Types Of Locks

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Locks can be a confusing thing to discuss especially when you’ve not had much experience with them. We’ve compiled some of the most common locks you’ll find in your home so that you’re better informed about which types of locks are suited for certain uses.

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Cabinet Locks

Cabinet locks: These come in a wide variety of sizes and styles for use in filing cabinets, display cabinets etc in both domestic business and retail settings. It is often important to replace like for like as diameter and length of the cylinder and tail are crucial to ensuring the cylinder a) fits and b) functions.

Euro Cylinder

Euro Profile Cylinder: Tends to be replacing other types of cylinder. Can be fitted to the vast majority of types of door – wood, uPVC, metal and even some types of padlock. Easy to source and fit – although it is important to ensure that you have the correct size (there are dozens of different sizes). Fitting the wrong size can make your door vulnerable to ‘cylinder snapping’. There are also a number of grades of cylinder.

Can be suited so a set of cylinders all open with the same key. These are available as Brass or Nickel Plate Finish and in a wide variety of sizes. They can be Key/Key or Key/Thumbturn. They can be fitted to most doors either operating a mechanism along the edge of the door or in conjunction with compatible deadlocks and Sashlocks.

Digital Lock (Digilock)

Digilocks: A great way to enable several people to have access to an area without having to worry about keys. Codes can be changed easily.

Often fitted in commercial settings, changing rooms, schools and other locations where the users can benefit from keyless entry. Digilocks can provide a low cost solution to those that are looking to control the access of their property. Establishments that find allocating keycards/keys impractical can benefit greatly from digital locks.

Gate Locks

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Gate LocksThere are a multitude of styles to suit metal and wooden gates. These enable the gate to be secured, but unlike the traditional bolt/padlock arrangement it can be accessed from either side just like an ordinary door.

Garage Door Bolts

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Garage Door Bolts: Secondary key operated bolts which can be fitted to up-and-over garage doors for additional security


KeysafeSmall secure wall mounted box which can accommodate a couple of keys. Often fitted so that carers can have access to a client’s door key without having to have ownership of the key. The code can easily be changed as necessary

Sash Window Locks

Sash Window Locks: Old sash windows can become insecure of the lock fails due to age. It is possible to replace the lock for a similar one in keeping with the style of window. No one wants a modern lock on an old window frame.

High Security Euro Cylinder

Anti Snap Euro Cylinder

High Security Euro Cylinder (Anti-Snap, Anti-Bump, Anti-Pick, Anti Drill, High Security Euro Cylinder: These are available in Brass and Nickel plated finish and can be Key/Key or Key/Thumbturn as shown here. Insurance policies may require these high security cylinders. The British Standards Kitemark can just be seen on the end of the lock in the photo. As with standard Euro Cylinders they can be keyed alike as part of a Masterkey suite.

Rim Cylinder

Rim Cylinders Example

Rim Cylinder: Commonly found at shoulder height on Wooden doors and usually in conjunction with a nightlatch. It is possible for Rim Cylinders to be keyed alike as part of Masterkey suite.


Deadlock: A door secured with this type of lock can only be opened and closed with the key. There is no integral handle with which to retract the latch. The number of levers in a deadlock indicates the level of security it gives.


Nightlatch: a door lock with a sprung bolt that is operated from the exterior side of the door by a key and from the interior (i.e. “secure”) side of the door by a knob or small handle.