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BS3 Maximum Security Nightlatch - Emergency Escape

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BS3 Maximum Security Nightlatch - Emergency Escape
  • Maximum security
  • 10 year guarantee
  • Emergency Escape
  • 60mm Backset
From £56.24 Regular Price £74.99

BS3 Maximum Security Nightlatch - Emergency Escape

3The Yale BS2 British Standard Nightlatch offers the maximum level of protection against known attack methods. They are resistant to drill, pick, card and bump attacks and have a 20mm anti-saw bolt for increased strength.

They are insurance approved, Secured by Design approved (recommended by the Police), CE marked, hold the British Standard (Kitemarked to BS3621:2007 KM21358) and complies with BS EN 12209:2003 & BS EN 1303:2005.

Looking for high-security protection? The Yale BS2 Maximum Security Nightlatch combines security and quality to ensure your home is protected. This nightlatch is backed by the police initiative 'Secured by Design' and features auto deadlocking, accredited to British Standard BS8621.

This lock fulfils the requirements of most home insurance policies that require a high-security locking solution on your homes entrance and exit doors.

As well as conforming to BS 3621:2007, BS EN 12209:2003 and BS EN 1303:2005 the highest level of certification currently available, the BS2 nightlatch also come as standard with a TS007 1* 6 pin rim cylinder (which is anti-drill, anti-pick and anti-bump)

An extended and hardened 20mm latch ensure the lock is highly resistant against sawing and the deadlocking function makes card slipping attacks completely ineffective.

The luxury of a built-in snib to hold back the latch means you can pop in and out collecting the shopping without the door closing behind you. The snib can also manually deadlock the latch whilst still retaining the possibility of free escape.


These nightlatches are supplied with two keys as standard.

Push button to hold back the latch

Yale Quality Keys Included

Security Standards

Secured by Design approved 

The Secured by Design scheme is working to reduce crime through sustainable design of products.

BSI Kitemarked 

The Yale BS1 Max Security nightlatch lock is kitemarked to BS3621:2007 KM21358

BSI ensures to create standards that make product excellence a must.





Ideal for use on wooden front doors

Box Contents:

  • Nightlatch x 1
  • Strike plate x 1
  • Reinforced 6-pin rim cylinder x 1
  • Keys x 2
  • Fittings pack x 1
  • Fitting template and instructions

More Information

More Information
Guarantee 10 Years
Lock Size 60mm
Mortice Deadlock Yes
Mortice Security Level Maximum