Major Works and Section 20: What Leaseholders Need to Know
This article explores leasehold major works, Section 20 consultation obligations, service charge demands and how landlords can protect their position.
22/07/2026By Sunil Chander · Co-Founder
This article explores leasehold major works, Section 20 consultation obligations, service charge demands and how landlords can protect their position.
For landlords who own leasehold properties, the arrival of a major works bill can be rather disconcerting. The sums involved are often significant, the timelines are compressed, and the legal framework governing the process is easy to misread if you have not encountered it before.
Section 20 of the Landlord and Tenant Act 1985 exists to protect leaseholders from being presented with large, unreasonable or unjustified service charge demands without prior notice or the opportunity to comment. Understanding how the process works, what your rights are and where disputes are most likely to arise is essential for any landlord navigating leasehold major works.
What Section 20 actually requires
Section 20 sets out the consultation obligations that a freehold landlord or managing agent must fulfil before carrying out qualifying works that will cost any individual leaseholder more than £250. This is known as the qualifying works £250 rule and it is the threshold that triggers the formal consultation process.
When works meet or exceed that threshold, the freehold landlord or managing agent is required to follow a three-stage consultation procedure. The first stage is a notice of intention, which informs leaseholders that the works are being proposed and invites them to submit observations and nominate contractors. The second stage involves obtaining at least two estimates and sharing those estimates with leaseholders, again inviting observations. The third stage, where applicable, requires a further notice if the freehold landlord intends to award the contract to a contractor who was not nominated by leaseholders or whose estimate was not the lowest.
Failure to follow this process correctly does not invalidate the works, but it does have significant financial consequences. Where the consultation requirements have not been met, the amount that can be recovered from each leaseholder through the service charge is capped at £250, regardless of the actual cost of the works. For expensive projects, this shortfall can be substantial.
The role of the managing agent
In many leasehold arrangements, the managing agent is responsible for administering the Section 20 process on behalf of the freehold landlord. This does not, however, transfer legal responsibility away from the landlord entirely. If a managing agent issues a defective managing agent notice, misses a statutory deadline or fails to document the consultation stages adequately, the landlord may bear the consequences in any subsequent dispute.
It is worth freehold landlords reviewing how their managing agents handle major works procedures, and ensuring that they receive copies of all relevant notices, responses and correspondence throughout the process.
Understanding the service charge demand
Once qualifying works are completed, leaseholders will receive a service charge demand setting out their contribution to the cost. For this demand to be legally valid, it must be accompanied by a summary of leaseholders' rights and obligations. A demand issued without this summary is not enforceable until the summary is provided, which is a detail that landlords on the receiving end of a demand, rather than the issuing end, should be aware of.
The service charge demand must also be reasonable. Reasonableness is not simply a matter of opinion; it is a legal standard that can be tested. Leaseholders have the right to apply to the First-tier Tribunal to challenge service charges they consider unreasonable, whether the dispute concerns the cost of the works, the standard of the work carried out or whether the works were necessary in the first place. First-tier Tribunal service charge applications are relatively accessible and do not require legal representation, though professional advice is often worthwhile for significant disputes.
Sinking fund vs reserve fund explained
One of the most common sources of financial difficulty for leaseholders when a major works bill arrives is the absence of adequate funds set aside in advance. As such, the distinction between a sinking fund and a reserve fund is worth understanding. A sinking fund is a dedicated pot of money accumulated over time specifically to cover the anticipated cost of major future works, such as roof replacements or lift refurbishments. A reserve fund is a broader fund held to cover unexpected costs and general maintenance contingencies.
Where a well-managed sinking fund exists, the financial impact of major works on individual leaseholders is significantly reduced, because contributions have been made gradually over many years rather than as a lump sum. Where no such fund exists, or where it has been inadequately maintained, a large service charge demand can arrive with very little warning and very little flexibility in terms of timing.
If you are a buy-to-let landlord who owns a leasehold flat, you are a leaseholder in relation to the freeholder, and you are subject to the same obligations and rights as any other leaseholder. The fact that you are also a landlord in relation to your tenant does not change your position within the leasehold structure.
