Aluminium double glazed windows from Osborn Glass


Osborn glass offer both Sapa Aluminium systems and the Smart aluminium system throughout London, Surrey, Kent and surrounding areas.


Our bespoke aluminium windows offer strength, durability and slim sightlines and offer a warmth and comfort with a real reduction on heating bills. The advancement of aluminium window technology provides a high resistance to heat transfer from inside the room. The slim sightlines offer maximum light exsposiour to your home. The aluminium windows are designed to last a lifetime, built with inherently strong materials. All of our aluminium window installations are insurance back guaranteed for 10 years.


Aluminium window Styles and Configurations


Aluminium casement windows are available in many different styles, with top hung and side hung openers. With the lightweight material, windows can be made at a much larger size, retaining their strength and usability. Perfect for commercial and retail properties but also equally at home in a domestic environment.


Choice of colours


Our aluminium windows have a powder coated finish as standard. Like our other products these are also available in any RAL colour. Shown below are our standard colours. Matt, satin or gloss finishes can be provided.















Aluminium windows offer maximum security and strength due to the construction and materials that they are manufactured with. Our windows conform to BS 7950/4873, enhanced security performance of casement
and tilt/turn windows for domestic applications.


Furniture options


Our aluminium windows are fitted with espangnolette handles, available in white, gold, silver or Black.


Glass Options


The current building regulation for replacement windows requires a minimum of a C energy rating. Osborn glass as standard offer the higher A energy rated window as standard. This of course can now be upgraded even further to our brand new triple glazed window.


Our windows are glazed with standard Clear or obscure Pilkington glass, depending on your requirements. There are many different types of decoration that can be applied. By applying lead, Georgian bar or even a stained glass design to the window you can add that personal touch. For the range of glass options please see our glass and glazing page