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Lock changes, BS 3621 & uPVC multipoint repairs

Many home insurance policies ask for BS 3621 locks on final exit doors — check your policy wording before choosing a lock.

Keypad lever lock on a commercial door
Photo: Khrystinasnell, Wikimedia Commons, CC0

What this covers

Changing locks, fitting BS 3621 mortice deadlocks and nightlatches, and repairing uPVC and composite multipoint mechanisms.

Before the locksmith arrives

  • Wait somewhere safe and well lit, especially at night.
  • Have ID and proof of address (or the V5C logbook for a car) ready.
  • Do not force the door or window — frame and glass damage usually costs more than the lock.

Locked out, lost keys or need new locks? Tell us what is happening. Request a locksmith