Fitting A Front Door Lock

If you only fit one lock go for an automatically dead locking night latch made to bs3621.

Fitting a front door lock.

When possible fit two locks on your front door both to bs3621 standard. Expert tip fitting a night latch that is british standard approved will improve the security of your door. To install this lock see section 4 below. However if you only fit one lock make it an automatically dead locking night latch.

Interior doors are usually fitted with a mortise lock with a latch operated by the door handle or knob. The key to success is getting the hole for the cylinder in the right position. The difference between a rim lock and a mortice lock is that a rim lock is fitted on the surface of the door whilst a mortice lock is fitted in the door edge. Take care with the marking out and drilling to ensure excellent results.

As a rule the more levers pins or discs that a lock has the harder it will be to pick. Fitting a front door rim lock fitting a rim lock the yale type lock on your front door is fairly straight forward. For front doors it is best to fit two locks a mortice deadlock about halfway up and a night latch one third of the way down the door.