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  • UPVC door handle won’t lift to lock when closed

    Why won’t my uPVC door handle lift to lock? A uPVC door handle that won’t lift to lock when closed can be a frustrating and potentially dangerous issue. This problem…

  • How does a mortice lock work?

    In this post on the locksmithsoflondon.co.uk blog, we’re going to be considering briefly the question – how does a mortice lock work? What is a mortice lock? First things first,…

  • How to remove key stuck in mortice lock

    Have you ever found yourself standing in front of a door, ready to unlock it, only to realise that the key is stuck in the mortice lock? It’s a frustrating…

  • What is a mortice lock?

    What is a mortice lock? A mortice lock is a type of lock that is installed directly into the door itself, similar to a euro cylinder lock, rather than being…

  • How to measure a mortice lock

    Welcome to our guide on how to measure a mortice lock! Whether you’re installing a brand new mortice lock or simply replacing an existing one, it’s important to get the…

  • How to measure a euro cylinder

    How to measure a euro cylinder lock To measure a euro cylinder lock properly, you need three measurements: (i) the overall length of the cylinder; (ii) the length from the…

  • How often should a fire alarm be tested?

    In the UK, fire alarms in commercial premises should be tested weekly. This is set out in “British Standard BS 5839-1: 2019 – Fire detection and fire alarm systems for…

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