

Generally it is possible to use your existing locks or latches,
together with your new handles. However please ensure to check the
following:
They still work well
The finish of the lock or latch face match those of the new handles.
The existing lock or latch suits the purpose you require.
i.e if you want to be able to lock the door with a turn and release
mechanism, you may need to replace a latch with a bathroom lock.
There are two types of locks available: