Aluminium system
Stellar
Contemporary residential aluminium with a focus on slim, flush appearances.
Overview
About Stellar
Stellar was developed specifically for residential aluminium work, with an emphasis on flush external appearances and slim frames.
It suits homeowners who want the aluminium look without moving to a commercial-derived system.
Ownership: UK aluminium window and door system designed for residential replacement work.
Systems / Ranges
Ranges within this system
Aluminium windows
Flush and standard appearance options.
Doors
Residential door options within the system.
Appearance
External and internal appearance
Slim, flush-appearance aluminium sightlines designed specifically for residential replacement work.
Window / door types
Products available in this system
- Aluminium windows
- Residential doors
Colour options
Colour and finish
Standard powder-coated RAL colour ranges typical of residential aluminium systems; confirm the current options with your installer.
Glazing capability
What it can glaze
Designed to carry standard sealed units suited to residential openings; exact maximum pane size depends on the range quoted.
Thermal performance
Thermal performance
A thermally broken aluminium system. We do not quote a specific U-value here — ask your installer for the whole-window figure that applies to your quotation.
Security
Security
Multi-point locking is standard. Confirm any specific security standard on the installer's own paperwork for the product supplied.
Best suited to
Typical applications
- Contemporary replacement windows
- Aluminium upgrades on modern housing
Things to consider
Strengths and things to consider
Strengths
- Designed for houses rather than adapted from commercial systems
- Flush external appearance available
- Contemporary look with slim frames
Things to consider
- Availability depends on your installer's fabricator
- Aluminium sits above PVC-U on price
Before you sign
Questions to ask an installer
- 01Is this the flush or standard appearance?
- 02What colour and finish warranty applies?
The Glazora view
A good residential-first aluminium system. Compare it against a premium PVC-U flush option before assuming aluminium is the answer.
See how Stellar compares directly against another system, or get a quotation based on your own property.
Source / last verified
Where this information comes from
Source: Manufacturer published system literature and trade/fabricator-facing brochures in general circulation.
Last verified: Structure reviewed February 2025 — figures below are qualitative pending direct manufacturer confirmation.
Still needs verification against manufacturer literature:
- Sightline and frame depth figures
- Maximum pane sizes
- Any specific U-value
- Threshold options