Section 20 Consultations: A Complete Guide for London Managing Agents and RMCs

If you manage a London block, Section 20 is the process that most often trips up even experienced managing agents. The rules look straightforward on paper — consult leaseholders before spending above a set threshold — but the detail matters. Get a date wrong, skip a stage, or miscalculate what counts as "qualifying works" and the consequences are severe: you can find yourself capped at recovering just £250 per leaseholder, regardless of how much the works actually cost.

This guide is for London managing agents and RMC directors who want to get Section 20 right the first time. We cover what's changed in 2026, the three-stage consultation process, the most common mistakes, and the real financial risk of getting it wrong.

What Is Section 20?

Section 20 of the Landlord and Tenant Act 1985, together with the Service Charges (Consultation Requirements) (England) Regulations 2003, requires landlords, managing agents, and Resident Management Companies (RMCs) to formally consult leaseholders before:

• Carrying out major works where any one leaseholder's contribution exceeds £250
• Entering a long-term service contract (more than 12 months) where any one leaseholder's contribution exceeds £100 per year

The consultation is not a formality. It gives leaseholders genuine rights to comment on proposed works, nominate contractors, see estimates, and challenge costs. If the process isn't followed properly, the law caps what you can recover from leaseholders — and the difference has to come from somewhere.

For managing agents handling London blocks where a single roof replacement can easily run to £300,000, getting Section 20 wrong can mean absorbing the entire shortfall yourself or through the freeholder. For major renovation works of this scale, the stakes are significant.

What's Changed in 2026

The core Section 20 framework hasn't changed — the thresholds, stages, and timelines remain as set in 2003. But two important overlays affect how London managing agents handle consultations in 2026:

Procurement Act 2023 (in force since 24 February 2025) — For landlords operating within public-sector procurement (including many RMCs with local authority connections), new public notice rules can affect how Section 20 consultations are run in parallel with procurement obligations.

Building Safety Act impact — Scrutiny has intensified around major safety remediation works, particularly cladding and fire safety. Tribunals are closely examining whether costs passed to leaseholders through Section 20 are reasonable and recoverable. This is not a change to Section 20 itself, but to how tribunals interpret "reasonableness" of service charges.

For most London blocks, the practical message is clear: the rules are the same, but tribunals are applying them with more rigour than five years ago.

The Two Thresholds That Trigger Section 20

Managing agents often confuse the two thresholds. They apply to entirely different categories of spending.

Important: Both tests look at what any single leaseholder in the building will be charged — not the total project value. A £6,000 project spread across 30 leaseholders at £200 each does not trigger Section 20 for qualifying works. The same £6,000 project across 20 leaseholders at £300 each does.

A Word on "Project Splitting"

A common mistake (and sometimes deliberate tactic) is breaking a large project into smaller phases to keep individual costs below £250 per leaseholder. The tribunal treats this as an evasion of Section 20 and has consistently ruled against landlords who try it. If works form a single programme — the same contractor, the same purpose, phased delivery — they are a qualifying work under Section 20 and must be consulted as a whole.

The Three-Stage Consultation Process

Section 20 is often described as a two-stage process, but for major works there are actually three formal stages, each with strict timing requirements.

Stage 1 — Notice of Intention

The first formal notice to leaseholders. It must:

• Describe the proposed works in clear, specific terms
• Explain why the works are necessary
• Invite written observations from leaseholders
• Invite leaseholders (and any Recognised Tenants' Association) to nominate contractors

Minimum consultation period: 30 days from the date leaseholders receive the notice.

Stage 2 — Notice of Estimates (Proposals)

After the Stage 1 consultation closes, the landlord must:

• Obtain at least two estimates for the works
• At least one estimate must be from a contractor entirely unconnected to the landlord
• Where leaseholders nominated contractors at Stage 1, estimates must be sought from them (where practical)
• Circulate the estimates to all leaseholders with a summary of observations received at Stage 1
• Respond to leaseholder observations

Minimum consultation period: 30 days for leaseholders to comment on the estimates.

Stage 3 — Notice of Reasons (Award Notice)

Required only if the contract is awarded to a contractor who:

• Did not submit the lowest estimate, OR
• Was not nominated by leaseholders or a Recognised Tenants' Association

Deadline: Must be issued within 21 days of awarding the contract, explaining in writing why the chosen contractor was selected.

The Five Most Common Section 20 Mistakes in London

These are the errors that most often lead to leaseholder disputes and tribunal applications in London blocks.

1. Miscalculating the 30-Day Period

The 30 days runs from when leaseholders receive the notice, not when it's posted. Allow at least 2 working days for first-class postage, and 4 for second-class. Issuing a Stage 2 notice on day 31 — when some leaseholders only received Stage 1 on day 3 — invalidates the consultation.

2. Vague Descriptions of Works

"General external repairs" doesn't meet the statutory requirement. Leaseholders can't make informed observations or nominate appropriate contractors if they don't know exactly what's being proposed. Notices must specify: what will be done, where, and why.

