Yale BS1 Maximum Security Night Latch Lock, Brass, 60mm Backset

The Yale BS1 Maximum Security Night Latch Lock is engineered to provide the highest level of door security available on the market. It has been rigorously tested and approved to meet the demanding standards of BS 3621:2007, BS EN 12209:2003, and BS EN 1303:2005, representing the pinnacle of British lock certification. This approval makes it one of the most secure night latches available, a pedigree expected from the original inventor of the Yale lock.

Endorsed by the police Secured by Design initiative, this lock is part of a scheme dedicated to reducing crime through intelligent product design. It is supplied complete with a high-security TS007 approved 6-pin rim cylinder, featuring a reinforced protective escutcheon plate to defend against drilling and physical attacks. This makes it the ideal choice for wooden front doors where ultimate security and peace of mind are non-negotiable.

Key Features & Benefits

• Maximum Security Certification: Kitemarked to BS 3621:2007 (KM21358), ensuring the product meets excellence standards set by the BSI (British Standards Institution).
• Police Endorsed: Officially approved by the Secured by Design scheme.
• Insurance Compliant: The security standards met by this lock are typically required by home insurance companies.
• High-Security Cylinder: Includes a reinforced, anti-snap, anti-drill TS007 rim cylinder for superior protection against forced entry.
• Convenient Operation: Features a push-button mechanism to conveniently hold the latch back.
• Premium Build: Constructed from solid brass for durability, strength, and a quality finish.

Complete Fitting Kit

The lock is supplied as a full set, containing everything needed for installation: the night latch mechanism, a strike plate, the reinforced 6-pin rim cylinder, two Yale quality keys, a comprehensive fittings pack, and a fitting template