Hardwood: Traditional and beautiful with outstanding performance and a wide range of high-tech features. Aluminium: Great strength with impressive durability being a suitable choice for virtually any style of property. UPVC: This option provides a great all-round balance of performance, style and features. We cater for domestic glazing, household secondary glazing, commercial glazing, office glass, shop front glass & Conservatories. Stamford Windows are insurance approved and offer free estimates and advice on all types of Windows, Doors and Blinds and also offer free glass safety inspections on request.