Mayfair Door Handle Din Bathroom Backplate Satin Brass & Turn & Release 
Kensington AB lever on rose (no outer rose) 
Locks And Latches
Eurospec Rollerbolt Nightlatches (60Mm Back Set), Polished Or Satin Chrome Or Polished Brass
£30.13 – £31.61
This product has multiple variants. The options may be chosen on the product page
Deadlocking Nightlatches
Heritage Brass Rim Cylinder Nightlatch (40Mm Or 60Mm), Polished Brass
£60.77
Locks And Latches
Heritage Brass Rim Cylinder Nightlatch (40Mm Or 60Mm), Polished Brass
£30.55 – £32.55
This product has multiple variants. The options may be chosen on the product page
Euro Profile Locks
Zoo Hardware Vier Precision Oval Profile 5 Pin Cylinder & Turns (60Mm, 70Mm Or 80Mm), Polished Brass
£7.42 – £8.35
This product has multiple variants. The options may be chosen on the product page