Your home deserves the best. Our tried and trusted casement window system from market leader ALUK delivers exceptional performance, functionality and safety, every time. With slimmer profiles than uPVC and virtually maintenance free, our aluminium casement windows are available in a wide choice of colours, including dual colour options. Combine our windows with our ALUK door systems for a seamless look.
Our aluminium window range combines versatility with performance, offering styles that work beautifully in both period properties and contemporary builds. Whether you’re updating a Victorian terrace or designing a modern extension, aluminium frames provide the strength and flexibility to achieve your vision.
Contemporary Design Flexibility Aluminium’s strength allows larger glass panes with slimmer frames, flooding your home with natural light. Ideal for bi-fold doors, picture windows and floor-to-ceiling glazing.
Built to Last Powder-coated finishes resist weathering, corrosion and fading. Unlike timber, aluminium won’t warp, rot or need repainting—just decades of reliable performance with minimal upkeep.
Slim sightlines maximise glass area and natural light – Aluminium frames are significantly narrower than uPVC, giving you more glazing and less frame for unobstructed views and brighter interiors
Minimal maintenance – A simple wipe with warm soapy water keeps your windows looking pristine. No painting, staining or specialist treatments required throughout their lifespan
Extensive colour choice from the full RAL palette – Select from hundreds of colours to match or complement your property’s character. Dual-colour options let you choose different finishes for interior and exterior, perfect for conservation areas or personal preference
Complete system compatibility – Create a cohesive look throughout your home with matching windows, doors and conservatories from the same aluminium range, ensuring consistent sightlines and finishes
Beyond our standard ALUK casement windows, we work with premium aluminium manufacturers to give you the perfect solution for your specific requirements. Each system offers distinct advantages for different architectural styles and performance needs.
Origin Global – Ultra-slim frames and exceptional thermal performance for contemporary homes
Smarts Alitherm Heritage – Designed specifically for period properties and conservation areas, combining modern efficiency with authentic heritage styling
Evoke Flush Aluminium – Smooth, flush-fitting design that replicates traditional timber aesthetics with all the benefits of aluminium
This diverse portfolio ensures we can recommend the right system for your property, whether you’re restoring a listed building, renovating a 1930s semi, or building a modern extension.
Simplistic yet elegant in style, our Origin windows feature an external flush casement, creating an ultra-sleek, clean and timeless finish.
A modern light-weight, high strength and cost-effective alternative to traditional steel (crittal) window and door systems.
Both a standard external flush design with a stepped shape internally, and a fully-flush option with flush lines inside and outside.
For more in-depth information on our main aluminium systems, please see our Brochures and Videos page.
Check out our gallery page for photos of aluminium installations by Ruislip Windows & Doors Ltd.
To see exactly which products are Secured by Design accredited, please see the SBD website for member companies.
We’ve been fitting windows, doors, and conservatories for nearly four decades. Our proven process delivers outstanding results time after time, giving customers excellent installations on every project.
One of our experts will visit your home to measure up and discuss your options. You’ll then receive a clear, no-obligation quotation.
Once you’re happy to go ahead, we’ll schedule your installation for a date that suits you best, keeping you informed every step of the way.
Our experienced fitters complete every job to the highest standard, leaving your home tidy and your new windows, doors, or conservatory ready to enjoy.
