However if you only fit one lock make it an automatically dead locking night latch.
Fitting front door lock.
Fitting a front door rim lock fitting a rim lock the yale type lock on your front door is fairly straight forward.
If you don t get this precise the lock may not fit properly.
The key to success is getting the hole for the cylinder in the right position.
Where the door is self closing the latch has an angled or rounded edge and is sprung so that it automatically locks when the door is closed.
Interior doors are usually fitted with a mortise lock with a latch operated by the door handle or knob.
The distance between the edge of the door and the center of the lock hole.
Before purchasing a lock measure your door s backset cross bore and thickness to ensure you find the right fit.
Take care with the marking out and drilling to ensure excellent results.
5 lever mortice deadlock conforming to bs3621 more secure type of front door lock back door lock.
Usually the backset measures 2 3 8 inches or 2 3 4 inches.