A commercial lease is often the second largest fixed cost a small business takes on, after its people, and it is the cost owners understand least at the moment they commit to it. The headline rent gets the attention in negotiation, while the clauses around that rent quietly decide what the premises will really cost over the full term. A shop, office, studio or light industrial unit can look affordable on the first page of the heads of terms and become expensive once uplifts, shared charges, repair duties and exit costs start to land. This guide reads the lease the way the bills will arrive, clause by clause, so you can price each one before you sign.
In short: commercial lease clauses that cost business tenants money
The real cost of a lease is the rent plus everything the clauses add to it.
- Escalation and rent review: how the rent rises during the term, and by what mechanism.
- Pass-through charges: the operating costs the landlord can bill on top of rent.
- Repairing duties: who pays to repair and maintain the premises, the structure and the equipment inside them.
- Personal guarantee exposure: whether your own assets stand behind the business rent.
- Break clause conditions: the exact steps you must complete to leave early, and how easily they can fail.
- End-of-lease restoration: dilapidations in the UK and make-good in the US, the cost of handing the property back in the state the lease requires.
A signed schedule of condition, agreed with photographs at the start of the term, is the tenant protection that runs through almost every item on this list.
Why the rent is only the first number
Most lease negotiations start and end with the rent, the term and the start date. Those numbers matter, but they describe only the first layer of the cost. Underneath them sits a stack of other charges and duties, each created by a clause and payable at a different point in the life of the lease. Owners who budget for the rent alone can find that the true occupancy cost is materially higher, and that the difference was in the lease from the day it was signed.
Think of the full cost stack in four parts. First, the rent itself, and how it changes over time. Second, the running charges passed through to tenants: operating costs, insurance, property taxes or rates where the lease moves them, and utilities. Third, the repair duties, which convert a landlord problem into a tenant bill whenever something fails. Fourth, the one-off costs at moments of change: exercising a break, assigning the lease, altering the space, and handing the property back. That wider view also belongs in any exercise in reducing overhead costs in a business, because premises costs that cannot be switched off deserve more scrutiny than costs that can.
The U.S. Small Business Administration (SBA), in its guidance on buying assets and equipment, makes the framing point that every lease can be structured differently, so the details of the offer in front of you are what count. It also notes that leaving a lease early can carry steep penalties, and that a tenant who finds any term unclear should have an attorney review the lease before signing. There is no standard lease whose terms can be assumed.
Sidebar: United States lease vocabulary
Leases written for the United States market use their own vocabulary, and the terms below belong to that market. CAM, short for common area maintenance, describes charges for the shared parts of a building or centre, such as parking areas, corridors and shared services, billed to tenants on top of rent. A triple-net lease, sometimes written as NNN, is a structure in which the tenant pays rent plus shares of property taxes, building insurance and maintenance costs. Make-good is the United States term used in this article for the tenant duty to restore premises at the end of the lease. These labels are not the words a United Kingdom lease would use for the same ideas.
Sidebar: United Kingdom lease vocabulary
Leases written for the United Kingdom market use a different vocabulary, kept separate here on purpose. A service charge is the tenant payment toward the landlord costs of running and maintaining the building and its shared parts. A full repairing and insuring lease, often shortened to FRI, places the cost of repairs and of insuring the property on the tenant, directly or through the service charge. Dilapidations is the United Kingdom term for the repairs a tenant may have to pay for, or carry out, when returning the property at the end of the lease. Do not treat these labels as interchangeable with the United States labels above; the mechanisms overlap, but the drafting and the words are market specific.
Costs that grow during the term
Rent escalation and rent review: fixed uplifts, index-linked increases and market reviews
Almost every commercial lease contains a mechanism that moves the rent during the term. The mechanism matters more than the starting rent, because it compounds: a slightly lower starting rent with aggressive uplifts can cost more over the term than a higher starting rent with modest, predictable increases. Read the clause and answer four questions. What triggers the increase: a fixed step, an index, or a review to market rent. When does it happen, and how often. Is there any ceiling or floor on the movement. And can the rent move down as well as up, or only rise or stay the same.
