British Standard Locks

BS3621 insurance-approved locks supplied and fitted by vetted local locksmiths.

Most home insurance policies require 'five-lever mortice deadlocks conforming to BS3621' or equivalent on final exit doors. The kitemark stamped on the lock faceplate is what assessors look for after a claim. Partners supply and fit BS3621 mortice locks and BS-rated nightlatches, and can confirm what your existing locks are.

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