I received a section 20 notice for major works. Here is what it means and what you can do

The envelope looked routine until I opened it and saw the figure. Our managing agent had sent a section 20 notice proposing roof and gutter works with a share of the bill that would land on every flat in the building. I had heard the phrase before, but seeing your own name on a document that starts a legal consultation process is a different experience entirely.

A section 20 notice is not a final invoice. It is the start of a consultation your landlord or agent must run before they can recover most of the cost of qualifying works through your service charge. That distinction matters, because you have rights at each stage and time to respond in writing.

Here is what I learned from reading the paperwork, checking the process against the rules, and deciding what to do next.

What a section 20 notice actually is

Section 20 of the Landlord and Tenant Act 1985 sets out when your landlord must consult leaseholders before carrying out qualifying works or entering a long term qualifying agreement. In practice, that consultation reaches you as a series of written notices. The first is usually called a notice of intention. It describes the proposed works, explains why they are needed, and invites you to make observations and nominate contractors.

If the works are above the statutory threshold, your landlord cannot simply bill you without following the process. The Leasehold Advisory Service publishes clear guidance on what each stage should contain. I read that alongside our notice to see whether the basics were covered before I formed a view on the costs themselves.

The three stages I learned to watch for

The consultation runs in three main stages. Stage one is the notice of intention. Stage two is the statement of estimates, where you should see at least two estimates for the proposed works. Stage three is the notice of reasons, which explains which contractor was chosen and why. Each stage gives you a window, usually 30 days, to send written observations.

When I mapped our paperwork against that structure, I could see which stage we were in and what would come next. That stopped me from treating the first letter as a finished decision. The full process is laid out in our Section 20 hub, which walks through each stage in plain English.

What I did when the first section 20 notice arrived

My first step was to read the notice slowly with the leaseholder group, not alone at the kitchen table. We checked the description of works, the reason given for them, the estimated cost per flat, and the deadline for observations. We also looked at whether we could nominate an alternative contractor, which the first stage should allow.

We then compared the proposed timing with recent service charge accounts. Major works often follow years of smaller repairs that should sometimes have been dealt with earlier. That does not automatically invalidate a notice, but it helps you ask sharper questions in your response.

For the written reply, we used the section 20 observation letter tool to structure our points clearly. Having a proper template meant we focused on substance rather than worrying about format.

The rights you have at each stage

At stage one, you can comment on whether the works are necessary, challenge the scope, and nominate contractors. At stage two, you can compare estimates and question whether the figures look reasonable for the work described. At stage three, you can challenge the choice of contractor if the reasons do not match what was consulted on earlier.

You are not obliged to agree with the landlord's preferred option. You are entitled to be consulted properly. Observations should be in writing and sent within the deadline on the notice. Keep proof of posting or delivery, because dates matter if there is a dispute later.

If works affect your flat directly, check your lease as well. The section 20 process sits on top of your contractual rights, and the two do not always say the same thing about who pays for what.

What to do if the section 20 process looks wrong

Some of the most useful questions are procedural. Was each notice served on time? Did stage two include at least two estimates? Did the final contractor match the consultation? If the landlord skips a stage or serves notices that do not contain the required information, you may be able to challenge the charges at the First-tier Tribunal.

There is also a per flat cap on what can be recovered when consultation requirements are not met, subject to the rules in force for your case. The details depend on when the works were agreed and the amounts involved, so treat any figure in a blog post as background rather than a limit that applies automatically to you.

If you think the process was defective, document everything. Keep copies of each notice, your observations, delivery receipts, and any replies from the landlord or agent. That file becomes essential if you need professional advice later.

Why this matters if you are thinking about RTM

For our block, the section 20 notice was one more reason to look hard at who was running the building. We were paying an agent to manage major works consultation, yet the paperwork still landed on us to decipher and respond to within a tight deadline. That experience sits in the same picture as removing a managing agent through Right to Manage.

RTM does not erase past service charges or rewrite notices that were already served correctly. It does change who is accountable for future consultation and how transparently costs are handled. Leaseholders who take control can run the process themselves, seek competitive quotes directly, and keep proper records without waiting for an agent to reply to a simple question.

If poor consultation has been a pattern in your building, it is worth checking whether you qualify for RTM at all. Many leaseholders start exactly there once they realise how much money and stress a single section 20 notice can involve.

Staying calm and responding on time

A section 20 notice can feel alarming, especially when the headline cost is large and the language is formal. The practical response is methodical. Read the notice, identify the stage, note the deadline, discuss it with neighbours, send written observations, and keep records.

You do not need to accept the first figure you see. You do need to engage with the process if you want your objections to count. That is what the legislation expects, and it is what I wish someone had told me plainly before the envelope arrived.

This article is for educational purposes only and does not constitute legal advice. Every situation is different. If you need guidance specific to your building or lease, please consult a qualified solicitor.