Guides
Section 13, explained properly.
Every guide we publish on Section 13 rent increases, Form 4A, and the Renters' Rights Act 2025 — written around the statute, kept current, England only.
7 Section 13 Mistakes That Invalidate It
The 7 procedural errors that void a Section 13 notice on its face — short notice, wrong form, mid-period dates, the new s.14ZB cap.
Read guideNo noticeNo Form 4A, No Rent Increase
What happens if your landlord raises rent without a Form 4A — and the transitional trap for pre-1 May 2026 notices.
Read guideForm 4AForm 4A Template UK 2026
The current form, the 2026 notice period change, and the four mistakes that void your notice before you serve it.
Read guideSelf-diagnosticIs My Section 13 Rent Increase Invalid?
A 7-point validity check tenants and landlords can run in 5 minutes — Form 4A version, signature, dates, figures.
Read guideService rulesHow to Serve a Section 13 Notice
Post vs personal vs email. Deemed-service dates. What to keep as proof, and for how long.
Read guideRRA 2025Renters' Rights Act 2025: Landlord Guide
What changed on 1 May 2026, what didn't, and the new s.14ZB tribunal cap most coverage missed.
Read guideRent in advanceRent in Advance Under the RRA 2025
You can still take it — one month, after signing. What's allowed, what's banned, and the section behind each rule.
Read guideRent amountsHow Much Can I Increase Rent?
No cap exists — but the tribunal applies a market rent test. ONS data, comparable evidence, and a worked example.
Read guideLimits & capsRent Increase Limits UK
Is there a maximum, or a cap? Why the Renters' Rights Act is not a rent cap — and the three real limits.
Read guideTribunalApply for a Market Rent Determination
How a challenged Section 13 reaches the First-tier Tribunal: who applies, the deadline, and the s.14ZB cap.
Read guideFrequencyHow Often Can Rent Be Increased?
Once every 52 weeks via Section 13 — why the tenancy agreement can't override it, and the 2-month notice rule.
Read guideAgent liabilityLetting Agent Made a Section 13 Mistake?
Who pays when an agent botches a notice — liability, professional negligence, and the s.14ZB consequence.
Read guideFigure errorsWrong Rent Figures on Form 4A
Swapped numbers, increase shown instead of total, decimal slips — the 6 figure errors that void a Section 13 notice.
Read guideCase lawMooney v Whiteland [2023]
The Court of Appeal case that voided a Section 13 notice over a Friday effective date — the strict alignment rule.
Read guide53-week ruleThe 53-Week Rule Explained
Section 13(3B) Housing Act 1988. Why long-running tenancies sometimes require 53 weeks, not 52.
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