To install this lock see section 4 below.
Fitting a lock to a new door.
The first job is to mark the position of where the latch is going to sit on the door but before you start marking away make sure that you are marking the correct edge of the door.
Position a mortice deadlock about halfway up the door and fit a night latch on your front door one third of the way down.
A local mla locksmith can fit replace and change all types of door locks such as.
When possible fit two locks on your front door both to bs3621 standard.
Door lock replacement fitting.
Then line up a combination square with the old door s hinge mortises and transfer their locations to the new door marking the edges with a utility knife.
If you have just moved into a new home the first thing to do is change your door locks.
The easiest way to do do this if the old door was a good fit is to lay the new door on top of the old door so the edges are flush.
Unsure of what type of door lock you have.
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.
There are two main options available when fitting a new lock to a solid wooden door.
The same lock can be used in doors that open both to the left and the right.
To fix this add a custom cut plate or a door reinforcer.
Read our door lock type guide here.
Upvc door locks on front and back doors.
If you are fitting a brand new door see the link at the top of this page for how to hang a door if you need help with this then you need to be aware that one side.
Select a lock with the same setback.
Interior doors are usually fitted with a mortise lock with a latch operated by the door handle or knob.
Some doors are less than 1 3 8 inches thick which is the minimum size modern locksets will accommodate.
The most common for heavy traffic entrances such as the front door of the house is the cylinder rim lock which features a key hole on the outside and a simple handle on the inside.
If you only fit one lock go for an automatically dead locking night latch made to bs3621.