Casement Windows
Reliable Windows. Built to Perform.
SIMPLE, SECURE AND BUILT FOR EVERYDAY USECasement windows designed for efficiency, security, and long-term value.
Rated 4.5 out of 5 on Google
Based on 131 Google reviews from customers across Northern Ireland.
Classic Window Style
Casement windows offer a clean, practical look that suits both modern and traditional homes.
Easy Ventilation
Designed to open smoothly, giving you fresh air and everyday control over your living space.
Energy Efficient
Quality glazing and insulated frames help reduce draughts, heat loss and outside noise.
Secure by Design
Strong frames and reliable locking systems help keep your home safe and comfortable.
Available in a range of finishes
From authentic grain-effect foils to spray-painted RAL colours match any home style
white
Cream
Anthracite
Black
Rosewood
Oak
Green
Blue
Dual colour
Grain foil
Why Choose Casement Windows?
The traditional Casement style window Is the most popular and versatile window design and offers superb protection against the wind and rain. Hinged either on the side or at the top, casement windows are the most energy-efficient option for most homes, and with a vast range of styles and decorative finishes available, Advanced casement windows are designed to complement any house type.
60mm & 70mm profile systems
WER ‘A’ ratings with standard double glazing
Whole window U-values of 0.8 with triple glazing
Multi-point locking systems as standard
Range of opening configurations & styles available
Secure, stylish and durable product range
Casement Windows Energy Performance
Available with 28mm double or 44 mm triple glazing, with exceptional levels of energy performance ensure you enjoy savings on home heating bills and reduced carbon emissions.
For maximum performance, our high-performance triple glazed windows (fitted with Soft Coat Xtra glass and Argon gas) achieve whole window U-values as low as 0.8 w/m2K.
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How does our U-value compare?
Lower U-valve = less heat lost. WER 'A' Rating as standard on every Advanced window.
Single glazed (old)
5.8 w/m2K
Standard double glazed
2.8 w/m2K
Advanced double glazed
1.3 w/m2K
Advanced triple glazed
0.8 w/m2K
Choose how your window opens
Available in a vast range of styles, sizes and opening configurations to suit every home.
Side hung
Opens left or right on vertical hinges. Most popular choice.
Top hung
Hinged at the top, opens outward at the bottom.
Double casement
Two side-hung sashes opening outward from the centre.
Tilt & turn
Tilts inward for ventilation or turns fully open for cleaning.
Casement Windows Security
Tough, robust and durable. Advanced frames are fully welded, internally beaded and steel reinforced for maximum strength, and because they are made to measure, structural integrity. Advanced windows are also fitted with a high performance multi-point locking mechanism as standard, ensuring the highest levels of safety and security for your home. For enhanced security, shootbolt locking is available as an optional extra. All window components and hardware are specifically selected and fitted to ensure ease of use and long term performance.
Styles and Colours
Fully sculptured for enhanced visual appeal, Advanced windows are available in a vast range of styles, sizes and opening configurations, with the option of adding Georgian or Astrical bars for a more traditional appearance. For maximum personalisation, Advanced windows are available in a range of colour options, from authentic grain-effect foils to spray-painted RAL colours.
Glass options for Casement Windows
Available with 28mm double or 44 mm triple glazing, with exceptional levels of energy performance ensure you enjoy savings on home heating bills and reduced carbon emissions. For maximum performance, our high-performance triple glazed windows (fitted with Soft Coat Xtra glass and Argon gas) achieve whole window U-values as low as 0.8 w/m2K.
Key features
WER 'A' Rating
Energy rated as standard the highest achievable window energy rating.
Multi-point locking
High-performance multi- point lock on every window as standard.
10-year guarantee
Product performance guarantee on all Advanced windows.
Shootbolt locking
Optional extra for enhanced security on ground floor windows.
Made to measure
Every window manufactured to exact measurements for a perfect fit.
Reduced carbon emissions
Argon-filled units and warm edge spacer bars maximise thermal retention.
Reliable Windows. Built to Perform.
Casement windows designed for efficiency, security, and long-term value.