3. Ignoring Nominated Contractors

If leaseholders nominate a contractor, you must make a genuine attempt to obtain an estimate from them — or document clearly why this wasn't practical. Dismissing nominations out of hand is one of the most common reasons for tribunal challenges.

4. Project Splitting

As covered above — breaking a major project into smaller phases to avoid Section 20 is consistently overturned by tribunals and can lead to retrospective consultation requirements.

5. Failing to Respond to Observations

Stage 2 requires you to include a summary of observations from Stage 1 and respond to them. This is not optional. Tribunals regularly strike down consultations where landlords ignored or dismissed leaseholder feedback without substantive response.

What Happens If You Get It Wrong?

The financial consequences of Section 20 non-compliance are severe and largely non-negotiable.

Statutory Cap on Recovery

If consultation is not correctly carried out, the amount you can recover from each leaseholder is capped at:

• £250 per leaseholder for qualifying works
• £100 per leaseholder per year for QLTAs

This applies regardless of how much the works actually cost. A £300,000 roof replacement across 20 leaseholders, without proper Section 20, means you can only recover £5,000 total (20 × £250). The remaining £295,000 falls on the freeholder or RMC — which, for a volunteer-run RMC, can be catastrophic.

The Only Escape: Tribunal Dispensation

Under Section 20ZA, a landlord can apply to the First-tier Tribunal (Property Chamber) for "dispensation" from the consultation requirements. The tribunal will grant dispensation only if it's satisfied that leaseholders suffered no relevant prejudice from the breach.

This is a high bar. Dispensation is typically granted only for:

• Genuine emergency works (immediate health and safety risks)
• Minor procedural errors where leaseholders clearly weren't disadvantaged
• Cases where the tribunal can impose conditions (e.g. cost contributions) that rebalance any prejudice

Relying on dispensation as a Plan B is dangerous. It costs money, creates delay, and is never guaranteed.

A Practical Section 20 Checklist for Managing Agents

FAQ: Section 20 Consultations for London Managing Agents

What is Section 20 of the Landlord and Tenant Act 1985? Section 20 requires landlords, managing agents, and RMCs to formally consult leaseholders before carrying out major works costing more than £250 per leaseholder or entering long-term service contracts costing more than £100 per leaseholder per year. The detailed consultation requirements are set out in the Service Charges (Consultation Requirements) (England) Regulations 2003.

What is the £250 Section 20 threshold? £250 is the per-leaseholder threshold for "qualifying works" — one-off repairs, maintenance, or improvements. It is calculated based on each individual leaseholder's share of the total project cost, not the overall project value. If any single leaseholder will be charged more than £250, Section 20 consultation is required.

How long does a Section 20 consultation take? A full Section 20 consultation takes a minimum of approximately 10 weeks: 30 days for Stage 1 (Notice of Intention), time to gather estimates, 30 days for Stage 2 (Notice of Estimates), plus up to 21 days for Stage 3 (Notice of Reasons) if applicable. In practice, most London consultations take 3–4 months to complete properly.

What happens if a landlord doesn't follow Section 20? The landlord cannot recover more than £250 per leaseholder for qualifying works, or £100 per leaseholder per year for long-term agreements — regardless of actual costs. The shortfall must be absorbed by the freeholder, landlord, or RMC. The only way to recover higher amounts is to apply to the First-tier Tribunal for dispensation under Section 20ZA, which is only granted where leaseholders suffered no prejudice.

Does Section 20 apply to emergency repairs? Emergency works are not automatically exempt from Section 20. However, landlords can apply to the tribunal for retrospective dispensation under Section 20ZA if genuine emergencies prevented consultation. Tribunals grant dispensation in these cases provided leaseholders suffered no financial prejudice — but this should never be relied upon as a default approach.

Can leaseholders nominate their own contractor under Section 20? Yes. At Stage 1 (Notice of Intention), leaseholders and any Recognised Tenants' Association have the right to nominate contractors. At Stage 2, the landlord must try (where practical) to obtain an estimate from a nominated contractor. Ignoring nominated contractors is one of the most common reasons for tribunal challenges.

What is Section 20ZA dispensation? Section 20ZA of the Landlord and Tenant Act 1985 allows the First-tier Tribunal to grant dispensation from Section 20 consultation requirements where the tribunal is satisfied that leaseholders suffered no relevant prejudice from the breach. Dispensation may be granted with conditions (e.g. cost contributions from the landlord) and is most often awarded in genuine emergency situations or minor procedural errors.

Get Expert Section 20 Support for Your London Block

At Alban Holloway, we work with London managing agents and RMCs across the full Section 20 process — from initial scoping through to major works delivery.

Early-stage scoping · Vetted contractor estimates · Major works delivery · Dispensation support

Budget planning season is now. Start Section 20 consultations early to handle observations, nominations, and estimates properly.

Alban Holloway Ltd is a London-based property services company specialising in block management, major works, property maintenance services, and EPC compliance for residential and commercial properties across London. View our full range of services.