First remove the old door lock by unscrewing the doorknob on the inside of the door.
How to change a front door lock uk.
A 5 lever mortice deadlock conforming to bs3621 will have the british standard kitemark engraved on the faceplate of the lock and operates the same way as a standard 5 lever mortice deadlock.
Step 4 insert the new cylinder into the lock and replace the fixing screw.
The below locksmith prices are estimated costs of how much a locksmith charges to change and replace all types of locks from front back door locks upvc door locks to patio door window garage locks.
Both doorknobs should come loose from the door when you remove the screws.
When the cam is aligned the lock should slide out towards you.
5 lever mortice deadlock conforming to bs3621 more secure type of front door lock back door lock.
As long as you have selected the correct size central gearbox you will have no difficulty in changing it over.
Use our handy how to videos to learn how to change mortice rim cylinder and euro cylinder locks.
How to change a rim cylinder lock.
The price to replace a lock depends on the type of lock brand security standard and if any call out charges are included in the cost.
How to change different types of door locks.
How to change a upvc door lock.
How to change a mortice lock.
The screws may be obscured by the door handle so you may need to turn the handle to reach the screws.
How to change a euro cylinder lock.