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Windows, doors & conservatories - London, Surrey, Kent & surrounding areas
Osborn Glass, 33/34 High Street,
South Norwood, London, SE25 6HA
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Timber Windows

Osborn Windows > Windows > Timber Windows

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;

Door features
Mayfield sash – 24mm glazing option
Door features
Amberley sash – 20mm glazing option
Door features
Petworth sash – 16mm glazing option
Door features
Ebernoe sash – Single 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.


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.

Glass Options

Our timber windows are available in both single and double glazing as standard. Double glazed windows are A rated as standard. To learn more about our Double Glazing please go here.

Brass fastener for the stormproof
Monkey-tail handle for the stormproof
Espagnolette handles for the stormpoof & flush
Rebate restrictors for the stormproof
Shootbolt locking for the stormproof
Restrictors for the stormproof & flush
Aluminium drainage for the stormproof
Other products of interest
Aluminium Windows
Sash Windows
UPVc Windows

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