BS3621 Fortress 5 Lever Mortice Deadlock

• Conforms to the BS 3621:2017; meets the exacting demands of insurance companies and the Police
• 20mm bolt throw for additional strength and security
• Designed with hardened steel plates to resist drilling and two hardened steel plates in the deadbolt to resist hacksawing
• Keys have 1.000 variations for added security
• All steel levers have false notching to resist lock picking.

Ensure premium protection for your property with the BS3621 Fortress 5 Lever Mortice Deadlock—a trusted, insurance-approved security solution built to the highest British Standards. Designed for use on external wooden doors, this high-performance lock is fully compliant with BS3621:2007, making it suitable for residential, rental, and light commercial properties where high security is a must.

Featuring a robust 5-lever locking mechanism, this mortice deadlock delivers superior resistance to common break-in methods such as picking, drilling, or sawing. The hardened steel deadbolt offers excellent strength and reliability, while the anti-pick features provide an extra layer of security.

Whether you’re upgrading an existing lock or installing a new one, the Fortress 5 Lever Deadlock offers straightforward installation and seamless integration with most traditional UK door setups. It is available in a choice of durable finishes including polished brass and satin chrome, allowing you to maintain both security and aesthetic appeal.

Key Features:

• BS3621:2007 certified – meets insurance and legal requirements

• Heavy-duty 5 lever mechanism for enhanced security

• Anti-pick, anti-drill, and anti-saw protection

• Ideal for external wooden doors (inward opening)

• Available in polished brass or satin chrome finishes

• Supplied with 2 keys, faceplate, strike plate, and fixings

• Compatible with most UK-standard mortice lock fittings

Whether you’re a homeowner, landlord, or contractor, the Fortress 5 Lever Mortice Deadlock is a smart, reliable choice for front doors, back doors, and side entrances. Combine with a security escutcheon or BS-rated nightlatch for maximum protection.