Can I replace a door lock myself?
Often yes, if it is a euro cylinder on a uPVC or composite door: the cylinder is usually held by one screw and swaps whole. The hard part is buying the right size, ideally TS007 3 star. Fitting a new mortice lock or repairing a multipoint mechanism is a harder job.
Is it cheaper to rekey a lock or replace it?
In the UK, replacing is the usual answer for a euro or rim cylinder, because cylinders are made to swap whole and rekeying tends to save little. Replacing also lets you upgrade to a TS007 3 star cylinder, rather than keeping an old, unrated lock with new keys.
Should I change all the locks after buying a house?
Usually yes, because you cannot know who still holds a key: previous owners, tenants, cleaners, builders or estate agents. Police security guidance says that if you cannot account for all the keys, change the locks. Start with every outside door.
Can I change my locks after a burglary?
Yes, and police advice is to repair or replace the locks if a burglar forced their way in or took your keys. Report it to the police first for a crime reference number, and tell your insurer before work starts. If you rent, speak to your landlord as well.
Can a tenant change the locks?
In England it depends on your tenancy agreement, and many require your landlord's permission first. Shelter's advice on preventing an illegal eviction says you can change the locks if you feel unsafe, keeping the old ones to refit when you leave. This is general information, not legal advice.
Is it illegal to lock someone out of their house in the UK?
In England, a landlord who locks out a tenant without a court order carried out by bailiffs usually commits a criminal offence under the Protection from Eviction Act 1977. Lodgers who share their landlord's home, and partners living together, are covered by different rules. This is general information, not legal advice; Shelter or Citizens Advice can advise.
