Timber windows from Osborn Glass


Osborn glass supply and install high performance, quality timber windows, bespoke and manufactured in the UK. Our double glazed timber windows feature innovative design features.


Our timber windows and hand crafted, with great attention to detail, and if looked after will last a generation. Our comprehensive range will ensure that you can find a product that suits your style, property and requirements. Our timber frames are manufactured in accordance with


Our timber range is perfect for people living in traditional properties or in an area of conservation.


Timber stormproof range.


Our stormproof casement timber windows are available in a wide range of styles, colours and opening options. Frames can be manufactured using different grades of timber, including Accoya, Sapele, European oak and European redwood.


There are four types of sash available for the stormproof windows, please see below;


Ebernoe sash - Single glazing option.
Petworth sash - 16mm glazing option
Amberley sash - 20mm glazing option
Mayfield sash - 24mm glazing option



Flush casement timber windows


Our flush casement timber windows are designed to combine traditional aesthetics with modern technology, particularly suited to areas of conservation and are one of our most popular timber products. Available with four sash types as shown above.


Timber windows security


Our timber windows are designed with security in mind, with mushroom bolts and shootbolts fitted, giving the windows very high security properties. Our windows conform to BS7950 security test.


Timber windows furniture options.


our timber windows are available with various furniture fittings, please see below for the


Shootbolt locking for the stormproof
Aluminium drainage for the stormproof
Restrictors for the stormproof & flush
Rebate restrictors for the stormproof
Espagnolette handles for the stormpoof & flush
Monkey-tail handle for the stormproof
Brass fastener for the stormproof


Glass options.


Our timber windows are available in both single and double glazing as standard. Double glazed windows are A rated as standard. For the range of glass options please see our glass and glazing page.