Forfeiture Clauses in Leases: What Buyers Check

If you are selling a leasehold flat, you may not have given much thought to the forfeiture clause in your lease. Most leaseholders go years without ever needing to consider it. But when you come to sell, the forfeiture clause becomes one of the provisions that the buyer's solicitor and mortgage lender will scrutinise most closely. A missing, defective, or onerous forfeiture clause can delay your sale by weeks or even prevent a mortgage offer from being issued.

This guide explains what a forfeiture clause is, why it matters when selling a leasehold flat, what buyers and lenders check, and the practical steps you can take to address any issues before they derail your transaction.

What is a forfeiture clause?

A forfeiture clause (also known as a re-entry clause) is a provision in a lease that gives the freeholder the right to terminate the lease and retake possession of the property if the leaseholder breaches certain terms. In effect, it is the freeholder's ultimate remedy for dealing with a leaseholder who does not comply with the lease obligations.

Common grounds for forfeiture include:

• Non-payment of ground rent. If the leaseholder fails to pay the ground rent specified in the lease, the freeholder may have the right to forfeit. However, this is subject to significant statutory restrictions for residential long leases.
• Non-payment of service charges. Service charge arrears can also trigger forfeiture, although again the statutory protections for residential leaseholders are substantial.
• Breach of covenant. This covers breaches such as subletting without permission, making alterations without consent, using the property for commercial purposes, or causing a nuisance to other residents.
• Insolvency. Some leases contain a forfeiture trigger if the leaseholder becomes bankrupt or enters an insolvency process. This is a concern for mortgage lenders because the borrower's insolvency is precisely the scenario in which the lender needs the lease to remain in place.

It is important to understand that the existence of a forfeiture clause does not mean forfeiture happens easily or frequently. For residential long leases, Parliament has enacted significant protections that make actual forfeiture extremely difficult. But the clause must still be present in the lease — its absence is what causes problems during a sale.

Why mortgage lenders require a forfeiture clause

When a mortgage lender agrees to lend money secured against a leasehold flat, the lease itself is the security. If the lease were to be terminated (forfeited), the lender's security would be worthless. This might seem like a reason for lenders to prefer leases without forfeiture clauses, but the opposite is true.

Lenders need the forfeiture clause to be present for two reasons:

1. Right to be notified. A properly drafted forfeiture clause requires the freeholder to notify the mortgage lender before taking any forfeiture action. This gives the lender the opportunity to step in and remedy the breach on the borrower's behalf — for example, by paying arrears of ground rent or service charges — thereby preserving its security.
2. Enforceability of the lease. A lease without a forfeiture clause has limited enforceability. If the leaseholder breaches the lease and the freeholder has no remedy, the building could deteriorate and the value of the lease (and therefore the lender's security) would diminish. The forfeiture clause acts as a discipline mechanism that encourages compliance with the lease terms.

The UK Finance Lenders' Handbook sets out the requirements for leases on which lenders are willing to lend. It states that the lease must contain a forfeiture clause, and that the clause must include provision for notifying the lender before forfeiture is pursued. If the lease does not meet these requirements, the lender will either decline the mortgage or make the offer conditional on the lease being varied.

The statutory framework: protections against forfeiture

While the forfeiture clause itself may sound alarming to leaseholders, Parliament has enacted significant protections that make forfeiture of a residential long lease extremely difficult in practice. Understanding these protections is important because they explain why forfeiture clauses are not the threat they might appear to be.

Section 146 of the Law of Property Act 1925

Before a freeholder can forfeit a lease for breach of covenant (other than non-payment of rent), they must serve a Section 146 notice. This notice must:

• Specify the breach complained of
• Require the leaseholder to remedy the breach, if it is capable of remedy
• Require the leaseholder to pay compensation, if the freeholder wants compensation

The leaseholder must be given a reasonable time to comply with the notice before the freeholder can take any further action. What constitutes a reasonable time depends on the nature of the breach, but for most breaches it is a minimum of 14 days and often longer. If the leaseholder remedies the breach within the time allowed, the forfeiture cannot proceed.

