Smart Alitherm Heritage 'Steel Look'

Timeless Steel-Look Design with Modern Aluminium Performance. Elegant heritage style. Modern efficiency. Built to last.

The Smart Alitherm Heritage window system is the ideal choice for projects that demand the classic appearance of traditional steel windows with all the advantages of modern aluminium technology. Designed to replicate the iconic slim sightlines and timeless detailing of period steel frames, Alitherm Heritage delivers outstanding thermal performance, security, and durability — making it perfect for both refurbishment and contemporary developments.

Why Choose Smart Alitherm Heritage Windows?

With their iconic design and advanced engineering, Smart Alitherm Heritage windows offer the perfect combination of style, performance, and longevity. Lightweight yet strong, they provide the classic look of steel without the maintenance — making them a smart choice for homeowners, architects, and developers alike.

Designed for Heritage, Perfect for Modern Living. The Alitherm Heritage system bridges the gap between traditional style and contemporary performance. Whether you’re restoring a period property or creating a modern home with industrial charm, these aluminium windows capture the essence of classic steel design while meeting today’s thermal, weather, and security standards.

Key Features of Smart Alitherm Heritage Windows

Authentic steel-look design

Ultra-slim profiles, deep bottom rails, and optional horizontal bars recreate the character of original steel windows.

Thermally broken aluminium

The advanced polyamide thermal break ensures impressive energy efficiency with U-values as low as 1.5 W/m²K, helping to reduce heat loss and energy costs.

Heritage and modern compatibility

Ideal for listed buildings, conservation areas, and industrial-style new builds seeking an authentic look with 21st-century performance.

Flexible configurations

Available in fixed lights, top-hung, side-hung, or tilt-before-turn options for design flexibility.

Durable, low maintenance

High-quality aluminium construction resists warping, rust, and corrosion for decades of reliable performance.

Wide colour range

Choose from the full RAL colour palette, including dual-colour and textured finishes such as matt black, anthracite grey, or heritage bronze

Enhanced security

Tested to PAS 24 standards for ultimate peace of mind.

Key Features of Smart Alitherm Heritage Windows

Authentic steel-look design

Ultra-slim profiles, deep bottom rails, and optional horizontal bars recreate the character of original steel windows.

Thermally broken aluminium

The advanced polyamide thermal break ensures impressive energy efficiency with U-values as low as 1.5 W/m²K, helping to reduce heat loss and energy costs.

Heritage and modern compatibility

Ideal for listed buildings, conservation areas, and industrial-style new builds seeking an authentic look with 21st-century performance.

Flexible configurations

Available in fixed lights, top-hung, side-hung, or tilt-before-turn options for design flexibility.

Durable, low maintenance

High-quality aluminium construction resists warping, rust, and corrosion for decades of reliable performance.

Wide colour range

Choose from the full RAL colour palette, including dual-colour and textured finishes such as matt black, anthracite grey, or heritage bronze.

Enhanced security

Tested to PAS 24 standards for ultimate peace of mind.

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Frequently Asked Questions

What are Rehau Total 70 Window prices?

It is impossible to give a typical cost for Rehau Total 70 windows due to the difference in size, colour and installation type. We are happy to visit, measure and provide a free no obligation quotation.

Do Rehau Total 70 windows require any special maintenance?

Yes, Rehau Total 70 products range requires annual inspection and on average will need their first rub down and re-paint within 5 years of installation. This can vary greatly depending on location, weather conditions,etc.

If you love the appearance of timber windows but are put off by the costly and laborious maintenance then why not consider our Residence 9 maintenance free uPVC traditional appearance window system.

What guarantee do i get with Rehau Total 70 windows?

At 1st Glass Windows ltd we offer a 5 year insurance backed Guarantee covering labour and materials to our timber product range. This guarantee is subject to maintenance.

What areas do you install your Rehau Total 70 windows?

At 1st Glass Windows we pride ourselves on our Aftersales support and industry leading guarantee. With this in mind we serve our local community to ensure our Service Department can maintain our high standards. The areas we cover are mainly Surrey, Kent and Sussex and include Biggin Hill, Caterham, Coulsdon, Croydon, Forestdale, Godstone, Kenley, Lingfield, Oxted, Purley, Riddlesdown, Sanderstead, Selsdon, Tatsfield, Warlingham, Westerham, Whyteleafe.

Our Guarantee

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