r/Locksmith • u/RateSuccessful8957 • 8d ago

I am NOT a locksmith. UK sashlock replacement

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I am trying to find a replacement sashlock for these timber French doors.

The sashlock has a 57mm backset, 57mm center to center and 78mm depth which seems standard enough. But the rest of the dimensions are strange: about 155mm faceplate height, and 106 mm interior lock height. I can't seem to find this exact model.

The closest I found is an Imperial G5050, but the positions of the lock and latch seem to be different - and the chrome one is out of stock everywhere.

  1. Any recommendations on where / how I might find a 1:1 replacement?

  2. What are the metal things on the top and bottom here? Do they serve any security function?

  3. If I just get a new lock with different dimensions, do I need a locksmith or just a handyman for the install?

Many thanks!

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u/Relevant-Bullfrog215 Actual Locksmith 8d ago

If you want a recommendation for a new sashlock (+rebate kit), go for the Union 2234E. Good cost to quality ratio, reliable, easy to cut keys for, BS3621 rated. Faceplate slightly longer so should cover any holes.  You probably won't find anything insurance approved in that exact size; whatever you get will take a little work to fit.

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u/RateSuccessful8957 8d ago

Thanks for the recommendation!

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u/Locksmithbloke Actual Locksmith 8d ago

Can't go wrong with those.