Commercial and retail lease solicitors

Windsor, London & across England & Wales

Clear, practical advice on commercial and retail leases, for landlords and tenants. From heads of terms and rent reviews to renewals and disputes, you will have a solicitor who explains where you stand and agrees the fee before we start.

✓ Authorised & regulated by the SRA ✓ Free initial call ✓ Fixed-fee & hourly options ✓ Landlords & tenants

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A commercial or retail lease is one of the biggest commitments a business makes, and the terms you agree at the start can shape your costs and your flexibility for years. Whether you are a tenant taking on premises or a landlord letting them, it pays to understand exactly what you are signing before you commit.

Our commercial property solicitors advise landlords and tenants on leases of shops, offices, industrial units and other business premises. We explain the terms in plain English, negotiate the points that matter, agree how we will charge before we start, and make sure the lease works for the way you actually run your business.

How we can help

Heads of terms

Getting the commercial deal right before the lease is drafted, so it reflects what you and the other side actually agreed.

Rent and rent reviews

Understanding what you will pay, and how and when the rent can change, including the review method used, so there are no surprises later.

The term and break clauses

The length of the lease, any right to end it early, and what the conditions attached to a break clause really mean for you.

Repairs and dilapidations

Who is responsible for the condition of the property during the lease, and what may have to be put right when it ends.

Service charge and outgoings

How service charge, insurance, business rates and other costs are shared, and what you are committing to pay on top of the rent.

Assignment, subletting and use

Whether and how the lease can be transferred or space sublet, and what the premises are permitted to be used for.

Lease renewals and the 1954 Act

Security of tenure under the Landlord and Tenant Act 1954, and the process for renewing a business lease or bringing it to an end.

Lease disputes

Resolving disagreements over rent, repairs, service charge or the lease terms, by negotiation where possible and through the courts where needed.

Not sure where to start?

Tell us a little about your lease and we will explain your options and how we can help. Free initial call, no obligation.

Commercial and retail leases, explained

What is a commercial lease, and how is it different from a residential one?

A commercial lease, sometimes called a business lease, is a legally binding contract that lets a business occupy premises owned by someone else in return for rent. It covers shops and other retail units, offices, warehouses, industrial units and more. Commercial leases are usually far more detailed than residential tenancies, and much more heavily negotiated. There is no standard form, so the terms are tailored to the property and the deal, and business landlords and tenants have far more freedom to agree their own terms. That freedom is exactly why the detail matters, because getting the terms wrong at the start can be expensive and difficult to unpick later. It is wise to take legal advice before you make any commitment, including signing an offer, paying a deposit or moving into the property.

Negotiating the heads of terms

Most leases begin with heads of terms, a summary of the main commercial points agreed between landlord and tenant before the lease is drafted. These usually cover the rent, the length of the term, any rent-free period or incentive, rent review, repairing obligations, the permitted use, and whether the tenant can assign or sublet. Heads of terms are normally ‘subject to contract’, but they set the direction for the whole deal, so it is worth taking advice before they are signed. Many of the terms in a commercial lease are negotiable, including the rent and how it increases, the length of the lease, break rights, the alterations you can make, and what you can do with the property.

Rent, rent reviews and the term

The rent and the length of the term are the heart of the deal. The term is how long the lease lasts, and a longer term gives a tenant more security but less flexibility, while landlords often prefer to lock in a longer commitment. Many leases include rent reviews at set intervals, often every three or five years. There are different ways a review can be calculated, such as an open market review, a fixed increase, or a review linked to an index like RPI, and an ‘upward-only’ review means the rent will not fall even if market rents do. It is important to understand and agree the review method before you commit.

Break clauses and security of tenure

A break clause lets the landlord, the tenant, or both, end the lease early on a set date or dates. Break clauses almost always come with conditions, such as giving notice in a particular form and by a particular time, and paying the rent up to date, and if those conditions are not met exactly the break can fail. Separately, most business tenancies carry ‘security of tenure’ under the Landlord and Tenant Act 1954, which gives the tenant a right to renew at the end of the term. A lease can be granted outside that protection, but only if the correct procedure is followed before the lease is completed, so both sides should be clear from the outset whether the 1954 Act applies.

Repairing obligations, dilapidations and service charge

Repairing obligations decide who keeps the property in good condition, and they are one of the most costly parts of any lease. Many commercial leases are let on ‘full repairing and insuring’ terms, which put most of the responsibility on the tenant. The repairs and alterations section should set out who can make changes, who pays for them, and whether the tenant has to return the property to its original condition at the end, which is where a ‘dilapidations’ claim can arise. Where premises form part of a larger building, a service charge usually covers shared costs such as maintenance of common areas, and the tenant should understand how that charge is calculated and whether it is capped. Business rates, insurance and utilities are worth checking too, so you know the full cost of occupation, not just the rent.

Assignment, subletting and permitted use

‘Alienation’ is the part of the lease that governs whether you can pass the premises on, by assigning the whole lease to someone else or subletting part of it, and on what conditions. Most leases allow this only with the landlord’s consent, which usually cannot be unreasonably withheld. The ‘permitted use’ clause sets out what the premises can be used for, and a use that is too narrow can limit your business or make the lease harder to assign later. It is also worth checking the practical points, such as whether the lease covers all the areas you expect to use, including parking, bathrooms and common areas, and whether there are any restrictions on signage.

Lease renewals and the Landlord and Tenant Act 1954

When a protected business lease comes to an end, the Landlord and Tenant Act 1954 gives the tenant the right to ask for a new lease on similar terms, and sets out the notices and timescales that both sides must follow. A landlord can only oppose renewal on limited statutory grounds, such as wanting to redevelop or occupy the premises. The process is technical and the deadlines matter, so both landlords and tenants benefit from early advice, whether you are looking to renew, to renegotiate the terms, or to bring the lease to an end.

