Commercial lease solicitors
Our expert commercial lease solicitors provide strategic legal advice and comprehensive support throughout the lifecycle of your commercial property interests, from initial drafting and negotiation to renewals and surrenders.
Helping clients secure the right commercial lease on the right terms.
The commercial lease is the foundation of the relationship between landlord and tenant, yet it is often one of the most complex legal contracts a business will enter. A well-negotiated lease provides the security and flexibility needed for a business to thrive, while a poorly drafted one can lead to unforeseen costs, restrictive operational constraints, and long-term financial liabilities.
Choosing a solicitor with specific expertise in commercial property is essential. The legal landscape surrounding commercial tenancies is governed by intricate legislation, including the Landlord and Tenant Act 1954, and evolving environmental regulations. At Boyes Turner, our commercial lease solicitors combine technical precision with a commercial mindset, ensuring that your property assets remain an enabler of your business strategy rather than a risk.
- Experts in helping landlords and tenants achieve better lease outcomes.
- Trusted by landlords, tenants and investors across the UK and internationally.
- Commercially focused, proactive advice and responsive support when timing is critical.
- Commercial property advice backed by a full-service law firm and specialist disputes expertise.
Our commercial lease services
We provide a full suite of services tailored to the needs of landlords, tenants, and investors across the UK and internationally. Our commercial property experience spans a wide variety of sectors, including technology, life sciences, industrial, and retail.
Our core services include:
Drafting and negotiating new leases: We ensure that the terms of your lease, including break clauses, rent reviews, and repair obligations, are aligned with your operational goals.
Portfolio audits and management: Reviewing existing leasehold estates to identify upcoming break dates, renewal windows, and opportunities to improve portfolio efficiency.
Lease assignments and underletting: Assisting businesses in reorganising their portfolios by managing the legal transfer of leasehold interests.
Renewals and terminations: Navigating the statutory processes for lease renewals, including serving notices under the Landlord and Tenant Act 1954.
Licences for alterations: Securing the necessary consents for physical changes to a commercial premises to ensure compliance with leasehold covenants.
Rent review advice: Working alongside surveyors to document and formalise changes in rent, ensuring the legal paperwork is robust.
Lease surrenders and buy-outs: Negotiating and documenting the early termination of leases, including “exit” premiums, to allow landlords to regain possession or tenants to exit onerous liabilities.
Dilapidations and terminal claims: Advising on repair and reinstatement obligations at the end of a tenancy, working to limit or enforce financial claims for building disrepair.
Schedules of condition: Coordinating the legal integration of photographic and descriptive records into new leases to protect tenants from unfair future repair costs.
Commercial lease disputes: resolving matters efficiently through negotiation, mediation, or litigation to protect your commercial interests and minimise operational disruption.
Our commercial lease experience
We advise a diverse range of clients, our recent commercial property work includes:
Global portfolio management: Advising charities and not for profit organisations including a global Church organisation on its portfolio of over 200 Churches and ancillary buildings across the UK.
UK property portfolio management: Advising a global technology company on its UK property portfolio.
Corporate estate strategy: Advising a number of global corporates on the legal aspects of managing their commercial portfolios in the UK, working closely with their legal teams and other real estate professionals as an extension of their internal legal and real estate teams to manage risk and ensure projects are in time and to budget.
Commercial property relocating: Acting in the relocation of a pharmaceutical company’s headquarters from Lancing to a new warehouse and offices in Worthing.
Industrial acquisition: Advising on the £3.85 million freehold acquisition and leaseback (of part) of a 61,747 square foot industrial unit and ancillary offices in Southam, Warwickshire.
Charity portfolio strategy: Advising Cancer Research UK on its portfolio of laboratories across London and the South of England.
Lease acquisition: Advising on a new lease acquisition for a technology company reorganising its headquarters in Reading.
School acquisition: Advising a number of educational institutions including private schools around the country on the acquisition of school property, including construction and planning aspects of the leasehold interests.
Sale of investment properties: Advising on the sale by assignment of two long head leases of an investment property, comprising a petrol station, garage forecourt and sales suite for high value cars.
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Commercial lease FAQs
What is the Landlord and Tenant Act 1954 and why does it matter?
The Landlord and Tenant Act 1954 provides business tenants with “security of tenure,” meaning they have a statutory right to renew their lease at the end of the term. If a lease is “inside the Act,” the landlord can oppose renewal only on specific legal grounds, such as an intent to redevelop. Understanding whether the lease is inside or outside the Act is a critical part of long-term business planning for both landlords and tenants.
What are the common pitfalls in commercial lease negotiations for tenants?
Commercial lease negotiations involve balancing immediate costs with long-term flexibility. Failing to address specific clauses during the “heads of terms” stage can lead to significant liabilities that only become apparent years into the contract.