Housing Act 1996, Section 81

Section 81 of the Housing Act 1996 provides an additional layer of protection specifically for residential long leases. It states that a freeholder cannot forfeit a long residential lease for breach of covenant unless the breach has been:

• Determined by the First-tier Tribunal (Property Chamber) to have occurred, or
• Admitted by the leaseholder

This means the freeholder cannot simply serve a Section 146 notice and then take action. They must first obtain a formal determination that a breach has occurred. This adds a significant procedural hurdle and gives the leaseholder time and opportunity to defend or remedy the position.

Commonhold and Leasehold Reform Act 2002, Section 166

For ground rent arrears, Section 166 of the Commonhold and Leasehold Reform Act 2002 requires the freeholder to serve a formal demand in a prescribed format before ground rent becomes due. The leaseholder is not liable to pay until the demand is served. Section 167 further provides that the freeholder cannot exercise a right of re-entry or forfeiture for non-payment of a service charge, administration charge, or ground rent unless the amount exceeds a prescribed threshold (currently £350) or has been owed for more than three years.

Relief from forfeiture

Even if a freeholder successfully navigates all the procedural requirements and obtains a court order for possession, the leaseholder can apply to the court for relief from forfeiture under Section 146(2) of the Law of Property Act 1925. The court has broad discretion to grant relief on terms it considers just, which typically involves the leaseholder paying any arrears, remedying any breach, and covering the freeholder's reasonable costs. In practice, courts almost always grant relief where the leaseholder is willing and able to remedy the position.

What buyers' solicitors check

When a buyer's solicitor reviews the lease as part of their due diligence, they will check the forfeiture clause against the requirements of the UK Finance Lenders' Handbook. The key points they look for are:

If the buyer's solicitor identifies a problem with the forfeiture clause, they will raise it as a requisition on title or an additional enquiry. The issue must be resolved before the buyer's lender will issue a mortgage offer, or (if an offer has already been issued) before the lender's conditions can be satisfied. This is where delays begin if the problem was not identified earlier.

What makes a forfeiture clause "onerous"?

Not all forfeiture clauses are equal. While a standard, properly drafted forfeiture clause causes no problems during a sale, an onerous forfeiture clause can be just as problematic as a missing one. A clause may be considered onerous if it:

• Allows the freeholder to forfeit for trivial breaches without giving the leaseholder an opportunity to remedy them
• Does not require the freeholder to serve a Section 146 notice (or contains wording that purports to waive the requirement)
• Allows forfeiture without a court order, which would be unlawful for a residential long lease under Section 81 of the Housing Act 1996 but may still concern a lender if the clause purports to permit it
• Triggers forfeiture on the leaseholder's bankruptcy or insolvency without exception
• Permits the freeholder to forfeit without notifying any mortgagee of the lease

If a defective lease contains an onerous forfeiture clause, the buyer's solicitor will raise it as an issue and the lender may decline to lend until the clause is amended through a deed of variation. The distinction between a "defective" forfeiture clause (one that is inadequate or missing) and an "onerous" one (one that goes too far) is important, but both create problems for the same reason: they do not meet the requirements of the UK Finance Lenders' Handbook.

Missing forfeiture clauses: a common defect

A lease that does not contain a forfeiture clause at all is one of the most common types of lease defect. This tends to occur in:

• Very old leases. Some leases granted in the early to mid-twentieth century were drafted without forfeiture clauses, or with clauses that are so limited in scope that they do not meet modern lending requirements.
• Share of freehold leases. Where the leaseholders collectively own the freehold through a company, the leases are sometimes drafted without a forfeiture clause because the freeholder and the leaseholders are effectively the same people. While this made sense at the time, it creates problems when one of the flat owners comes to sell.
• Poorly drafted leases. Some leases were simply drafted negligently, with the forfeiture clause omitted by mistake. This is not as uncommon as you might expect, particularly for leases created by smaller or less experienced firms.