Resolving a dispute with your landlord or tenant

Disputes can arise over rent, rent reviews, repairs, service charge, a break notice or the terms of the lease itself. The sensible first step is to read the lease carefully and be clear about the rights and responsibilities on both sides. From there the options usually include negotiation, mediation, and where necessary court or tribunal proceedings. We advise landlords and tenants on the realistic options, the likely cost and the most efficient way to reach a resolution, and we look to protect the commercial relationship wherever that is possible.

How we work

  1. Your free first callA free, no-obligation call to understand the property and the deal, explain how we can help and give you a sense of the likely cost.
  2. Understanding your positionWe look at the premises, the heads of terms or draft lease, and what you want to achieve, whether you are the landlord or the tenant.
  3. A plan and a clear feeWe recommend the right approach and, wherever we can, agree a fixed fee up front, so you know exactly where you stand.
  4. We do the workWe review and negotiate the terms, raise or answer enquiries, and see the lease, renewal or assignment through to completion.
  5. Here when you need usWe are here for rent reviews, renewals, assignments and any questions that come up during the term.

Clear, agreed fees

Taking on or granting a lease is a significant commitment, so we are upfront about cost from the first call. For well-defined work such as reviewing a lease or advising on heads of terms, we can often agree a fixed fee. For larger or less predictable matters, such as a negotiated renewal or a dispute, we work on an hourly basis, and we always confirm the basis of our charges and give you an estimate before we start.
We are a private firm; all commercial lease work is privately funded.

Commercial and retail lease FAQs

What is a commercial lease?
A commercial lease is a legally binding contract that lets a business occupy premises, such as a shop, office or industrial unit, in return for rent. It sets out the rent, the length of the term, who is responsible for repairs and insurance, what the premises can be used for, and much more. Because there is no standard form, the terms vary from lease to lease and are worth checking carefully.
How is a commercial lease different from a residential tenancy?
Commercial leases are usually longer, far more detailed and much more heavily negotiated than residential tenancies. Business landlords and tenants have more freedom to agree their own terms, and different laws apply, including the Landlord and Tenant Act 1954. That freedom makes it especially important to understand what you are agreeing to before you sign.
Can I negotiate the terms of a commercial lease?
Often, yes. Points that are commonly negotiable include the rent and any rent-free period, how and when the rent is reviewed, the length of the term, break rights, repairing obligations, and what you can use the premises for. Taking advice at the heads of terms stage, before the lease is drafted, is usually the best time to shape the deal.
What is a rent review?
A rent review is a point in the lease when the rent can be reassessed, often every three or five years. It may be based on the open market rent, a fixed increase, or an index such as RPI. Many reviews are ‘upward-only’, meaning the rent will not go down. We explain how your review works and what it could mean for your costs.
What is security of tenure?
Most business tenancies are protected by the Landlord and Tenant Act 1954, which gives the tenant a right to renew the lease when the term ends, unless the landlord can rely on one of the limited statutory grounds to object. A lease can be granted outside this protection, but only if the correct procedure is followed first. We advise landlords and tenants on both.
What are dilapidations?
Dilapidations are breaches of the tenant’s repairing and condition obligations, usually assessed at or near the end of the lease. If the property has not been kept or returned in the state the lease requires, the landlord may bring a dilapidations claim for the cost of putting it right. Understanding your repairing obligations early helps avoid a surprise at the end of the term.
Can I assign or sublet my commercial lease?
It depends on the lease. Most allow assignment or subletting only with the landlord’s consent, which usually cannot be unreasonably withheld, and there may be conditions attached. If you think you may want to move on, share space, or bring in a new occupier, it is worth checking the alienation terms before you sign.
What should I do if I am in dispute with my landlord or tenant?
Start by reading the lease carefully so you are clear about the rights and responsibilities on both sides. From there, the options usually include negotiation, mediation, and where necessary court or tribunal proceedings. We help landlords and tenants weigh up the options, the likely cost and the realistic outcomes, and look to resolve matters as efficiently as possible.
Do you act for both landlords and tenants?
Yes. We advise landlords and tenants on commercial and retail leases, from granting or taking a new lease to reviews, renewals, assignments and disputes. Where there would be a conflict of interest we cannot act for both sides on the same matter, but we bring the perspective of having advised many of each.

What our clients say

4.6 out of 5 from 120 Google reviews

I’d been following Simarjot on LinkedIn for some time, never imagining that I’d one day need his services myself. Choosing Simarjot and his firm was an easy decision. Having followed his journey and learned more about his work ethic, I felt confident that I’d be in trustworthy…

Junaid R.Google review · Oct 2026

Zubair and Judge Law has meticulously completed the conveyance for us and kept us informed at each stage. I have done quite a few conveyancing but this one clearly stands out in terms of attention to details and the due diligence in the process. I would use them again and…

Miqdad M.Google review · Sep 2026

AJ communicated clearly throughout the entire conveyancing process and always responded promptly. AJ made the process of buying my property straightforward and stress-free. I was kept well informed at every stage, and everything was explained clearly. I’m very happy with the…

RjuttlaGoogle review · Sep 2026

This team is outstanding, excellent service, promt and efficient attention to all details I must just give a special mention to Muhammed, an incredibly professional and polite young man, a pleasure to do business with Thank you

Debbie K.Google review · Sep 2026

Thank you for an excellent efficient conveyancing service provided. Zubair kept the communication portal open and updated me frequently. Thank you. 🙏

Salma M.Google review · Sep 2026

Great Law firm, super efficient and welcoming, Sim was incredibly easy to talk to and knowledgeable. Overall a great experience, would definitely recommend.

Paul B.Google review · Jul 2026

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