The most common pitfalls for tenants include:
Repair obligations: Many tenants unknowingly agree to “keep the property in good and substantial repair.” Without a Schedule of Condition (a photographic record of the property at the start of the lease), a tenant may be legally required to return the property to the landlord in a better state than they found it, leading to expensive ‘dilapidations’ claims.
Break clauses: Tenants often rely on a break clause to exit a lease early if the business needs change. However, if the clause is “conditional” on the tenant having performed every minor obligation (such as paying every penny of interest or repairing every minor scuff), failure to meet even one minor condition can invalidate the break, locking the tenant into the lease for the full term.
Inadequate provisions: As businesses evolve, the ability to assign the lease or underlet part of the space may be needed. A common issue is leases that prohibit underletting or impose overly strict financial tests on potential newcomers, making it impossible for the current tenant to exit a surplus site.
Hidden service charge costs: For multi-let buildings, failing to negotiate a service charge cap can leave a tenant vulnerable to sudden, large spikes in costs, such as the replacement of a roof. It is essential to ensure that “capital replacements” are excluded from the service charge where possible.
Ignoring the 1954 Act: Understanding whether a lease is “inside” or “outside” the Landlord and Tenant Act 1954 is often overlooked. A tenant who is “outside the Act” has no automatic right to stay when the lease ends, which can be devastating for a business that has built significant goodwill or invested heavily in a specific location.
Rent review issues: While upwards-only reviews are standard, the specific wording, such as whether the review is to “open market value” or linked to an index like CPI or RPI can lead to vast differences in future overheads. Failing to account for assumptions and disregards in the valuation can result in an artificially high rent.
What are the common pitfalls in commercial lease negotiations for landlords?
For landlords, protecting asset value and income are vital when signing a new tenant lease. Common pitfalls in commercial lease negotiations for landlords include:
Inadequate provisions: A common pitfall is allowing a lease to be “assigned” (transferred) to a new company without an Authorised Guarantee Agreement (AGA). Without an AGA, the landlord loses the ability to pursue the original tenant if the new one fails to pay the rent.
Security of tenure oversight: If a landlord intends to redevelop the property or move back in at the end of the lease, they must “contract out” of the Landlord and Tenant Act 1954. Failing to serve the correct statutory notices before the lease is signed gives the tenant an automatic right to renew, which can block the landlord’s long-term plans for the asset.
Vague reinstatement clauses: Landlords often find that at the end of a lease, a tenant leaves behind partitions or cabling that make the property harder to re-let. If the lease does not clearly stipulate the tenant’s duty to reinstate the property to its original layout, the landlord may be left with the cost of strip-out works.
How does a rent review work in a commercial lease?
A rent review is a formal mechanism within a lease that allows the rent to be adjusted to reflect the current market value or an index-linked increase. While most commercial leases in the UK specify an “upward-only” review every three to five years, the process is a critical point of negotiation for both parties to ensure the resulting figure is sustainable and fair.
For a tenant, the goal of rent reviews is to prevent rent from exceeding the true market value of the premises. Tenants should be wary of the ‘assumptions and disregards’ listed in the lease. For example, improvements the tenant has paid for should be added as disregards, so they are not effectively paying twice.
For landlords, the rent review ensures their investment keeps pace with inflation and market growth. The focus for landlords is on the assumptions section, for example, the building is kept in a good state of repair and could be let on the market. Landlords also need to work to strict time limits, and failure to serve notices within deadlines, or they may miss the opportunity to increase the rent for that period.
What are my repair obligations in a commercial lease?
In a standard commercial lease, repair obligations are typically governed by the principle of Full Repairing and Insuring (FRI), which shifts the financial burden of maintenance from the owner to the occupier.
For tenants: Tenants are generally responsible for keeping the premises in good repair. To avoid paying for “capital improvements” or construction flaws, tenants should negotiate to exclude inherent defects and limit their liability to the state of the property as recorded at the start of the lease.
For landlords: The tenant is usually responsible for the entire fabric of the building. Landlords must ensure the lease contains robust “entry and repair” clauses (often called Jervis v Huntley clauses), giving them the right to inspect the property and enforce repairs if the tenant allows the asset to deteriorate. In multi-let buildings, landlords typically manage structural repairs and recover costs via a service charge. Landlords must ensure they have the right to inspect the property and enforce repairs to prevent the asset from deteriorating.
What is a licence for alterations?
A licence for alterations is a formal legal document that grants a tenant permission to modify a commercial property. Most leases prohibit changes that range from structural work to simple partitioning, all without the landlord’s prior written consent.
For a tenant, this document ensures the fit-out or modifications are legally authorised, preventing future claims for breach of lease. It is also worth negotiating whether these works must be “reinstated” (removed) at the end of the term, as this can significantly impact exit costs.
