Aluminium Casement Windows

Aluminium casement windows are the most popular style of window in the UK and are supplied as side or top hung opening sashes. These low maintenance windows are thermally broken* for maximum energy efficiency.  They benefit from pleasing slim sight lines to enhance the aesthetic look of the building.

All windows are supplied white as standard but can be optionally powder coated to any standard RAL colour.  We also offer a large selection of high energy efficient glass sealed units to meet your needs e.g. toughened glass where safety is of concern such as glazing for a school, obscure glass for privacy and anti-sun glass where solar glare is a problem.


* our aluminium profiles are constructed to reduce heat transfer through the system to reduce condensation and enhance heat retention


Casement windows can be supplied in many different styles including, but not limited to:

  • Bay windows
  • Bottom hung casement
  • Bow bay
  • French window
  • Lantern
  • Oriel
  • Picture

Need more information?  Contact 01329 237780


Casement Window

55mm and 75mm depth window systems

Thermally broken with polyamide

Internally and externally beaded

Light commercial and residential applications





Window Options (specify at time of order)

White as standard, large range of RAL colours and finishes available


Window handles

Other options available

Features & Benefits

Side or top opening (outwards)

Secure by design

High performance and durability

Low maintenance

Slim sight lines for aesthetic look

Bespoke design

Thermally efficient

Fire egress hinges for easy escape

Colour Options

All of our aluminium doors and windows are supplied finished in white as standard.  Window and door frames as well as infill panels can be optionally supplied to an exact colour specification to match your branding, building colour scheme or architectural design.

We use the internationally recognised RAL colour system which provides accurate standard colour matching.  Windows and doors can be finished in a choice of more than one colour depending on your requirements.

Aluminium frames can also be supplied anodised in silver and bronze.

Glazing Options

When considering what type of glass you would like, there are a large number of choices.  Your application will in general dictate what glass is most suitable, but when making your decision you will also need to take Building Regulations into consideration as well as your own personal preferences such as security, privacy and thermal efficiency.

We offer a choice of glazing units with window energy rating bandings from ‘A’ to ‘C’ and can advise on achieving U-Values.  Depending on the window style you choose, we can supply sealed units with glass thicknesses ranging from 4mm to 36mm.

An extensive choice of glass is available and includes:

  • Toughened glass
  • Patterned glass
  • Colour stained glass
  • Anti-vandal glass
  • Anti-sun and solar control tinted glass
  • Etched glass with your own design
  • Film – solar reflective, graphics, coloured, obscured, black out, white out

Additional Options

A standard casement window can also be supplied with any of the following optional features:

Window opening systems: teleflex winding gear for high level openings, folding cam openers

Trickle ventilation

Glazed-in vents


Window hinge options: restricted and fire egress hinges

Window fly screens

Vertical blinds fitted within a glass sealed unit

Integrated extractor fans