Jade Green Marble Mortice Door Knob, Polished Chrome (sold in pairs) 
Alexander And Wilks Plain Soap Dish Knob Small 47mm Burnished Brass AW822-47-BB 
Frelan Hardware Lined Mortice Door Knob, Polished Chrome (Sold In Pairs) 
Explore Euro Profile Sash Lock—designed for use with Euro cylinders, offering secure key access and latch function. Ideal for modern doors and easy to install.
Euro Profile Sash Lock
Zoo Hardware ZUKS76EPPCB Euro Profile Sash Lock – 76mm C/W Forend and Strike Powder Coated Black
£16.21