About this service
A 5-lever mortice deadlock to BS3621 is the gold standard for timber doors and required by almost every UK home insurer on front and back entrances. Our engineers cut, fit and align mortice locks neatly and to manufacturer specification.
What's included
- 5-lever BS3621 Kitemarked
- Chubb, Union, ERA and Yale supplied
- Sashlock and deadlock variants
- Tidy mortice cutting with no visible damage
- From £159 fitted
Our process
Mark
Precise marking for the lock body and faceplate.
Cut
Mortice cut cleanly with chisel and router.
Fit
Lock body, faceplate, strike and box keep aligned.
Test
Key throw, latch and deadbolt all tested.
Where we cover
We provide mortice lock installation across West London, Berkshire and Buckinghamshire, including:

