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Mortice Locks

A mortice lock is a secure mechanism that it fitted inside of a door. Hidden from view, mortice locks give an attractive, sleek finish and are often found fitted to wooden exterior doors. Operated by a key only on mortice dead locks or by a key with a door handle or other door furniture on mortice sash locks, mortice lock sizes are commonly 64mm or 79mm. 

Our range of high quality mortice locks is designed for the trade. We stock hundreds of mortice sashlocks, mortice deadlocks, sliding door locks, metal door locks, bathroom door locks and many more. A BS3621 mortice lock can comply with insurance standards and can be used on commercial and residential properties. They are often used to upgrade 5 lever mortice locks to offer a more secure solution. At the lower end of security, we offer 3 lever mortice locks for internal doors, where a five lever mortice lock is not required. 

Mortice lock installation is easy and quick for qualified tradespeople, using a mortice lock jig, such as the Souber DBB morticer or using a chisel. A mortice lock is one of the most common security products in the UK and we sell a huge range from leading brands including ERA, Union, Yale, Legge, Banham, TSS and Imperial

Mortice Sashlock

A mortice sashlock fits inside the door. It features a deadbolt and a latch. The deadbolt on a mortice sashlock is operated by turning the key and when thrown, provides a secure way to lock hinged, wooden doors. Most mortice sashlocks also have a latch, which is operated by door furniture. This allows the door to be closed without the need for the user to lock the door each time. Normally, the lever on a door handle is pushed down to withdraw the latch, although some 5 lever mortice locks feature a rollerbolt, rather than a latch. The number of levers which a mortice sashlock has will help determine how secure it is against attack by picking. 5 lever mortice sash locks are common on external doors, whereas 3 lever mortice sashlocks are used on internal doors. BS3621 mortice sashlocks are required to meet the requirements of insurance companies but you should always ensure that your client checks before mortice lock installation takes place. 

Mortice Dead Lock

A mortice deadlock is not used with door furniture and features a deadbolt only, which can be thrown or withdrawn by a key. To ensure that the door is locked, the dead bolt must be engaged each time the door is closed. Commonly, on exterior wooden doors, you will see a mortice deadlock fitted in conjunction with a nightlatch. Historically a Yale nightlatch with a Chubb mortice deadlock was a very common fitment to most external wood doors. The number of levers which a mortice deadlock has will help determine how secure it is against attack by picking. 5 lever mortice dead locks are common on external doors, whereas 3 lever mortice deadlocks are used on internal doors. BS3621 mortice deadlocks are required to meet the requirements of insurance companies but you should always ensure that your client checks before mortice lock installation takes place. 

British Standard Mortice Lock (BS3621 mortice locks)

Both mortice deadlocks and mortice sashlocks can meet British Standards. These locks are often required by insurance companies and are fitted to external wooden doors. To meet the requirements of British Standards and to satisfy the insurance standards, a BS3621 mortice lock must have features that include a bolt that throws at least 20mm and hardened plates to prevent attack by drilling. 

6 lever and 5 lever Mortice Lock

5 lever mortice locks often have the same features as BS3621 mortice locks but are not tested to the same standards and are not compliant with insurance requirements. These mortice locks are available as mortice deadlocks or mortice sashlocks.

Detainer Mortice Lock

Detainer mortice locks are very similar to the majority of lever mortice locks, but they feature detainers. Detainers are generally considered to be higher security than levers. Detainer mortice locks are most commonly Union mortice locks which are high quality mortice locks.

3 Lever Mortice Locks

Three lever mortice locks are commonly fitted to internal wooden doors which do not need to be as high security as 5 lever mortice locks. Bedroom door locks and other internal doors are very well suited for use with 3 lever mortice locks and are available as either mortice dead locks or mortice sash locks. They feature 3 levers which will only normally be used on internal doors, but they can still be high quality.

2 Lever Mortice Locks & 2 Lever Rebated Mortice Locks

2 lever mortice locks are normally available as mortice sash locks. They can be normal mortice locks or rebated mortice locks which are designed to be used on a pair of double or French doors. Two lever mortice locks are very low security mortice locks and are suitable for internal doors which do not need to stand up to attack from intruders and burglars.