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Locks guide.
Lock up for extra security
Your guide to approved locks and security devices.
| Image | Lock type | Description |
|---|---|---|
 | Cylinder rim locks | Cylinder rim locks are mounted on the inside of the door, they have a cylinder that connects to the keyhole on the outside of the door. If they do not comply with British Standard BS3621, additional security would be required; on timber doors they can be used in conjunction with a BS3621 approved mortice lock. |
 | Mortice locks | Mortice locks are physically embedded into a slot in the door. If you have an external timber door, it must be secured with a British Standard BS3621:2007 5 lever mortice lock. |
 | Multi-point locking system | A multi-point locking system has a minimum of three locking points that all lock simultaneously by the turn of a key. Multi-point locks are most common on uPVC doors. |
 | Patio door and window locks | Key operated locks are fitted to the top or bottom of a window or door. |
 | Key operated window locks | Key operated locks are located on a handle that closes the window or door. |
More security to consider
- Hinge bolts
Fitted to the leaf of any outward opening door. - Anti-lift device
These are fitted to patio doors to prevent them being lifted out of the frame. - Patio door locking bar
Prevents doors from being opened and tilted out of the frame. - Key-operated rim security bolt
These are fitted vertically to the top and the bottom of the first closing door. - Multi-point locking system bolt types
These are fitted by the manufacturer in uPVC style doors to lock vertically. - Hook bolt lock
Usually fitted to sliding doors, this lock prevents the door being lifted to release the lock. - Louvre windows
Uses brackets which the glass should be fixed into with adhesive. This stops the glass panes from being slid out. - Window grille
A window grille suitable for domestic use. Fitted to the inside of the window and pulled across to lock. - Home alarm system
A home alarm can act as a powerful deterrent against burglary.
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