Invariably popular night latches, sometimes referred to as “Yale locks” or “Rim locks” are surface-mounted locks that are not morticed into the door. They come in different sizes and designs.

But how to know which night latch is approved by insurance agencies? 

ERA High Security Nightlatch

First of all, to be insurance-approved, a night latch needs to meet the BS3621 standard. ERA Hight Security Nightlatch – perfect for solid or glass panelled, timber or composite doors. Not only is BS3621 certified, but it automatically deadlocks when your door is shut. It provides additional security thanks to a locking internal handle and 6 pin cylinder with an armoured pull. The latter prevents a drill attack. Thanks to these features, Era High Security Nightlatch is insurance and police approved.

era high security

What else to pay attention to?

You should search for a British Standard night latch which bears the Kitemark – insurance companies accept them. Another popular option is a Yale High Security Nightlatch, similarly to the ERA product boasting anti-card slip protection. This prevents your lock from being vulnerable to this technique that only requires a card sized piece of plastic. Yale High Security Nightlatch is ideal for use on wooden front doors where the highest level of security is required.


If you’re interested in what night latch to get for your property or want to have other insurance approved-locks installed, then look for a master locksmith near you. For example, if you live in Beckenham or Bromley, simply type in “BR3 locksmith”, “SE19 locksmith” or “South East London locksmith” in your browser to find a certified local locksmith service.

If you still have questions, contact WG Locksmiths today!