Before you learn how to change door locks measure the space where you ll install the replacement.
How to fit a yale lock to a wooden door.
To install this lock see section 4 below.
A non tested night latch can be used for access but it must be supported with a tested lock so you would have two locks on the door.
If you only fit one lock go for an automatically dead locking night latch made to bs3621.
Position a mortice deadlock about halfway up the door and fit a night latch on your front door one third of the way down.
This video is for information pur.
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For a mortice deadlock prices start at between 25 and 35 and for a bs3621 approved night latch expect to pay a price starting from around 45.
This is not a step by step instructional video.
Take care to measure carefully as matching the size can be especially problematic in older homes.
Enjoy this video of me installing a yale mortise lock in fast motion.
Video showing how to fit a yale type lock to a wooden door.
The price of a new door lock supply only is likely to start at around 15 25 for a basic cylinder lock for a upvc door.
When possible fit two locks on your front door both to bs3621 standard.