A commercial lease is the contract that governs how a business occupies a property — what it pays, what it repairs, when it can leave, and whether it has the right to stay. Get it right and it is quietly boring for ten years. Get it wrong and it becomes the most expensive document in your business. This guide walks through every core clause, the Landlord and Tenant Act 1954, rent review mechanics, break clauses, FRI vs IRI, service charges, alienation, and end-of-lease dilapidations.
A commercial lease is a ten-year decision.
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When Do You Need a Commercial Lease?
Any time a business takes exclusive possession of premises it does not own. Shops, offices, warehouses, industrial units, restaurants, gyms, clinics. Arrangements sometimes mistakenly called “licences”: coffee kiosk in station, exclusive desk in co-working, storage for 12 months.
Exclusive possession of defined space for defined term at rent = lease regardless of what document calls itself. Street v Mountford [1985]. Courts look at substance, not labels.
Rules apply from moment pen hits paper: Landlord and Tenant Act 1954, Law of Property Act 1925, Landlord and Tenant (Covenants) Act 1995, Code for Leasing Business Premises 2020.
What a Commercial Lease Involves
Long document because it answers every question that might arise over 5–20 years without parties having to speak. Parties, premises, term, rent, rent review, who insures, who repairs, permitted use, ending mechanism, yield-up condition.
Costs
No court fee. Land Registry fees (£40–£910). SDLT on rent NPV — 1% over £150k NPV, 2% over £5m NPV. Tenants forget: 5-year lease at £60k/year is comfortably over threshold.
Leases over 7 years MUST be registered at Land Registry within 2 months of grant.
Landlord and Tenant Act 1954 — The Rule That Changes Everything
Part II LTA 1954 gives business tenants security of tenure: automatic right to new lease at end of contractual term on broadly same terms unless landlord proves s.30 statutory ground.
Do nothing: Act applies, tenant can stay.
Contracting Out Under s.38A
Landlord wanting clean end date must contract out of ss.24–28. Procedure non-negotiable. Skip step: exclusion fails.
- Warning notice landlord to tenant in Schedule 1 form of Regulatory Reform (Business Tenancies) Order 2003
- Tenant declaration: simple if notice 14+ days before grant; statutory before solicitor if less
- Reference in lease to both warning notice and declaration with dates
Core Clauses
1. Parties
Full legal names. Company: registered name, number, office. Guarantors: name here.
2. Premises (the Demise)
Exactly what is let. Whole building: straightforward. Part: define by plan, internal and external boundaries. State inclusions and exclusions. Ambiguity drives repair disputes for a decade.
3. Term
Start and end dates. “For a term of 10 years from and including 1 January 2026” = expires 31 December 2035. Rent-free period: runs from term start or earlier access date for fit-out.
4. Rent
Initial annual rent, payable quarterly on usual quarter days (25 March, 24 June, 29 September, 25 December). VAT if landlord opted to tax. Interest on late payment: base plus 4%.
5. Rent Review
- Open market — usually upward-only, typically every 5 years
- Index-linked — RPI/CPI/CPIH with collar and cap
- Fixed uplifts — stated new rent on each review date
6. Service Charge
Multi-let: landlord recovers common parts + shared services. Clause sets: services provided; apportionment method (floor area or rateable value); cap (essential for tenant); dispute mechanism (independent surveyor). Uncapped service charges are #1 post-signing argument.
7. Insurance
Landlord insures, tenant reimburses. Clause: risks covered, who holds policy, rent suspension during reinstatement, mutual termination if reinstatement impossible.
8. Repairing Obligation — FRI vs IRI
- FRI (Full Repairing and Insuring) — tenant responsible all repairs inside/outside/structural. Standard for whole buildings.
- IRI (Internal Repairing and Insuring) — tenant inside only. Landlord retains structure via service charge. Standard for multi-let.
FRI on older building: ask for schedule of condition annexed, limiting obligation to “no worse than”.
9. User Clause
What tenant may use premises for. Tight (“high-end jewellery”) protects landlord mix but crushes assignment value. Wider (“Use Class E”) favours tenant.
10. Alienation
Assignment, subletting, sharing. LTCA 1995: landlord may require Authorised Guarantee Agreement (AGA) from outgoing tenant on assignment. Subletting usually with consent, not less than passing rent.
11. Alterations
Structural: usually prohibited absolutely. Non-structural: landlord’s consent not unreasonably withheld. At end: reinstatement may be required.
12. Break Clauses
Tenant break: on notice (typically 6 months). Conditions: all rent paid, vacant possession, material covenants complied. Most litigated: vacant possession — single fitted-out workstation, contractor rubble, receptionist’s pot plant have defeated breaks.
13. Yield-Up and Dilapidations
End of term: hand back in required condition. Schedule of dilapidations identifies breaches. s.18(1) L&TA 1927 caps damages at diminution in value of landlord’s reversion. Often runs to tens of thousands.
14. Forfeiture
Landlord’s right to re-enter for breach. Rent arrears: demand required. Other breaches: s.146 LPA 1925 notice, chance to remedy. Tenant can apply for relief.
Key Deadlines
- LTA 1954 warning notice: 14 days before grant for simple declaration
- SDLT return: 14 days of effective date
- Land Registry registration: 2 months of grant for 7+ year leases
- Tenant break notice: as stated in lease (typically 6 months before); time is of the essence
- s.25 notice (landlord ending protected tenancy): 6–12 months before termination
- s.26 notice (tenant requesting new tenancy): same 6–12 month window
Common Mistakes
- Calling it a licence when it is a lease
- Failing to contract out properly — any error is fatal
- Leaving service charges uncapped
- FRI on old building without schedule of condition
- Treating break clause casually — conditions to the letter
- Ambiguous repair clauses on multi-let
- Missing SDLT deadline (14 days)
The Rules That Apply
- LTA 1954 Part II — security of tenure
- LTA 1954 s.38A — contracting-out
- Regulatory Reform (Business Tenancies) Order 2003 Schedules 1–4 — prescribed forms
- LPA 1925 s.146 — forfeiture for non-rent breaches
- LTCA 1995 — release of original tenant, AGAs
- L&TA 1927 s.18(1) — cap on dilapidations damages
- Land Registration Act 2002 — registration over 7 years
- Code for Leasing Business Premises 2020 — voluntary guidance
How Chris Can Help
Chris drafts commercial leases to market standard — 14 core clauses, LTA 1954 exclusion pack, rent review mechanism, service charge cap, break conditions, schedule of condition, alienation with AGA framework.
7-day money-back guarantee. We refund. We are miracle-makers, not miracle-workers.
Complex/high-value/unusual (investment-grade, turnover rents, multi-let developments): Hybrid with reviewer sign-off.
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FAQ
Must I contract out of LTA 1954?
No. Do nothing, Part II applies, tenant has security. Contract out only if you want clean end date.
FRI vs IRI difference?
FRI: tenant responsible all repairs + insurance reimbursement. IRI: tenant inside only; landlord structure via service charge.
Tenant break early?
Only if break clause. Conditions to the letter: rent paid, vacant possession, material covenants.
Authorised Guarantee Agreement?
AGA under LTCA 1995: outgoing tenant guarantees incoming tenant’s performance. Required as condition of assignment consent.
Register commercial lease?
Over 7 years: must be registered at Land Registry within 2 months. Shorter: not compulsory.
Schedule of condition?
Photographic and written record at lease start, annexed. Limits tenant repair/reinstatement to no worse than start condition.
Can rent go down at review?
Only if lease says so. Most are upward-only. 2020 Code encourages alternatives; tenants can negotiate.
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