Originally published 1 June 2025. Law update checked 24 October 2026.
Finding a former occupant back inside may raise a tenancy dispute, suspected break-in or another issue. “Squatter” is not a shortcut: how the person entered, whether permission remains and what happened to the tenancy all matter.
GOV.UK describes squatting as deliberately entering property without permission to live there or intend to live there. It also makes an important distinction: someone who first entered with the landlord’s permission is not a squatter simply because they remain in the home or fall behind on rent. A former tenant may therefore still need to be dealt with through possession law, even where the landlord believes the tenancy should have ended.
If the person left and later came back, the position depends on the evidence and circumstances. Keep the tenancy agreement, notices, messages, key-return records, check-out documents and any evidence of damage. These can help establish the timeline, but they do not determine legal status by themselves. Do not confront anyone if that may put you at risk. Report a suspected forced entry or immediate threat to the police and get advice from a qualified housing solicitor or landlord adviser.
For private renting in England, the rules changed on 1 May 2026. A landlord serving a new possession notice after that date cannot use Section 21. The current GOV.UK process generally requires a valid Section 8 notice using Form 3A, a legal ground for possession and the correct notice period. If the occupier does not leave, the landlord must apply to court for a possession order; enforcement is a separate step. Rules depend on occupancy and the possession ground. Older notices may be covered by transitional rules.
Trying to force out a tenant without the proper process can amount to harassment or illegal eviction. GOV.UK lists changing locks, stopping services such as electricity, or using force among actions that may breach the rules. A court order and the proper enforcement process matter; do not remove belongings or shut off utilities to pressure someone to leave.
This is a general England-focused update, not advice about an individual case. Rules differ in Scotland, Wales and Northern Ireland, and some licences or excluded occupancies follow different procedures. Check current guidance and get legal advice before acting.
Takeaway
A former tenant is not automatically a squatter. Establish the facts, keep people safe, and use the right legal process rather than trying to resolve possession by force.