Fixed uplifts are the easiest to price: the lease states the new rent, or the method for calculating it, in advance, so the full term can be modelled before signing. Index-linked increases tie the rent to a published measure of inflation, but leave the exact figure unknown until each adjustment date. Market reviews reset the rent to open market value at the review date, which introduces the widest uncertainty of all. None of these mechanisms is automatically good or bad. The error is signing one without modelling it.
The Queensland Small Business Commissioner (QSBC), in its factsheet of tips for entering a commercial lease, puts the point as a direct question: is it clear how the rent will be adjusted during the term of the lease. If the draft lease does not let you answer that in one sentence, the clause needs clarification or advice, not optimism.
Pass-through charges: operating expenses, CAM and service charges
On top of rent, most commercial leases pass some of the building running costs through to tenants. In United States vocabulary these are operating expenses and CAM charges; in United Kingdom vocabulary the equivalent mechanism is the service charge. The label differs by market, as the sidebars explain, but the tenant questions are the same. What categories of cost can be passed through. How is your share calculated, usually by floor area as a proportion of the whole building. When are charges estimated, billed and reconciled against actual spending. And what rights do you have to see the underlying accounts.
The traps sit in the detail. A broadly drafted clause can pass through capital expenditure, such as a new roof or a replacement lift, dressed as a running cost, so a tenant funds an improvement that raises the landlord asset value long after the tenant has left. Management fees, letting costs for empty units, and services your unit cannot use can all appear in a pooled charge unless the clause excludes them. Read the inclusions and exclusions with equal care, and ask what the charge has actually been in recent years for a unit of your size.
Caps and exclusions are negotiated at signing, not later. Once the lease is signed, the charge follows the clause, and an objection to an item the clause plainly covers will usually go nowhere. Before signing is the moment to ask for categories to be excluded, for capital items to be spread or removed, and for rights to inspect supporting invoices. The QSBC factsheet makes the same point when it asks whether the tenant understands what outgoings are payable in addition to rent, using the Australian term outgoings for the costs a landlord passes on.
Insurance, taxes and utilities the lease moves to the tenant
Beyond the main pass-through clause, leases commonly move three further costs to the tenant. Building insurance is often arranged by the landlord and recharged, directly or through the service charge. You will also normally need your own insurance for contents, fit-out, stock and liabilities. Property taxes or business rates may sit with the tenant, and utilities may be supplied directly, recharged, or folded into a service charge, each with different scope for shopping around. Ask who arranges each one, how the cost is calculated, and whether it can rise without limit during the term.
Costs that depend on the repairing clause
Who repairs what: premises, structure, roof, plant and HVAC
GOV.UK, in its guidance on renting a business property and tenant responsibilities, states the starting rule plainly: your lease should say who is responsible for repairs and maintenance of the property. Work through the draft clause item by item and assign every part of the building to a named party: the interior of your unit, the structure and the roof, windows and doors, shared and external areas, plant and equipment including heating, ventilation and air conditioning, lifts, alarms and fire systems, and the fixtures that were in the property when you arrived as well as the ones you install yourself.
For each item, the clause should answer three further questions. Is the duty to maintain, to repair, or to replace when repair is no longer economic; replacing a major system is a capital cost, not a maintenance cost. Does the duty cover fair wear and tear. And who arranges the work. The QSBC checklist asks the matching question: are all the existing structures, fixtures and plant and equipment in good working order, and who must repair or maintain them. Ask it about the actual property, with an inspection, not just about the clause.
Occupation also brings duties that run alongside the lease wording. Our guide to steps for business owners to ensure a safe premise covers the safety responsibilities that follow from occupying a workplace, and a lease should be read together with those duties. Where the premises include gas appliances or heating systems, detector placement is part of that picture, as our guides to where a carbon monoxide detector should be placed and where to place a smoke detector explain. The lease decides who pays for compliance work; it does not remove the need for the work.
Keep in repair versus put and keep in repair: inheriting pre-existing disrepair
The wording of the repairing duty decides whether you take the property as you find it or promise to improve it. A duty simply to keep premises in repair can still bite on defects that existed before you arrived, because keeping a property in repair implies first putting it into repair where it is already in disrepair. A duty to put and keep in repair makes that exposure explicit. Either way, a tenant who signs a full repairing obligation over a tired property may have agreed to fund neglect by a previous occupier, and the bill can arrive at any point in the term, not just at the end.
