These timber casement are the perfect solution to double glaze your windows without having to replace the window frames. Designed to take slim heritage double glazied units, they are an ideal solution for conservation areas and can often be fitted without the need for a planning application. Always check with your conservation office first


Made using premium Accoya

Manufacturers 50 year guarantee against rot

Ideal for double glazing homes in conservation areas

Supply your own glass

Designed for use with traditional glazing putty

All mortice and tennoned

52mm wide stiles & top rails

75mm wide bottom rail 

Machined with traditional ovolo mouldings found in 80-90% of conservation areas

Installation will need to be carried out by a skilled trades person


When measuring width, please allow up to 5mm over

When measuring height, please allow to up 10mm over




Casement (Lower) 400mm - 500mm wide

Width (mm)
Height (mm)
Depth (mm)


    Unit 6B, Park Farm Business Park Leicester United Kingdom LE7 9FN