The once-a-year rent review: Why timing is everything now
From 1 May 2026, rent increases in England's private rented sector operate within a clear, structured framework.
One increase per twelve-month period, one prescribed process to initiate it, and a straightforward form to complete. For landlords who have previously managed reviews informally, the new system brings welcome clarity. There is now a defined, predictable route to reviewing your rent each year, and landlords who plan around it well will find it works consistently in their favour.
The process itself is simple. What separates landlords who get the most from it from those who do not is timing.
How the Section 13 process works
The lawful mechanism for increasing rent in an assured periodic tenancy from 1 May 2026 is the Section 13 procedure. The landlord completes Form 4A, the government’s prescribed form, specifying the current rent, the proposed new rent, and the date from which the increase is intended to take effect. The completed form is served on every named tenant individually. Once served, the tenant receives at least two months’ written notice before the new rent takes effect.
The form is available free from gov.uk and is straightforward to complete. A correctly served, well-timed notice is all that is required to implement a lawful annual increase.
Why timing makes such a practical difference
The twelve-month rule means the date a rent increase takes effect determines when the next review can begin. If an increase takes effect in September 2026, the next can take effect from September 2027. Serving the notice for that second increase in July 2027 comfortably achieves that date with two months to spare.
The practical reward for planning ahead is simply that you capture your full entitlement each year. A landlord who diarises their review dates and serves notice on time collects the full annual increase from the intended effective date. Across a portfolio of multiple properties, that consistency compounds into a meaningful difference in annual income compared to landlords who allow reviews to drift.
The same principle applies at the start of a new tenancy. The review window opens from the start of the tenancy if no increase has previously been made. Noting that date alongside the tenancy start is a simple habit that ensures the first review arrives on time and every subsequent one follows a consistent annual rhythm.
The tribunal framework supports evidence-based landlords
From 1 May 2026, tenants can refer a proposed rent increase to the First-tier Tribunal free of charge if they consider it above the open market rate. The Tribunal assesses the open market rent and sets it accordingly. Crucially, it cannot set the rent higher than the landlord proposed.
This framework actively supports landlords who approach reviews with clear market evidence. A proposed increase grounded in comparable local rents and current let prices is less likely to be challenged in the first place, and where it is challenged, more likely to be upheld in full. Knowing your local market and documenting your evidence is straightforward and puts you in the strongest possible position.
The simple system that makes this effortless
The most effective approach is also the simplest. Add each tenancy’s review date as a fixed annual diary entry. Set a reminder two months before that date to prepare your comparable evidence and serve Form 4A. Retain a copy of the completed form and evidence of service.
Done consistently, this turns the annual rent review into a routine, reliable part of portfolio management rather than an occasional administrative task.
Talk to our lettings team about rent reviews
This article was originally published by BriefYourMarket and is reproduced here with their permission.
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