The fix for a missing forfeiture clause is a deed of variation that inserts a compliant clause into the lease. This requires the freeholder's agreement. If the freeholder is also the leaseholder (as in a share of freehold arrangement), the process is usually straightforward. If the freeholder is a third party, they may charge a premium for agreeing to the variation, and the process can take several weeks.

Practical steps for sellers

If you are planning to sell a leasehold flat, taking these steps early can help you identify and resolve forfeiture clause issues before they become a problem:

1. Have your lease reviewed before listing. Ask your solicitor to check the forfeiture clause (or its absence) as part of a pre-sale lease review. An experienced leasehold solicitor will check the clause against the UK Finance Lenders' Handbook requirements and advise you on whether any action is needed.
2. Order the LPE1 management pack early. The management pack provides context on the lease terms and any known issues. Having it ready when you accept an offer saves weeks.
3. Contact the freeholder promptly. If a deed of variation is needed, write to the freeholder (or their managing agent) as soon as possible to request their cooperation. The earlier you start, the less likely the issue is to cause delays once a buyer is found.
4. Budget for the cost. A deed of variation to add or amend a forfeiture clause typically costs between £500 and £3,000, covering your solicitor's fees, the freeholder's legal costs, any premium, and the HM Land Registry registration fee. Factor this into your selling costs.
5. Consider indemnity insurance as a last resort. Most lenders will not accept indemnity insurance for a missing forfeiture clause. However, for minor deficiencies in an existing clause (for example, a clause that does not explicitly mention notifying the lender), some lenders may accept insurance. Your solicitor can advise on what is realistic.
6. Disclose the issue. If you know the forfeiture clause is missing or defective, disclose this to your solicitor immediately. Attempting to conceal it will only create greater delays when the buyer's solicitor inevitably identifies the problem.

Ground rent arrears and forfeiture risk

One area where forfeiture clauses become directly relevant to sellers is ground rent arrears. If you have unpaid ground rent, the forfeiture clause in your lease may technically allow the freeholder to begin forfeiture proceedings. While the statutory protections described above make actual forfeiture very unlikely, the existence of arrears combined with a forfeiture clause can raise concerns during the sale process.

The buyer's solicitor will check the LPE1 form in the management pack for confirmation that all ground rent and service charge payments are up to date. If arrears are disclosed, the solicitor will want to know whether any action has been taken or threatened under the forfeiture clause, and whether the arrears will be cleared before or on completion. Making sure your accounts are up to date before you list is one of the simplest ways to avoid unnecessary complications.

The Leasehold and Freehold Reform Act 2024

The Leasehold and Freehold Reform Act 2024 includes provisions that may eventually replace the forfeiture regime for residential long leases with a new system of remedies. The Act recognises that forfeiture — the complete termination of the lease — is a disproportionate remedy for most breaches, particularly for long leases where the leaseholder may have paid hundreds of thousands of pounds for the property.

The proposed reforms would introduce alternative remedies that allow the freeholder to enforce the lease terms without terminating the lease entirely. However, as of February 2026, the secondary legislation needed to bring these provisions into force has not been laid before Parliament. Until the new regime takes effect, the existing forfeiture rules continue to apply, and mortgage lenders continue to require compliant forfeiture clauses in leases.

Sellers should not delay addressing forfeiture clause issues on the assumption that the law will change soon. The reforms may take months or years to implement, and your sale needs to proceed under the current rules.

Sources

• Law of Property Act 1925, Section 146 (Restrictions on and relief against forfeiture of leases) — legislation.gov.uk
• Housing Act 1996, Section 81 (Restriction on forfeiture of residential long leases) — legislation.gov.uk
• Commonhold and Leasehold Reform Act 2002, Sections 166 and 167 — legislation.gov.uk
• UK Finance Lenders' Handbook — ukfinance.org.uk
• Leasehold and Freehold Reform Act 2024 — legislation.gov.uk
• LEASE (Leasehold Advisory Service / Leasehold Knowledge Partnership) — lease-advice.org
• Law Society Conveyancing Protocol, 5th edition — lawsociety.org.uk
• First-tier Tribunal (Property Chamber) — gov.uk/courts-tribunals

Frequently asked questions