Grabex Windows is a manufacturer and installer of high quality windows, doors, conservatories and bespoke glazing made of aluminium, timber and UPVC. We serve London and all surrounding counties. Our wide range of fenestration products for your new build, self-build or renovation extends from traditional sash windows and bespoke timber entrance doors to modern roof lights, bi-folds and sliding patio doors with our signature slim lines of large aluminium HiVision 25 Sliding Doors, Hi-Finity and steel-looking Cube windows.   At Grabex we are focused on delivering consistency in quality, energy efficiency and sustainability of our products - all manufactured in our Orpington factory. As a family run business, established in 2002, we are committed to using only high quality materials and components in its products, so you can rely on our expertise in delivering bespoke products tailored to your requirements. local manufacturer and installer quality for affordable prices never beaten on service energy rated windows multiple products on offer wide selection of windows, doors and glass roofs fast and free of charge quotes and bespoke design consultations