Common Mistakes When Responding to a Section 20 Notice
The same handful of mistakes weaken a leaseholder's position again and again. Here's where they happen, and what to do instead.
Fact-checked against the England Section 20 / service charge framework · Last reviewed 22 August 2026
Ignoring the notice, or setting it aside “for later”
A Section 20 notice rarely resolves itself by being left unread. Even if you’re not ready to respond fully, opening it, noting the deadline, and starting a folder costs nothing and keeps your options open. See our first-steps checklist.
Missing the observation window
The invitation to submit observations or nominate a contractor is usually time-limited. Submitting something short and genuine within the window is far better than a stronger point raised too late to be considered as part of that stage.
Assuming paying (or not paying) settles the question either way
Don’t assume that paying means you can’t still ask questions or pursue a challenge, but also don’t assume that raising a dispute lets you ignore the payment deadline in your lease or demand. Record your concerns in writing promptly, and get advice before deciding whether to withhold any sum, particularly where the amount is significant.
Throwing away or losing earlier notices
Each notice on its own tells only part of the story. Keeping every notice and demand together, with dates, is what turns a vague sense that “something’s off” into a specific, checkable question.
Assuming a consultation failure automatically voids the charge
This is one of the most common misunderstandings. Without dispensation, a consultation failure normally limits what the landlord can recover to the £250 or £100 statutory thresholds - but a landlord who hasn’t consulted properly can apply to the First-tier Tribunal for dispensation, and if it’s granted, the cost may still be recoverable in full. See our dispensation applications guide for why this matters.
Not checking Right to Buy protections if they might apply
If you bought your home under Right to Buy and you’re still within the initial period (generally the first five years of the lease), it’s worth checking your original Section 125 estimate for repair and improvement costs before assuming the current figure is simply what you owe.
Writing an accusatory letter instead of a factual one
A letter that asserts wrongdoing is easy to dismiss. A calm, specific, evidence-led letter is harder to ignore. See our guide on writing an effective observation letter for the difference.
Treating a building-safety case like an ordinary one
If cladding, fire safety works, or an EWS1 form are mentioned anywhere, this needs specialist advice, not a standard response - see our guide on building safety and cladding costs.
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