There are three practical defences, and all of them happen before signing. First, inspect properly, so existing defects are known rather than discovered. Second, negotiate the scope: limit the duty to the condition evidenced at the start, exclude specific known defects, or have the landlord remedy major items before the term begins. Third, record the starting condition in a schedule of condition, covered next. The cost of defects is also where lease risk meets the wider subject of how to avoid property damage claims in construction: who pays for making good is a question to settle in documents before occupation starts.
The schedule of condition: documenting the property state at the start
A schedule of condition is a detailed record of the condition of the property at the start of the lease, usually combining a written description with dated photographs, agreed and signed by both sides and attached to the lease. It is the single most useful protective document a tenant can create, because so many lease costs are measured against the starting condition. Repair duties, alteration reinstatement and end-of-lease restoration all ask the same underlying question: compared with what. The schedule is the agreed answer.
Salford City Council, in its start-up lease guide for small businesses, advises tenants to request a schedule of condition to document the property state at the start of the lease, because it can protect the tenant from being liable for pre-existing issues. The QSBC checklist makes the same point in its own market language when it asks whether there is a condition report, including photos, signed by both the landlord and the tenant.
Make the schedule thorough enough to be useful years later. Photograph every room, wall, floor, ceiling, window, door and external elevation. Record cracks, stains, damp, damaged finishes, and the condition of plant and equipment. Have both sides sign it, attach it to the completed lease, and keep your own copy for the whole term. Reconstructing the starting condition from memory at the end of a long lease, in a dispute, is not cheap or easy.
Flexibility clauses that carry a price
Break clauses: dates, notice and the conditions that can defeat them
A break clause gives a party, usually the tenant, sometimes both sides, the right to end the lease early on a specified date or dates, provided the clause conditions are met exactly. Those conditions are where the money hides. Read for the break date, the notice required, and every condition attached: rent paid up to date, no material breach, vacant possession handed back, alterations removed, sometimes even a payment. A condition that looks trivial can become the ground on which a landlord argues the break failed, leaving the tenant bound for the rest of the term.
Salford City Council advises tenants to ensure break clause conditions are clear and achievable, noting common requirements such as notice periods, rent payments and property condition, and to negotiate minimal conditions. Take that advice literally: fewer conditions, objectively stated, with dates diarised the day the lease is signed. Note the SBA framing point too: early termination outside a properly exercised break can carry steep penalties, because leaving without a contractual right is a breach, not an option.
Permitted use and alterations: what the business may actually do in the space
The permitted use clause defines what the premises may be used for, and it can be narrower than the business you intend to run. A use described by a specific trade may not cover the service you plan to add next year. Changing use may need landlord consent, and may also need planning or licensing approval outside the lease; the QSBC factsheet reminds tenants that permitted use is tied to the specific address and local planning rules, and that the tenant is usually responsible for checking approvals before operating. A lease you can sign but cannot trade from is worthless.
Alterations clauses govern physical change: partitions, signage, extraction, plumbing, electrical work, a shopfront, a kitchen. Expect the lease to distinguish structural from non-structural work, to require consent for much of it, and to state whether the alteration must be removed at the end of the term. Price an alteration twice: once to install it, and once to remove it and reinstate the space. Keep written consents, since the end-of-lease position depends on documents, not recollections. Our landlord-side guide to improving tenant experience during a lease shows how clear expectations make the relationship work better for both parties.
Assignment and subletting: your exit routes if the business changes
If the business outgrows the space, shrinks, is sold or closes, assignment and subletting are the contractual exit routes. Assignment transfers the lease itself to a new tenant. Subletting keeps you as tenant but lets another occupier use some or all of the space and pay you for it. Most leases require landlord consent for either, and the clause sets the conditions the landlord can impose and whether you remain liable if the new tenant defaults. Some leases also require the outgoing tenant to guarantee the incoming tenant performance, so an assignment may not be the clean break it appears to be.
Salford City Council advises tenants to understand the assignment and subletting terms before signing, to make sure the lease permits these options, and to clarify the conditions with a solicitor. The business you have today may be sold, merged or moved within the term, and its value can depend on whether its premises can transfer with it.
