Windows and Glazing includes everything you need to let light and natural ventilation into any space, both internally and externally – think glazing systems, glazing units, passive windows, secondary windows, window accessories, window components, window screens, and windows.

Windows and accessories are used in the vast majority of commercial, residential, and industrial properties, including gyms, sports centres, schools, hotels, hospitals, shopping centres, restaurants, and office buildings.

Through SpecifiedBy, you can search the biggest range of products in the UK, allowing you to source and compare the best windows and accessories solutions for your project, from some of the industry’s leading suppliers, including Alcoa, Astralux, Bereco, Colt UK, DBP Partners Lts, Décor Systems, Eurocell, Glassolutions, and Green Building Store.

Search and compare curtain walling, direct glazing, fire resisting glazing systems, glazing clips, double glazing units, leaded glass, toughened glass, wired glass, triple-glazing units, window hinges, window locks, window pivots, and much, much more.

Thermal & Weather Performance Glazing

Wright Style Limited
Thermal & weather performance for doors, screens and windows is a key element to be considered in any commerical building. At Wrightstyle we can provide a variety of bespoke solutions to meet a projects specifications. We are here to help and can guide you t...

Traditional Timber Sash Windows

Perfect Crystal Windows
The Traditional Sliding Sash Window is very popular throughout the British Isles. The technical design allows for single glazing or provides high-performance double or triple glazing with the application of perimeter gaskets using traditional weights and pulle...

Conservation Windows

Marvin Architectural
Marvin Architectural’s Conservation Windows include the Traditional Weighted Sash Window and the Traditional Casement Window and has been developed for those who wish to replace windows in listed, conservation and period buildings wanting to retain the histo...

AA100 50mm Curtain Wall

The AA®100 Curtain Wall system provides a unique dry jointed façade solution that has been designed and developed to provide the specifier with opportunities to design original and exciting facades. The system is available in a variety of styles and is suita...

Diamond Suite - Casement

It not only looks good, it's security conscious as well by complying with BS7950 (enhanced security) in addition to achieving BBA and BSI accreditations. A comprehensive range of ancillaries allows varying product types to be manufactured, including Mock Horn ...

Solar Control Glass

By adopting the latest technology Romag is able to process the new generation of high performance soft coated low emissivity insulating glasses and toughenable solar control coated glass variants. The Romag solar control series invites the architectural use ...


Smart Systems
EcoFutural is a versatile range of high performance commercial windows suitable for use as tilt turn, pivot, casement, fixed and open out casement windows. All EcoFutural profiles utilise Smart’s chambered polyamide thermal break technology which creates ...

FTP-V P2 Natural Pine, Laminated Double Glazed Centre Pivot Window

- FSC Certified. - BBA Approved (02/3944). - Semi-automatic pressure ventilation V40P to prevent wind gusting. - “topSafe” security and safety offering reinforced hinge and keep together with a steel slat to the lower part of the sash to achieve at leas...

Riveted Sash Chain

Pickard Hardware
Heavy sash chain to suit weighty sashes. Rust proof mild steel links with copper rivets. ...

3e Blind - Curtains

Curtain and Blind Specialists
Welcome to the new 3e Blind – a motor operated blind which combines immaculate smooth performance with amazing looks – every time. 3e Blind fabrics can achieve glare control, insulation, room darkening or privacy – but they don’t just perform, they al...
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Did you know that the Thickness for products within the Windows & Accessories category, can range from 0.32 mm to 500 mm and the average is 21 mm?

Flush casement triple glazed timber aluminium composite windows (71/63mm)

GreenSteps Ltd
GreenSteps flush casement windows for high performance domestic and commercial projects. KEY CHARACTERISTICS: Timber aluminium composite frames - Frames are made of engineered pine as standard, but oak, larch and special hardwoods are available on request....

Traditional Weighted Sash Windows

Marvin Architectural
Marvin Architectural’s Traditional Weighted Sash Windows come with the best technology in the industry in terms of superior insulation and meet heritage requirements for conservation and listed buildings throughout the UK. The options for bespoke profiles...

Eclipse Advantage

Pilkington United Kingdom Ltd
Pilkington Eclipse Advantage is a range of high performance solar control on-line coated clear or body-tinted glass, with unique colours and low-emissivity properties. Specifically designed for use in countries with a warm climate, well-suited to both commerc...

Windows - Various Window Types

Malbern uPVC Windows & Doors Ltd
Trust Malbern to supply and fit windows that suit the style of your home, give added kerb appeal yet make your rooms seem lighter and brighter too. That's because our new windows have bevelled edges which make them look slimmer and more streamlined than tradi...

Ballistic - Bullet Proof Glazing

Wright Style Limited
Designed as a primary system against ballistic attack, offering protection from a range of firearms. Bullet proof glass alone will not give complete protection. A combination of bullet proof frames with suitable ballistic glass is required to achieve full secu...

Royale Aluminium Sash Windows

Duration Group
Our Royale Sash Window incorporates the traditional styling of wooden box sash windows with the advantages of a thermally broken aluminium profile. A stylish, low maintenance and authentic sash window that is suitable for use in heritage and conservation areas...

Duration VS Plus Vertical Sliders

Duration Group
Our VS Plus Sash Windows have a square, clean and simple design that is suitable for most applications. It is perfect for use in all types of modern architecture and provides a low maintenance alternative to timber sash windows. A combination of sealed units u...

Conservatory Roof Blinds, Skylight Blinds, External Roof Blinds

Caribbean Blinds UK
Keep rooms cool along with offering glare protection and privacy with our external roof blinds running over roof lights, skylights and conservatory roofs, glass verandas and atriums of all sizes and inclinations. By physically blocking the suns incoming solar...

airvent Thermal Break Glazed In Window Vent

A high performing glazed in vent which provides a complete thermal barrier in the closed position. Its double seal and pressure pads ensure that it is ideally suited for high and exposed locations. Core features include: Thermally broken (uPVC Barrier) Ins...

Softline - Casement Windows

BB Bertrand Windows and Doors
SOFTLINE Window. Classical solutions, modern form and intrinsic beauty of wood – these are prime features of Softline product range. Thanks to their rounded edges and gentle shapes we gave our windows aesthetic design maintaining very good window performance...
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Did you know that the U-value (overall) for products within the Windows & Accessories category, can range from 0.4 W/m2k to 1361 W/m2k and the average is 9 W/m2k?

Heritage Casement Windows

Heritage Flush Casement Windows are fitting for listed properties or those governed by the demands of conservation. Bereco Casement Windows feature lambs tongue mouldings and bars, fixed sashes for non opening lights creating equal sight lines, casement stays,...

Windows & Glazing Building Products