Aluminium windows
Precision-engineered aluminium windows, tailored for performance and timeless design.
Cherwell’s aluminium windows offer the perfect combination of slimline aesthetics, cutting-edge thermal performance, and flexible design. Available in both double and triple glazing, our range is built around your home’s specific needs—whether you’re looking to increase energy efficiency, enhance natural light or add a sleek architectural detail. With configurations to suit modern and heritage properties alike, our aluminium windows are made to last, engineered for security, and available in a wide range of colours and finishes to match your design vision.
Designed for Performance
Our aluminium windows are engineered for outstanding energy efficiency, with U-values as low as 0.8 W/m²K. Whether double or triple glazed, they help keep your home warmer in winter, cooler in summer, and more cost-effective to run.
Double and triple glazing options for enhanced thermal insulation
A++ Window Energy Ratings with aerogel thermal breaks in select configurations
High acoustic performance – ideal for busy areas or roadside properties
Built to last, with some systems tested to 50,000 open/close cycles
Industry-leading thermal breaks and marine-grade finishes as standard
These features not only deliver day-to-day comfort but also support lower energy bills and a reduced environmental impact—ideal for new builds, extensions and energy-conscious renovations.
Beautiful by Design
Our windows are made to look as good as they perform. From ultra-modern minimalism to heritage steel-look styles, we offer a huge variety of frame profiles, sash options and configurations.
Ultra-slim sightlines as narrow as 65mm, maximising natural light
Choose from casement, fixed light, bay, tilt & turn, French-style, and gable-end windows
Available with flush internal and external finishes
Optional glazing bars and heritage lock box features for period-style properties
Choose from classic, flush, or slimline profiles to suit your design aesthetic
Designed with both square-edge and chamfered bead options for personalised detail
Whether you’re replacing windows in a character home or designing a statement feature for a new space, our range gives you the creative freedom to make it your own.
Security, Choice & Peace of Mind
All of our aluminium windows are built with security and durability in mind—and customised to match your home’s personality.
PAS24-certified security available, with police-approved locking systems
Strong, secure aluminium frames combined with multipoint locking
Top or side-hung opening styles
Available in over 150 RAL colours, including dual-colour finishes
Textured and marine-grade finishes for enhanced durability and design impact
Backed by up to 20-year guarantees for lasting confidence
Available with fast-track options on popular colours
We’ll work with you to specify every detail—from frame profile and colour to handles and glazing—to ensure your aluminium windows enhance both the comfort and style of your home.
Aluminium Windows
Get up close and personal (with our products!)
Visit our window and door design centre
Windows and doors are a big purchase, so making time to get it right is important. We think there’s no replacement for seeing windows and doors ‘in the flesh’, opening and closing them and picking out the fine detailing that brings the all-important finishing touches to your project.
With showrooms in Banbury and Beaconsfield, we bring our product ranges closer to you.
Our Window and Door Design Centre, is located 15 miles north of Oxford in Banbury and carries our complete product range.