The personal guarantee: what it covers, and the limits worth asking for
A personal guarantee removes the protection that trading through a company or limited structure was supposed to give. Where a lease is taken in a company name, the landlord may ask a director or owner to guarantee the tenant obligations personally. If the business then fails or falls behind, the landlord can pursue the guarantor’s own assets for the sums the guarantee covers. Owners often sign guarantees quickly because the premises are needed and the negotiation feels finished. It is the clause most likely to follow an owner home, and it deserves the slowest reading in the document.
Start with scope. What exactly is guaranteed: rent only, or rent plus service charges, insurance, repair costs and end-of-lease restoration. For how long, and does the guarantee extend if the lease is varied, renewed or assigned. Is the liability capped, or open-ended. The QSBC checklist frames the question directly: is a personal guarantee required, and what is the potential exposure of the guarantor. A tenant who cannot answer the exposure question has not yet priced this clause.
Limits are negotiation options, not entitlements, and they are asked for before signing. Salford City Council advises tenants to avoid unlimited personal guarantees and to negotiate capped liability or a rent deposit instead, because that limits personal exposure if the business faces financial difficulties. The options worth raising include a cap on the guaranteed amount, a burn-off under which the guarantee falls away after a period of clean payment history, release on assignment, and a rent deposit held as security. A landlord may refuse some or all of these, and that refusal is itself information: the risk is being priced onto you personally.
Never treat a guarantee as a formality because the business is trading well at signing. Guarantees are called on in the worst trading conditions, exactly when the guarantor can least afford them. If you are asked to guarantee, take advice on the wording itself, and record what would trigger it and what it could cost.
Costs that arrive at exit
The end of a lease is the most expensive moment most tenants never budget for. At exit the costs arrive together: restoration works, removal of alterations, possible rent during overrun, and professional fees on any dispute about condition. Plan for exit from the day you sign, because almost every protection in this section is created at the start of the term.
Dilapidations and make-good: returning the property to the state the lease requires
GOV.UK states the position for its market clearly: when you move out, you may have to pay for certain repairs or return the property to the state it was in when you first rented it; the repairs you will need to make are called dilapidations and should be written in the lease; and any responsibility that is not mentioned in the lease will usually be yours as the tenant. Silence in a lease does not protect a tenant, which is another reason to get duties written down expressly rather than assumed.
The QSBC checklist asks the equivalent questions for its market: is the tenant required to make good the premises at the end of the lease, and if so, is there a signed condition report with photographs. The size of an exit claim depends on three things the tenant controls early: the repairing standard the lease sets, the documented starting condition, and how the property has been maintained during the term. If a restoration claim arrives, take advice on it and engage with it; the scope and cost of works are often negotiable on evidence, and the schedule of condition is that evidence.
Removing alterations and reinstating the space
Alterations made during the term usually have to be dealt with at the end of it. Where the lease or the consent for the works requires reinstatement, the tenant must remove partitions, signage, installations and fit-out, and make good the surfaces underneath, unless the landlord agrees in writing that items can stay. Salford City Council advises tenants to document any alterations, agree reinstatement terms in writing, and discuss the end-of-lease position with the landlord ahead of time.
Build the reinstatement cost into the alteration decision itself. A fit-out that is cheap to install but fixed permanently into the structure can be expensive to strip out. Removable partitions, freestanding fittings and reversible installations keep exit options open. Photograph the property before alterations begin, keep the landlord consent letters with the schedule of condition, and start the exit conversation well before the final month: a landlord who wants some of your fit-out left in place may waive reinstatement for those items, but only if the agreement is recorded before the deadline.
Holdover, notice failures and the cost of leaving late
Leaving late is a cost category of its own. If the business stays in occupation after the term or after a break date without agreement, the lease may impose holdover rent at an enhanced basis, and the business can become liable for losses the landlord suffers. Notice failures create the same problem from the other direction: a notice served late, in the wrong form or to the wrong address may be ineffective, locking the business into a further period it had planned to avoid.
