Profile: Paragon Joinery Ltd supplies bespoke joinery. Our products include side hung casement windows, external hardwood doorsets, sliding sash windows, folding sliding doors and roof lanterns. Virtuoso™ outward opening, traditional, flush casement window design is ideal for both renovation and new build projects. It is totally bespoke to countless configurations of design and dimensions. It is avaliable in a full range of timbers including spruce, pine, larch, alder, meranti and european oak all factory finished to clients choice.