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BS1 Maximum Security Nightlatch

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Product code:
BS1 Max Security Nightlatch
  • Maximum security
  • Insurance approved
  • 60mm Backset
From £74.99

BS1 Maximum Security Nightlatch

The Yale BS1 British Standard Nightlatche 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.

High Security? We've got it! The BS1 nightlatch lock has been approved to BS 3621:2007, BS EN 12209:2003 and BS EN 1303:2005 the highest level of certification currently available making them one of the best available from the original Yale lock inventor.

Endorsed by the police secure by design scheme and supplied with a high security TS007 approved rim cylinder that includes reinforced protective escutcheon plate.

Ideal for use on wooden front doors where the highest level of security is required.

Size: BS1 - 60mm Backset.


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.

Insurance approved

This lock meets security standards required by insurance companies

10 Year Guarantee

10 year guarantee for greater peace of mind





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
Mortice Deadlock No