AluLite Opening Window – Slimline Aluminium Heritage Design
The iSteel AluLite Single Opening Window combines sleek, super-slim aluminium sightlines with a heritage-style steel window look. Designed for both modern and traditional properties, it offers high thermal performance and enhanced security, making it ideal for homeowners, architects, and renovation projects such as listed buildings.
Perfectly balancing form and function, this window is bespoke-made to order, allowing customisation in colour, glass specifications, and crossbars to suit your unique style and performance needs.
Request a bespoke quote
Call: 0330 1331 069
Email: [email protected]
Visit: Unit B, Glaziers Yard, 15 Chambers Road, Platts Common Est, Barnsley S74 9SA
Slimline Heritage Design
The AluLite system replicates a classic steel window aesthetic with minimal sightlines, perfect for both traditional and contemporary homes.
Bespoke Options
Choose from a range of colours, handle styles, and glazing options to create a tailor-made solution.
Energy Efficient
Thermally broken design keeps your home warm, reducing heat loss and energy consumption with a U-Value of 1.6 W/m²K.
Built for Security
The multi-point locking system, toughened glass, and robust aluminium frame provide enhanced security and durability.
Need more info?
Feel free to give us a call if you would like to discuss our products in detail on 0330 1331 069.
COLOUR OPTIONS
Available in Black, White, Anthracite Grey and a wide range of bespoke colours.
Matt White RAL9003
Matt Black RAL9005
Matt Anthracite RAL7016
PERFECT FOR:
- Listed building renovations
- Luxury home installations
- Architect-designed projects requiring steel-look windows
- iSteel AluLite is available as fixed window
FRAME & LEAF
- 48mm outer frame, 49mm leaf, 73mm total sightline.
THERMAL PERFORMANCE
- Thermally broken aluminium construction with a U-Value of 1.6 W/m²K.
GLASS
- 28mm Argon-filled double glazing with Low-E coating, offering superior insulation (Glazing U-Value: 1.2)
DESIGN FLEXIBILITY
- 40mm face-applied transoms and mullions with colour-matched intra-spacer bars for a seamless, heritage-style appearance.
COLOUR
Standard colours including Black, White and Anthracite Grey but most colours are possible.
USE
This product is for external use only.
ISTEEL ALULITE
Featuring a super slim frame
Crafted in the UK using the highest-grade aluminium, iSteel AluLite delivers unmatched performance with a sleek, slimline design.
Whether you’re working on a contemporary new build or a heritage restoration, the AluLite system offers a perfect blend of aesthetics and efficiency.
servicing zones
Zone 1: Lancaster, Ripon, York, Leeds, Wakefield, Sheffield, Hull, Manchester, Liverpool, Chester, Lincoln, Nottingham, Derby, Leicester and surroundings.
Zone 2: Carlisle, Newcastle, Durham, Birmingham, Coventry, Peterborough, Cambridge, Ely, Worcester, Gloucester, Hereford, Bangor and surroundings.
Zone 3: Swansea, Cardiff, Bristol, Salisbury, Winchester, Oxford, London, Clemsford, Norwich, Wells and surroundings.
Zone 4: Glasgow, Edinburgh, Stirling, Perth, Dundee, St Davids, Plymouth, Exeter, Southhampton, Portsmouth, Brighton, Canterbury and surroundings.
Why choose bespoke iSteel
Please call us directly or email us at the address below if you require any assistance.
Design
iSteel have our own dedicated design team that will work with you to create the perfect design solution, tailored to your bespoke requirements.
Installation
Watch a video of a typical installation here
Warranty
All iSteel products have a 12-month warranty for mechanisms and a factory warranty for components. The warranty does not cover damage caused by negligent operation or deliberate damage.
Order Process
Ordering from iSteel is simple, send us your enquiry and our sales team will guide you through the process. For more information, please visit our order process page.