For a landlord, a licence for alterations protects the building’s value. It allows your surveyors to review plans, ensure compliance with building regulations, and confirm that the tenant is responsible for all costs and insurance associated with the works.
Can a commercial lease be transferred to someone else?
The transfer of a commercial lease from one tenant to another is known as an assignment. While most leases allow for this, the process is subject to specific legal conditions.
For an assignment to be granted, the landlord must be satisfied with the incoming tenant’s financial standing and references. To bridge the risk of the new party defaulting, the outgoing tenant is almost always required to enter into an Authorised Guarantee Agreement (AGA). This legal covenant ensures that the original tenant remains liable for the lease obligations if the new tenant fails to perform them.
At Boyes Turner, our commercial lease solicitors facilitate this transition by ensuring the landlord’s consent is not “unreasonably withheld” and that the AGA is correctly drafted to ensure the outgoing tenant is fully released from liability as soon as a subsequent assignment occurs. Our solicitors also manage due diligence to ensure all rent, insurance, and service charge accounts are cleared, providing a “clean break” for the assignor and a clear start for the assignee.
What happens if I want to exit a commercial lease?
The process for terminating a lease early depends entirely on which party is initiating the exit and the specific provisions drafted into the agreement.
If the tenant wishes to exit – The tenant’s ability to leave early usually happens through three strategies:
Exercising a break clause: If the lease includes a break option, the tenant must serve a formal notice within a specific timeframe. It is vital to satisfy any “pre-conditions,” such as paying all outstanding rent, as failure to do so can invalidate the break and lock the tenant in for the full term.
Assignment or underletting: The tenant may find a new business to take over the lease (assignment) or become a sub-landlord (underletting). This requires the landlord’s consent and often involves the tenant signing an Authorised Guarantee Agreement (AGA), meaning they remain liable if the new party defaults on rent.
Surrender: If no break clause exists, the tenant can offer the landlord a “surrender premium”. This is a lump sum payment to mutually agree to end the lease.
If the landlord wishes to exit – A landlord’s right to terminate a lease is more restricted, particularly if the tenant has security of tenure:
Exercising a landlord break clause: Some leases grant the landlord the right to break the lease, often for redevelopment purposes. Like tenants, landlords must follow strict notice requirements.
Forfeiture: If the tenant has breached the lease (most commonly through non-payment of rent or insolvency), the landlord may have the right to “forfeit” the lease, effectively ending the tenancy.
Opposing renewal: If a lease is protected by the Landlord and Tenant Act 1954, the landlord can only end the lease at the expiry of the term by proving specific legal grounds, such as a desire to demolish or occupy the building themselves.
Mutual surrender: The landlord may approach the tenant to “buy them out” of the lease, which is common when the landlord wants to sell the building with vacant possession or undertake a major refurbishment.
Our commercial lease solicitors ensure that whichever party initiates the exit, the correct notices are served and a formal Deed of Surrender or Notice of Forfeiture is executed to release the parties from their future obligations and prevent subsequent claims.
What is the difference between a "protected" and "contracted out" lease?
The difference between a “protected” and “contracted out” lease lies within the “Security of Tenure” under the Landlord and Tenant Act 1954, which determines if a tenant has a legal right to stay after a commercial lease expires.
In a protected lease (“inside the Act”), the tenant has a statutory right to a new tenancy agreement. This secures the business’s continuity for the tenant, while the landlord can only regain possession by proving specific legal grounds, such as an intent to redevelop.
A contracted-out lease (“outside the Act”) offers no automatic renewal. The tenant must vacate at the term’s end unless a new deal is reached. This provides landlords with maximum flexibility but requires a strict legal process, including a formal warning notice and a tenant’s statutory declaration to be completed before the lease begins.
Why use our commercial property solicitors?
Results-driven property expertise
We are recognised for navigating complex leasehold structures and high-value transactions with an innovative approach. Whether acting for a landlord, tenant, or investor, our focus is on securing the most favourable commercial position while protecting the long-term value of the property asset.
Comprehensive, strategic, and proactive support
We advise across the full lifecycle of commercial property interests. By identifying potential liabilities at the “heads of terms” stage, we help clients build risk management, ensuring that portfolios remain resilient and aligned with long-term commercial goals. We also ensure you stay ahead of legislative shifts, such as evolving energy efficiency standards (MEES) and ensure parties are compliant with the latest laws.
Leading full-service law firm
Boyes turner is recognised in Chambers UK and the Legal 500 for commercial property work. As a full-service firm, we provide seamless support by coordinating with our specialist corporate, commercial, property and dispute resolution teams, ensuring every transaction is viewed through a wider commercial and legal lens.
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