Rarely do people pay attention to the types of locks they have on their doors. However, there’s no harm in knowing and understanding the different types of locks and how they work. For instance, your insurer may ask about the types of locks on your front and external doors when getting house insurance. One of the most important factors is to understand the difference between 3 lever and 5 lever mortice lock.

Difference Between 3 Lever and 5 Lever Mortice Lock

Mortice locks are a kind of lockset types available to people. In this article, we’ll discuss 3 lever and 5 lever mortice locks and highlight their differences. Ultimately, you should be able to choose one type that best fits your needs.

The 5-lever mortice lock is a popular type of lock that seems to confuse many people.

5 Lever Mortice Lock

This type of lock is commonly fitted can be locked with a key from both the inside and outside of the door. Unlike locks that are fitted on the surface of the door, these types of locks are fitted in the door’s material.

How Secure Is The 5-Lever Mortice Lock?

It’s important to note that the 5 lever mortice lock is not found on composite and uPVC doors, look out for the below:

  • Open with a key – the lock can be opened from both sides with a key.

    Difference Between 3 Lever and 5 Lever Mortice Lock
    Difference Between 3 Lever and 5 Lever Mortice Lock
  • Wooden door – you will have a timber/wooden door
  • Lock fitted in door material – rather than being fitted on the surface, the lock is fitted into the leading edge of the door.
  • 5 levers – the number of levers is typically stamped on the lock’s faceplate.

What Is The Difference Between a 5 Lever And 3 Lever Lock?

From the different types of door locking mechanisms the main difference between the 5 lever lock and the 3 lever lock is that the latter has fewer levers which make it less secure as there is a higher risk of key duplication. The poor security of a 3 lever lock also means it will not be BS3621 approved.

Door type commonly fitted to

A 5 lever mortice lock is usually found on the following types of doors:

  • Internal doors – not commonly used
  • External back door – very common
  • External front door – very common

Advantages

Consider these benefits for having a 5 lever mortice locks when rekeying or changing your locks:

  • It can be keyed alike
  • More secure than a 3 lever deadlock

Disadvantages

The drawback of a 5 lever mortice deadlock include:

Difference Between 3 Lever and 5 Lever Mortice Lock
Difference Between 3 Lever and 5 Lever Mortice Lock
  • It may not be tested against theft methods

Bottom Line

With those few tips, you now know the difference between 3 lever and 5 lever mortice lock. If you’re still confused and don’t know which type of lock to install on your doors, consider seeking expert advice from a professional locksmith. Be sure to talk to a certified locksmith with the technical knowledge and a wealth of expertise in the industry. They will be able to offer you great tips and tricks to consider.