Door Width Measurement
Measure brick-to-brick at three points: top, middle, and bottom of the opening. Use the smallest measurement and deduct 10mm from it to allow for a proper fit.
Aluminium sash windows offer the perfect balance between traditional aesthetics and modern performance. Designed to replicate the timeless look of classic sliding sash windows, they deliver enhanced thermal efficiency, security, and durability. Our sash windows are an ideal solution for trade professionals working on both heritage renovations and contemporary developments.
At 6 Day Doors, our aluminium sash window range is manufactured for speed, reliability, and flexibility. Whether you’re supplying period-style properties or large-scale residential projects, our systems combine heritage styling with the benefits of advanced aluminium engineering.
Lead Time
From 6 Days
Glazing
Double/Triple
Finishes
Full RAL Range
Supply
Trade Only
Complete the form to receive a tailored aluminium sash window quote. Our trade team will respond with full specification, pricing, and lead time details.
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Aluminium sash windows are increasingly specified across residential and commercial projects due to their ability to combine classic design with modern performance standards.
Replicate the slim sightlines and authentic proportions of timber sash windows with the durability of aluminium.
Engineered with thermal break technology and high-performance glazing to meet current building regulations.
Robust materials and modern locking systems deliver high levels of protection for residential and commercial projects.
Traditional timber sash windows are known for their character, but they often come with ongoing maintenance requirements. Aluminium alternatives replicate the slim sightlines and authentic proportions of timber while offering a far more durable and low-maintenance solution.
Ideal for:
Modern aluminium sash windows are engineered to meet current building regulations and energy performance standards. Unlike older aluminium frames, modern systems incorporate thermal breaks to prevent heat transfer, ensuring:
Security is a key consideration for both homeowners and commercial clients. Aluminium sash windows are designed with robust materials and modern locking systems to deliver high levels of protection.
Security features include:
Aluminium sash windows offer a wide range of configuration options, making them suitable for diverse project requirements.
Choose from an extensive range of finishes, including:
Browse all available colour finishes.
Enhance both functionality and appearance with:
Pricing for aluminium sash windows varies depending on size, configuration, glazing specification, and finish. While every project is different, indicative pricing bands are:
Entry-level aluminium sash windows.
Custom designs with bespoke specification.
Premium heritage or bespoke systems.
For accurate pricing on your project,
Choosing aluminium over timber provides several long-term advantages.
| Feature | Aluminium Sash Windows | Timber Sash Windows |
|---|---|---|
| Maintenance | Low | High |
| Durability | Excellent | Moderate |
| Thermal Efficiency | High (modern systems) | Variable |
| Lifespan | Long | Moderate |
| Cost Over Time | Lower | Higher |
This makes aluminium the preferred option for many modern trade and construction projects.
One of the key advantages of working with 6 Day Doors is our fast and reliable lead times. Our manufacturing processes are designed to support trade professionals who require dependable delivery schedules.
Aluminium sash windows are designed to be low maintenance while offering long-term performance.
No need for repainting throughout the lifetime of the window.
Resistant to warping, rot, and corrosion in all UK climates.
Easy cleaning with standard household products.
For maintenance tips, read our guide here.
Browse alternative aluminium window styles for your next project.
Ready to specify aluminium sash windows for your next project? Get a fast and accurate quote today.
