What is the best lock for uPVC door?
To secure your uPVC door locks you must use the correct standard of euro cylinder lock. The most secure standards are SS312 Diamond approved lock OR at least Kitemarked to TS007 3 Star, both these standards include testing to protect against lock snapping.
Are all uPVC door locks the same?
There are five types of locking operation for Upvc doors: Lift Leaver, Nightlatch Locking, Key Wind, Fast Locking (Europa Plus) and Automatic Locking. Please see the diagram below for a description of the different Upvc door locking types.
Can you replace locks on uPVC doors?

If you need to change the lock on a uPVC door, you can change just the lock barrel which is an easy job and only takes five minutes.
How do you lock a uPVC door?
Instructions
- Unscrew the long screw on the side of the lock and set aside.
- Turn the key while in the lock and pull out. You may need to wiggle at the same time.
- Slot in the new uPVC lock and turn the key until trapped.
- Screw the long screw back and that’s it.
How safe are uPVC door locks?
These locks can be a real security risk unless they are fitted with certain type of barrel. The main reason these locks are so vulnerable is they can be so easily snapped and pulled out of the handle, leaving thieves a free pass to open the locked door.

How do I know if my door is composite or uPVC?
uPVC doors are made purely with plastic, whereas composite doors are made from a number of different materials which are compressed and glued together in high pressure conditions. Composite doors defeat uPVC doors in thickness at 44mm as they are only 28mm.
What are the locks on uPVC doors called?
uPVC door locks are often described as multi point locks, this is because they usually have multiple locking points along the door. uPVC door locks come in hundreds of different variations but with this guide we aim to make identification a pretty straight forward process.
How do you fix a broken uPVC door lock?
It can be easily fixed by you. You need to find the barrel and the screws that hold the lock in place. When you locate the screws or screw, tighten it with a screwdriver. This tightens the loose door handle and your door should now work properly.
Can you change door locks yourself?
Replacing door locks is a relatively simple DIY project. If you know your way around a basic screwdriver, you should be able to tackle it in under an hour. Full installation instructions come with the new locks and customer support hotlines are often available to answer any questions.