Our City Of London lock installation services are all carried out by trained local City Of London locksmiths. Every lock we fit conforms to british standards - BS 3621 providing security and meeting insurance guidelines where needed.
With burglary's a persistent part of society, making sure your City Of London window locks and door locks are of a high standard will act as the first deterrent.
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Mortice locks are the minimum standard of security that many insurance companies will accept and they come in either two, three or five lever varieties. Security and cost-wise, only five-lever locks should be fitted and the lock must conform to BS 3621. Mortice locks can be fitted either with or without a handle. If fitted with a handle, the door has to be unlocked with a key, and then opened with the handle. This is called a Sashlock.
If fitted without a handle, the door can only be opened using the key; these are called Deadlocks.