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.

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Limits & caps

Rent 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.

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Rent amounts

How Much Can a Landlord Increase Rent?

No cap exists — but the tribunal applies a market rent test. ONS data, comparable evidence, and a worked example.

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Validity

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.

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No notice

No 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.

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Form 4A

Form 4A Template UK 2026

The current form, the 2026 notice period change, and the four mistakes that void your notice before you serve it.

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Frequency

How 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.

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Templates

Rent Increase Letter Template

A letter can no longer raise rent in England — only Form 4A can. What a letter is still good for, plus a free accompanying-letter template.

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Self-diagnostic

Is 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.

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Reissue

Section 13 Notice Rejected? How to Reissue

A void notice has no legal effect — so you can serve a fresh one. Whether the 12-month clock resets, and how to reissue Form 4A without repeating the mistake.

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Service rules

How to Serve a Section 13 Notice

Post vs personal vs email. Deemed-service dates. What to keep as proof, and for how long.

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Notice period

Rent Increase Notice Period 2026

Two months, aligned to the tenancy period. The exact dating rule, common mistakes, and what short notice does to validity.

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RRA 2025

Renters' Rights Act 2025: Landlord Guide

What changed on 1 May 2026, what didn't, and the new s.14ZB tribunal cap most coverage missed.

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Rent in advance

Rent 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.

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Tribunal

Apply for a Market Rent Determination

How a challenged Section 13 reaches the First-tier Tribunal: who applies, the deadline, and the s.14ZB cap.

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Challenge

My Tenant Challenged My Rent Increase

What a tribunal referral means for landlords, the s.14ZB cap that only lets the tribunal confirm or reduce your figure, and the evidence that decides it.

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No response

Tenant Not Responding to a Section 13 Notice?

Silence isn't a problem — if the tenant doesn't refer the notice to the tribunal in time, the proposed rent takes effect automatically.

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Timing

Can a Landlord Backdate a Rent Increase?

No — the new rent starts on the Form 4A effective date, never in the past. Missed months are lost, and backdated 'arrears' aren't arrears.

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Review clauses

Rent Review Clauses and the RRA 2025

From 1 May 2026, review clauses don't take effect. Section 13 is the only route — what this means for landlords with existing agreements.

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Tenant rights

Can I Refuse a Rent Increase?

You can't void a Section 13 notice by refusing it — but the free tribunal route can only set market rent or lower since 1 May 2026.

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Agent liability

Letting Agent Made a Section 13 Mistake?

Who pays when an agent botches a notice — liability, professional negligence, and the s.14ZB consequence.

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Agent compliance

Letting Agent Rent Increase Compliance

Post-RRA, Section 13 is the only lawful rent-increase route on every periodic tenancy — the per-tenancy standard agents now carry, with the liability.

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Agent operations

Bulk Section 13 Notices at Volume

Run a whole-book rent review without the per-tenancy 52-week clock voiding notices — batch Form 4A and the portfolio-sweep trap.

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Figure errors

Wrong Rent Figures on Form 4A

Swapped numbers, increase shown instead of total, decimal slips — the 6 figure errors that void a Section 13 notice.

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Case law

Mooney v Whiteland [2023]

The Court of Appeal case that voided a Section 13 notice over a Friday effective date — the strict alignment rule.

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53-week rule

The 53-Week Rule Explained

Section 13(3B) Housing Act 1988. Why long-running tenancies sometimes require 53 weeks, not 52.

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Comparison

Noticr vs Property Management Software

A specialist compliance tool and a full management platform solve different problems — an honest comparison, including what Noticr deliberately doesn't do.

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