The best way to distinguish which door your lock is fitted on would be to open your door and lock down the edge of your door.
Upvc front door lock types.
Single cylinder only operable on one side with the use of a key double cylinders a key can be used on both sides thumb turn a key operated locking cylinder on one side and a thumb turn on the other.
These locks are divided into three different categories.
5 tips to improve upvc door security the following security additions and extra locks are in order of relevance from most important.
Ideally you need the same locking operation to avoid compatibility issues with the handle set.
There are two main types of door that your lock will be fitted to.
A euro cylinder lock is commonly fitted to upvc composite doors and is used with multi point locking systems and are also fitted to some mortice deadlocks and sashlocks on timber or aluminium doors.
Check the locking operation of your old lock.
In general they come in two forms.
Lever lever door handles consists of a pair inline handles fitted to either side of the door.
Multipoint locks have been primarily used on upvc doors although occasionally and more recently they re being fitted to timber and composite doors.
Lever lever is when the door handle has to be lifted to engage the locks then turn the key once to lock.
Standard nightlatches and deadlocking nightlatches.
A standard upvc door and a composite timber door.
If you are new to buying replacement door lock mechanisms for upvc doors please take some time to view our identifying guide.
What type of door is your lock fitted to.
Type of front door lock back door lock sometimes internal doors.
Types of upvc door handle.
Here we give you 5 ways you can upgrade the security of your upvc door by adding extra security locks without it costing a fortune.
There are 3 main types of locking operation.
Here are the most common types of handles for both upvc and composite doors.
There are a few different types of door handle that can be fitted to a upvc door or composite door.
Deadlocking locks automatically and needs a key to open the door from inside and outside.
Deadlocking latches are more secure.