The MORTICE LOCKS must have a minimum of 5 levers and at least 1000 key combinations, a Saw resistant bolt with a minimum 14mm throw and able to withstand 300lbs side and 5000lbs end pressure. A Drill resistant lock case, One or more anti-pick devices

The Association of British Insurers (ABI) guidelines require all final exit doors to be fitted with 5-lever mortice locks (or equivalent) conforming to BS 3621 and marked with the BS Kite mark. Rack bolts or security bolts generally fitted to rear back doors.

If in doubt about your security for home or business please contact a master locksmith listed here on Needalocksmith.com The Locksmith Directory.
All locksmiths will be happy to provide security advice and can provide a security survey at your property and at a time to suite both.

BS3621 kitemark on logos	5 Lever British Standard Door Locks hold the BS3621 kitemark stamped on the front foreend of the lock. This is visible to all when the door is opened. Check your locks conform to insurance requirements!
	5 Lever British standard dead locks The CYLINDER OPERATED MORTICE SASHLOCK also conforms to BS 3621 by ways of again having a hardened plate and boxed keep. But this uses a Yale type key (cylinder key). The cylinder is protected by a security shroud preventing removal of the cylinder. . The cylinders used are a 6 pin cylinder with hardened pins to prevent drilling .Round rose handles will need to be fitted with this lock.
	5 Lever British standard euro sash locks The CYLINDER OPERATED MORTICE SASHLOCK also conforms to BS 3621 by ways of again having a hardened plate and boxed keep. But this uses a Yale type key (cylinder key). The cylinder is protected by a security shroud preventing removal of the cylinder. . The cylinders used are a 6 pin cylinder with hardened pins to prevent drilling .Round rose handles will need to be fitted with this lock.
	5 Lever British standard sash locks ERA Security Products manufacture British Standard dead locks and mortice sash locks for use on wooden / metal doors. These locks are insurance approved and hold the BS3621 kite mark. Locks are available in 2.5" or 3" sizes. Easy to install in place of a 3 lever lock or 5 lever lock not conforming to insurance requirements. Remember to upgrade you locks!
Landlord Lock Security Advice The locks shown on the insurance mortice lock page are not acceptable if the house is occupied by 2 or more people. Fire exit door locks will need to be installed conforming to fire regulations set by the appropriate authorities. For help and advice on fire exit door locks please contact The Locksmith Directory
General Security Advice Fitting a mortice deadlock to an external door may be a good way to secure the door but the door may require a little reinforcement. Please ask about kick plates to enhance the door and frame. These are bolt through plates and come in various finishes.
High security British standard locks Chubb RKS System mortice lock is on of the only British standard mortice locks on the market that offers key restriction on 5 lever locks. The key cannot be duplicated without the correct authority and key card. We will update shortly on chubb locks system RKS.
British standard 5 lever insurance approved mortice door locks can confuse many clients with sizes shapes types, whether it has key security or British standard anti drill plates. If you require advice on lock systems please call us on 07891 340 168. Our help line is just that "We help"