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Search over 1000 windows on SpecifiedBy, from leading Windows manufacturers including; Olsen Windows & Doors, Aluk and NorDan UK.

You can refine your search further by sub-categories of Windows, such as Casement Windows, Vertical Sliding Windows and Tilt & Turn.

Important criteria to consider when specifying Windows include; Features, Colours and Certifications.

KBE 76 double seal system standard

The new trendsetting double seal system KBE 76 is one of the most significant new developments in the profiles segment and offers a competitive, yet trailblazing profile system for PVC-U windows and residential doors. Besides outstanding insulating values, sl...

uPVC Tilt and Turn Windows

Everest Ltd
Everest uPVC tilt & turn windows are a versatile and dual-purpose option. Tilt and turn windows open into a room so you can fully open the window safely without leaning out of your property for great ventilation and easy cleaning. In addition, the window ti...

ALU axxent Concealed Tilt and Turn Gearing

Carl F Groupco Ltd
Load Bearing Efficiency in a Modular, Fully Concealed System The ALU axxent range, manufactured by Siegenia takes advantage of the ALU modular system which simplifies the buying and fitting process of tilt and turn gearing. The system is fitted to any siz...

uPVC Casement Windows

Everest Ltd
uPVC Casement Windows are virtually maintenance free, and will never peel, flake, fade, rust or rot. Our uPVC windows are made-to-measure and expertly installed for a millimetre tight fit, giving you a strong, secure and energy-efficient window. Click an ...

Accoya® Wooden Windows and Doors - Windows & Doors with Certainty

There are many decisions that need to be made when it comes to developing a residential or commercial property. From structural and architectural considerations, to specifying materials for windows and doors, should you choose wood for your windows and doors? ...

Royale Heritage Windows

Duration Group
Our Royale Steel Replacement Windows have been specifically designed as a slim-line, secure and thermally efficient replacement for original steel windows. They replicate the traditional styling, slimness and features of traditional steel windows so closely th...


Enfield Windows
The design of our vertical sliding sash window is the product of an extensive collaboration between the technicians of Enfield Windows Company and the manufacturers. Our Timber Sash Windows are created and designed to reproduce, the timeless look of English ...

Aluminium Tilt and Turn Windows

Perfect Crystal Windows
Our Tilt and Turn windows are easy to clean and operate. The tilt function opens the top of the sash inwards for ventilation, whilst the turn function creates an inward opening side hung operation. Aluminium is very sustainable, endlessly recyclable and very e...

Sliding Sash Windows

Nordica UK Ltd
The Nordica Timber Sliding Sash is a range of vertically sliding windows with a variety of model types depending on your requirements. Manufactured from preservative treated laminated Scandinavian slow-grown Redwood. Also available in Oak and Meranti hardwood...

Triple Glazed Windows

Joedan Manufacturing UK Ltd
First developed in Norway and Denmark, triple glazing was created to provide homes with effective insulation in even the coldest, most freezing temperatures. Once considered expensive and something of a luxury, triple glazed windows are becoming increasingly p...
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Did you know that the Wind Resistance for products within the Windows category, can range from 9 Pa to 2800 Pa and the average is 1762 Pa?

Aluminium Casement windows

Perfect Crystal Windows
Our system encompasses fixed or sashed casement configurations, bays and gables. The system is fully weather stripped to achieve the highest levels of weather performance. All profiles incorporate polyamide thermal barriers to meet the latest Building Regulati...

BDL P2 Natural Pine, Laminated Double Glazed Tilt and Turn L-Shape Combination Window

- Tilt and Turn Window, BDL - left opening as viewed from the inside - Please confirm handing required before placing any resulting orders - External aluminium colour reference RAL7022 - Natural Pine wood frame - Internal finish 2 layers of clear lacquer ...

Alitherm Heritage Windows

Marlin Windows
Inspired by the aesthetics of traditional steel windows, Alitherm Heritage features signature slim sightlines and attractive contours making it the ideal choice for heritage building conservation areas where building regulations demand a like-for-like replacem...

Fibreglass Clad Wood Special Shape Windows

Marvin Architectural
Marvin Architectural will help you achieve the most versatile window design for your home with our unique Fibreglass Clad Wood Special Shape Windows. For example, you can, with assistance from the Marvin Architectural design team, use polygons as sidelights or...

UPVC Windows

Joedan Manufacturing UK Ltd
The extensive range of UPVC windows we provide at Joedan Home Improvements boast outstanding quality as well as affordability. Our window prices are lower than elsewhere and we are proud to have been manufacturing, supplying and installing windows in Glouceste...

Vertical Sliding Sash Windows

CN Glass, trading name of Chipping Norton Glass Ltd
Our traditional sliding sash window is designed to offer customers the potential to perfectly match the existing timber product in their property. Taking all the finest points of the traditional design, the PVC-U version matches the aesthetic appeal while offe...


Add a touch of character to your next renovation project with the Elegance flush casement window. Available in a wide range of designs including cottage, horizontal bar or bay windows, the Elegance window fills the gap between contemporary, conservation and m...

New Era - Casement Windows

Benlowe Group Ltd
- Secured by Design / BS 7950 - Espagnolette Bolts - Multi-locking Shoot Bolts - 28mm, 62mm, 89mm & 114mm Cill Projections - Internal Glazing - Reflex Hinges - Egress Hinges - Factory Glazing - Brass, Chrome, Silver, White, Gold, Black & Brown Handles - Bespok...


Trade Frames
Traditional, top and side opening windows are at the heart of our business. That’s why here at Trade Frames we produce a wide range of off-the-shelf and made-to-measure styles and sizes to suit almost any application. All of our windows are manufactured to ...

Hidden spring sash windows

Clearwood Windows and Doors Ltd
We maintain the traditional sash window appearance with our Hidden Spring™ Sash Windows – reproducing the original charm and character of English sash windows in their form but incorporating double glazed units and using spring balances rather than counter...
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Did you know that the Depth for products within the Windows category, can range from 10 mm to 163 mm and the average is 77 mm?

uPVC & Double Glazed Sliding Sash Windows

Notaro Windows Ltd
Notaro Windows is a leading manufacturer and provider of wood effect uPVC windows in Somerset. Our range of uPVC wood effect windows can add extra warmth and a traditional feel to your Somerset home. Woodgrain or timber effect windows look especially fitting o...