Leaseholder rights when disputes arise
Leaseholders have meaningful protections when it comes to challenging costs they consider unjustified. Beyond the First-tier Tribunal route, leaseholders can also request a detailed breakdown of service charge costs, inspect accounts and receipts, and, in some circumstances, apply for the appointment of a new manager if the existing management has been demonstrably poor.
It is also possible to challenge service charges before paying them, though this carries some risk and should be approached with proper advice. It is generally considered best to "pay under protest," and then challenge the reasonableness via the Tribunal route. However, in many cases, raising a formal query with the managing agent or freeholder at an early stage resolves the dispute without the need for tribunal involvement.
Conclusion
Section 20 major works can feel daunting, but the process is built around protections for the leaseholder's position. Both freehold landlords and leaseholders who take time to understand the consultation requirements, keep thorough records and engage early with any concerns are in a far stronger position than those who respond reactively once a dispute has escalated. Ultimately, understanding the mechanisms to challenge and resolve these matters is an important aspect of leasehold property ownership.
FAQs
Q. What is the qualifying works £250 rule under Section 20?
A. The qualifying works £250 rule states that if the cost of works to any individual leaseholder will exceed £250, the landlord or managing agent must follow the formal Section 20 consultation process before the works begin. Failure to do so limits the recoverable service charge contribution to £250 per leaseholder, regardless of the actual cost.
Q. What happens if a freehold landlord does not follow the Section 20 consultation process?
A. If the correct consultation procedure is not followed, the landlord's ability to recover costs through the service charge is capped at £250 per leaseholder for the relevant works. This can result in a significant shortfall, particularly where the project involves substantial expenditure.
Q. Can leaseholders challenge a major works bill?
A. Yes, leaseholders have the right to apply to the First-tier Tribunal to dispute whether a service charge demand is reasonable. The tribunal can consider whether the works were necessary, whether the costs were proportionate and whether the quality of the work was adequate.
Q. Is a service charge demand valid without a summary of rights?
A. No, a service charge demand must be accompanied by a prescribed summary of leaseholders' rights and obligations to be enforceable. Until that summary is provided, the leaseholder is not obligated to pay the demand.
Q. What is the difference between a sinking fund and a reserve fund?
A. A sinking fund is accumulated specifically to cover anticipated major works, such as roof repairs or structural maintenance, over a planned period. A reserve fund is a broader pot held for unexpected or general maintenance costs, and the two serve different financial planning purposes within a leasehold development.
Q. Can I dispute a service charge before paying it?
A. It is possible to challenge a service charge before payment, but this approach carries risk, particularly if the lease requires payment in advance of any dispute resolution. Taking professional advice before withholding payment is strongly recommended.
Q. What should a managing agent notice include under Section 20?
A. A managing agent notice issued under Section 20 must describe the proposed works, invite leaseholders to submit observations within a set period and provide them with an opportunity to nominate contractors. Each stage of the consultation carries its own specific requirements and deadlines.
Q. How long does the Section 20 consultation process take?
A. The process typically takes a minimum of 30 days for each consultation stage, meaning the full procedure can take several months before works can legally commence. Landlords and managing agents should factor this timeline into any project planning.
Q. What leaseholder rights apply when service charge records are disputed?
A. Leaseholders have a statutory right to request a written summary of service charge costs and to inspect supporting documents, including receipts and invoices. Where a freehold landlord or managing agent fails to comply with such a request, this can itself be raised before the tribunal.
Q. Where can freehold landlords and leaseholders get help with Section 20 disputes?
A. The First-tier Tribunal (Property Chamber) handles service charge disputes in England, and the Leasehold Advisory Service provides free guidance to both landlords and leaseholders on their rights and obligations.
About the author
Sunil Chander
Co-Founder
Sunil oversees operations and compliance at Pauzible, drawing on his extensive experience as the founder and CEO of Dawnbud Limited, a financial services consulting firm. His prior career included senior roles in investment banking at Smith New Court and NatWest. He holds an MBA from LBS, M Litt from Oxford and a PhD from Cambridge.
