehand — will help prevent delays, unexpected costs or legal complications.
Exchange of Contracts and Completion
You are generally ready to exchange contracts when the following have been satisfied:
- Your solicitor or surveyor has completed all necessary legal checks and property investigations
- Both landlord and tenant have agreed the lease terms and documentation
- Searches and enquiries have been resolved satisfactorily
- Any required planning permission or landlord consent has been obtained
- Funding arrangements, deposits and professional fees are in place
- The agreed lease documentation reflects the Heads of Terms
Once contracts are exchanged, both parties are legally committed to proceed with the transaction.
1. Legal commitment before exchange
Until exchange of contracts takes place:
- The landlord may still negotiate with other potential tenants
- Terms can still be amended
- Either party may withdraw from the transaction
If you wish to secure the property while legal work is progressing, a lockout agreement (exclusivity agreement) may be negotiated. This prevents the landlord from negotiating with other parties for a defined period while the transaction proceeds.
2. Differences in Scotland
Commercial property law differs in Scotland.
In Scotland:
- The legal process involves “missives” rather than exchange of contracts
- Binding agreement may arise earlier in negotiations
- Lockout agreements are generally not required
Professional legal advice specific to Scottish law should always be obtained if the property is located there.
3. What happens between exchange and completion
After exchange, there is typically a short period before completion, although in many leasing transactions exchange and completion occur simultaneously.
During this period:
- Lease documents are finalised and signed
- Rent deposits are transferred
- Initial rent payments are arranged
- Insurance responsibilities are confirmed
- Completion statements are issued
- Occupation dates are agreed
If the lease involves significant fit-out works or landlord conditions, additional documentation may be required before completion.
4. Completion day
Completion is the point at which the lease formally begins and you obtain legal possession of the premises.
On completion:
- Funds are transferred to the landlord’s solicitor.
- Lease documentation becomes legally effective.
- The tenant receives access, keys or security arrangements.
- The rent commencement date begins (unless rent-free periods apply).
- The tenant can begin occupation and business operations.
Completion often takes place electronically through solicitors without the need for both parties to attend in person.
5. Financial payments at completion
At completion you may need to pay:
- Rent in advance (typically quarterly)
- Rent deposit (if required)
- Service charge apportionments
- Insurance contributions
- Legal fees
- Stamp Duty Land Tax (if applicable)
Your solicitor will provide a completion statement detailing all amounts payable.
Tenant Responsibilities Before Completion
Before taking occupation you should ensure:
- Utilities are arranged or transferred
- Insurance obligations are understood
- Fit-out permissions are confirmed
- Health and safety compliance is planned
- Licences or regulatory approvals are obtained (if required)
- Access arrangements are agreed with the landlord
Proper preparation helps ensure your business can operate immediately after completion.
6. Timing of completion
Completion timing varies depending on the transaction, but typically:
- Simultaneous exchange and completion occurs for licences and simple leases
- For more complex leases, completion may occur 2 to 4 weeks after exchange
- The agreed date will be specified in the Heads of Terms and lease documentation
Starting Your Business Operations
Once completion has taken place:
- Legal possession transfers to you
- You can begin occupation or fit-out works
- Your lease obligations commence
- Your business plans can be implemented
This marks the successful conclusion of the property acquisition process.
Summary
Exchange of contracts and completion represent the final legal steps in renting a commercial property. Once contracts are exchanged, both landlord and tenant are legally committed to proceed, and completion formalises occupation of the premises.
Careful preparation — including legal checks, financial planning and professional advice — helps ensure the process runs smoothly and allows you to begin operating from your new commercial premises with confidence.
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