wrote:

On Sunday, 20 October 2019 14:16:05 UTC+1, Chris Green wrote:
So I'm looking for a 'front door lock' which has handles on both
inside and outside to replace the night latch.

Not an exact replacement for the night latch 'yale' type lock, but do you
mean rim latch?

https://www.screwfix.com/c/security-...cks/cat4730042

Owain

They certainly used (c. a century ago) to use latches without the
separate lock, so that would be neater, and I am sure still available.
But why not just used a mortised door latch as used on internal doors
nowadays?
--

Roger Hayter