We stock the following manufacturers mortice locks for wooden and metal doors:

Chubb, Union, Yale, Legge / Ingersoll Rand, Asec,
Era, Adams Rite, Banham,  Mul T Lock

All of which can be supplied keyed alike. i.e. If you have several external doors they can be all operated by one key.

We can also supply Chubb, Yale and Mul T Lock mortice locks under
 a master key. i.e. Each lock has its own individual key but it is also operated by another seperate key that also works every other lock in the system.

Attend a Lock supply and fit 5 lever BS3621:2004 insurance rated mortice deadlocks and sashlocks and pin cylinder mortice BS3621:2004 versions.