For the best part of three decades, section 21 was the mechanism most landlords never wanted to use but were quietly relieved existed. You didn’t have to prove anything. You didn’t need to point to fault. You simply served two months’ notice and, if the tenant didn’t leave, you applied to court for possession. It wasn’t elegant, but it worked.
On 1 May 2026, it goes. And we think it’s worth having an honest conversation about what replaces it, not the sanitised version, but the practical reality that landlords in Southampton need to understand before the deadline arrives.
What section 21 actually was and why people relied on it
Section 21 of the Housing Act 1988 gave landlords the right to recover a property without needing to give any reason. It didn’t require the tenant to have done anything wrong. It was used when landlords wanted to sell, needed the property for family, wanted to carry out significant works, or simply wanted a fresh start with a different tenancy.
It was also used in situations that legislation was never really designed for: when a tenancy relationship had broken down, when a tenant was problematic in ways that were hard to evidence formally, or when a landlord simply didn’t want to go to court. It was the easy option, and the fact that it existed at all shaped how the entire private rented sector operated.
That option is gone. Understanding what replaces it, and what the realistic timelines now look like, is no longer optional knowledge for landlords.
The last chance to use it: the deadlines that matter
The last valid section 21 notice must be served by 30 April 2026. The notice must actually be received by the tenant by that date. A notice served late, or one that a tenant can argue wasn’t received in time, is worthless.
If you serve a valid notice before that deadline and the tenant doesn’t leave voluntarily, you must begin court proceedings by 31 July 2026. Miss that date and the notice lapses entirely. You cannot then simply serve another one. Section 21 no longer exists after 1 May.
For any tenancy that started on or after 1 January 2026, you cannot use section 21 at all. The tenancy will not have run for the four months required before the deadline arrives, making the notice legally invalid from the outset.
If you have a situation where a property you want to sell, a tenancy that’s become unworkable, or anything where recovery of possession might be needed in the next year or two, the conversation to have is now. Not the week before the deadline.
What takes its place: section 8 and the new grounds
There is no direct replacement for section 21. What there is instead is an expanded and reformed set of section 8 grounds. These are specific, evidenced reasons a landlord can give for seeking possession. The court is not required to grant possession just because you ask. You have to demonstrate that the ground applies and, in most cases, that you have the evidence to support it.
The key grounds for landlords who need to recover possession for legitimate reasons are as follows.
- Ground 1A covers selling the property – If you need to sell, this is the ground you’ll use. The notice period is four months. You cannot use this ground in the first twelve months of a tenancy. For existing tenancies converting on 1 May 2026, that twelve-month protected period runs from 1 May 2026 itself. That means no possession under Ground 1A before May 2027 for any currently existing tenancy, regardless of how long the tenant has been in situ. Once you’ve recovered possession using this ground, you cannot re-let the property for sixteen months from the date you served notice.
- Ground 1 covers moving in yourself or a family member – The same four-month notice period applies, along with the same twelve-month restriction. The family members covered are specific: your spouse or civil partner, your parent, grandparent, child, grandchild, brother or sister, or the equivalent relation by marriage.
- Ground 8 covers serious rent arrears – This remains a mandatory ground, meaning the court must grant possession if the threshold is met. The threshold has increased from two months’ arrears to three months’ under the new rules. The notice period is now four weeks, up from two.
- Ground 14 covers antisocial behaviour – Still available, and discretionary in most cases. Where the behaviour is serious enough, notice can be served and proceedings issued on the same day.
The reality of court timelines under the new regime
This is the part of the new system that hasn’t received enough attention, and it’s the part that most significantly changes the risk calculation for landlords.
Section 21 cases were processed through an accelerated procedure. Section 8 cases are not. They require a full hearing at which the landlord must demonstrate their ground and provide supporting evidence. Courts are already under significant pressure, and the expectation is that possession cases will increase substantially once section 21 is gone.
In practice, from serving a section 8 notice to obtaining a possession order and having it enforced by bailiffs, a contested case can take six months or more. Possibly considerably more, depending on court capacity. That’s six months of continuing tenancy, continuing costs, and the ongoing management of a difficult situation.
This isn’t a reason to despair. Good landlords with well-maintained properties, properly protected deposits, up-to-date paperwork, and sound tenant relationships are highly unlikely to need possession proceedings at all. But it is a reason to understand that the section 8 route is not a quick process, and that getting the foundations right at the start of a tenancy now matters more than it ever did.
What you need in place for section 8 to work
The section 8 process is evidence-based. A court will not grant possession simply because you assert a ground exists. You have to prove it. And there are baseline conditions that have to be met before most grounds can even be relied upon.
- Deposit protection is now critical – Under the new rules, a court will not grant possession under any ground (except antisocial behaviour and certain other limited exceptions) unless the tenant’s deposit has been properly protected in a government-approved scheme and the relevant prescribed information has been served. If you have an older tenancy where deposit paperwork was handled loosely, this needs to be rectified now. An unprotected deposit doesn’t just expose you to a penalty claim from the tenant. It actively blocks your route to possession.
- Rent arrears evidence – If you’re relying on Ground 8, the documentation of arrears needs to be meticulous. A clear rent account showing exactly when rent was due and when it was paid, going back to the start of the tenancy, is the foundation. Bank statements, written rent demands, and any written communication about payment difficulties all form part of the picture.
- Property condition records – A tenant who challenges a possession claim will often raise counterclaims about disrepair. A complete record of maintenance requests, responses, and completed works protects you from the scenario where your possession case becomes entangled with a counterclaim about conditions.
The 12 month protected period and what it means for new lettings
One of the most significant changes for landlords taking on new tenants from May 2026 is the twelve-month protected period for Grounds 1 and 1A. For the first year of any new tenancy, you cannot serve notice to recover possession for selling or moving in.
That changes how you need to think about taking on a new tenant. If there’s any prospect you might want to sell in the next two or three years, you need to consider that before you sign a new tenancy, not after. If you’re not sure you want to hold the property long-term, the calculation around tenanting it at all becomes different.
We’re not suggesting landlords shouldn’t let their properties. The overwhelming majority of tenancies run smoothly, and the new grounds do give landlords legitimate routes to possession when they genuinely need them. But the twelve-month restriction is real, and planning around it is now part of sensible portfolio management.
Speak to the Hunters Southampton team
We’ve spent months preparing for these changes and we’re talking landlords through exactly what they mean for their portfolios. Whether you want to understand the section 8 grounds in the context of a specific property, need help reviewing your deposit protection and paperwork, or want to think through whether full property management makes sense from here, we’re ready to have that conversation.
Call our lettings team, email us, or come into the office. Practical advice, no obligation.
Hunters Southampton | hunters.com/southampton | 02380 987720
*This blog reflects our understanding of the Renters’ Rights Act as of March 2026. This is not legal advice. Always consult a qualified solicitor for guidance specific to your situation.