The protection is administrative, and it is cheap. On the day the lease completes, extract every date and notice requirement into a single diary: term start and end, break dates and notice deadlines, rent review dates, renewal windows, and the exit timetable. The QSBC factsheet advises tenants to diarise key dates for exactly this reason, noting that a tenant who fails to meet strict timelines in the lease can lose rights.
The pre-signing cost checklist
| Clause | What to price before signing |
|---|---|
| Rent escalation and review | The rent in every year of the term under the stated mechanism |
| Pass-through charges | Every charge category, your share, recent actual charges, and exclusions asked for |
| Insurance, taxes and utilities | Who arranges and who pays each one, and how each can change |
| Repairing duties | Every part of the building assigned to a named party, including structure, roof, plant and major system replacement |
| Starting condition | A signed schedule of condition with photographs, attached to the lease |
| Break clause | The date, the notice, and every condition, tested for whether each is achievable |
| Use and alterations | That your activities fit the permitted use, and the install plus removal cost of planned works |
| Assignment and subletting | Consent conditions, and whether you stay liable after a transfer |
| Personal guarantee | What is covered, for how long, the total exposure, and the cap, burn-off or deposit alternatives asked for |
| Exit restoration | The handback standard, reinstatement duties, and the evidence proving the starting condition |
| Dates and notices | Every deadline in the lease entered in a diary with a named owner |
A note before you act: this guide is general information, not legal advice
This article is general information for business readers, not legal advice. Deadlines, tests and duties depend on your jurisdiction, your business structure and your industry, so a qualified local adviser should check anything you are about to act on, especially before signing a lease, giving a personal guarantee, serving a notice or responding to an end-of-lease restoration claim. Lease vocabulary and practice differ between markets, as the United States and United Kingdom sidebars in this article show, and the official guidance linked here describes the market it was written for.
With that qualification in place, the working message is simple. Price the whole lease, not the headline rent. Model the increases, list the pass-through charges, assign every repair to a named party, test the break conditions, cap the guarantee if you can, and sign a schedule of condition with photographs on day one. A tenant who does those things will pay costs chosen with open eyes, rather than costs discovered later in clauses nobody priced.
Sources used for this article
- GOV.UK, “Renting a business property: tenant responsibilities”: https://www.gov.uk/renting-business-property-tenant-responsibilities
- Queensland Small Business Commissioner, “Tips when entering a commercial lease”: https://www.qsbc.qld.gov.au/small-business-help/factsheets/tips-when-entering-a-commercial-lease
- Salford City Council, “Start-up lease guide: essential tips for small businesses”: https://www.salford.gov.uk/business-and-inward-investment/support-for-your-business/start-your-business/start-up-lease-guide/
- U.S. Small Business Administration, “Buy assets and equipment”: https://legacy.sba.gov/business-guide/manage-your-business/buy-assets-equipment
Frequently asked questions
What costs does a business tenant pay on top of rent?
On top of rent, a tenant may pay pass-through operating charges, insurance recharges, property taxes or rates where the lease moves them, utilities, repair and maintenance costs, and end-of-lease restoration costs. The exact list depends on the clauses in the signed lease.
What are dilapidations in a commercial lease?
Dilapidations is the United Kingdom term for the repairs a tenant may have to pay for, or carry out, when moving out, to return the property to the state the lease requires. GOV.UK states that these repairs should be written in the lease.
What is a schedule of condition, and why does it matter?
A schedule of condition is an agreed record of the property’s state at the start of the lease, usually a written description with dated photographs, signed by both sides. It matters because repair and restoration duties are measured against the starting condition it documents.
What is a personal guarantee on a commercial lease?
A personal guarantee makes an individual, usually a director or owner, personally responsible for the tenant’s obligations if the business does not meet them. Its scope, duration and any cap are set by the guarantee wording, so the exposure should be priced before signing.
What is a break clause, and what can make it fail?
A break clause lets a party end the lease early on a set date if the clause conditions are met exactly. It can fail if notice is late or in the wrong form, if rent is unpaid, or if a condition on the property’s return has not been satisfied.
Who pays for repairs under a commercial lease?
Whoever the lease says pays. The lease should state who is responsible for repairs and maintenance, and GOV.UK notes that a responsibility not mentioned in the lease will usually fall to the tenant, which is why the clause is read before signing.
