Profile: Stafford uPVC Windows specializes in the manufacture, supply and installation of replacement PVCu windows, doors and conservatories. Victorian style of conservatory has distinguishing architectural features such as a bay front, steeply pitched roof and ornate ridge details. The bay front has three main windows, widely angled for maximum space. This style is suitable for the majority of locations. Our windows are internally glazed with a 3-point shootbolt locking mechanism, 70mm. All our window frames are made from specially formulated PVCu that resists attack from all sources from weather, from destructive insects and from burglars.