Aluclad Windows
Four ranges of premium aluminium-clad timber windows, combining natural character with low-maintenance aluminium cladding and exceptional thermal performance.
A Complete Range of Bespoke Glazing Systems
From triple-glazed Aluclad windows for Passive House projects to traditional timber sash windows for heritage settings, our product range is designed to offer the right solution for every build. Custom in every detail, and specified to perform.
- Windows
- Doors
- Curtain Walling
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Precision Craftsmanship Across Every Product
Every product in the Zyle Fenster range is manufactured to exacting standards, combining carefully selected durable materials with over 25 years of technical knowledge. The result is glazing that performs as well as it looks – for the lifetime of the building.
Our product range spans modern Aluclad windows and doors, traditional timber sash windows, large-format sliding doors, and curtain walling systems. Whether for a new custom build or a sympathetic renovation, each solution is tailored to the project’s specific performance and design requirements.
Energy Efficiency and Sustainability by Design
Reducing heat transfer and improving thermal performance are central to how we design and specify every product. Our triple-glazed systems are built to meet Passivhaus thresholds, helping homeowners achieve a more comfortable living environment while significantly reducing energy consumption year-round.
Environmental responsibility is not an afterthought. We use FSC-certified timber, carry Blue Sky Certification, and continuously refine our product range to meet and exceed modern sustainability standards – giving clients, architects, and specifiers genuine peace of mind.
Frequently Asked Questions
Find answers to some of the questions we hear most often from architects, specifiers, and self-build clients. For anything not covered here, our technical team is happy to help.
Contact UsOur triple-glazed Aluclad windows typically achieve whole-window U-values from 0.8 W/m²K, with Passivhaus-certified options available depending on the system and specification.
For most new builds and low-energy projects, yes. Triple glazing significantly reduces heat transfer, improves acoustic performance, and can make a meaningful difference to energy bills and comfort.
Yes. Select systems within our Aluclad range meet Passivhaus certification requirements. We work with Passive House consultants to ensure products are correctly specified for each project.
We manufacture bespoke windows and doors to suit project-specific requirements. Our team can advise on minimum and maximum dimensions during the specification process.
High-performance triple-glazed windows reduce heat loss considerably, contributing to improved BER and EPC ratings and helping homeowners achieve a more comfortable, energy-efficient living environment.
Our Projects
Stirling, Scotland
Find out more about Stirling, ScotlandHamill House, Scotland
Find out more about Hamill House, ScotlandEdinburgh, Scotland
Find out more about Edinburgh, ScotlandDollar, Scotland
Whether incorporated into a modern contemporary new build or unlocking a period property, our curtain wall can reinvigorate a property by letting the natural daylight come flooding in.
Find out more about Dollar, ScotlandWhat our customers say
Zyle supplied Passive House windows for our new build, and the system met all project expectations. Airtightness and overall performance were delivered as specified, and their technical coordination on site was reliable and detail focused.
Private Owner
Mark Reynolds, Bristol
Our vacuum glazed sash windows provide an excellent balance between heritage sensitivity and modern performance. The slim glazing preserves the character of the property while significantly improving overall comfort. Installation was precise and professionally managed.
Private owner
Laura Mitchell, Southampton
The Passive House windows performed exactly as required within our project specification. Installation detailing, sealing, and overall execution were handled correctly, ensuring a high standard of delivery. A technically competent and reliable supplier.
Private Owner
Andrew Collins, Cambridge
We selected aluminum windows for their contemporary aesthetic and low maintenance. The proportions are well considered, and the finish quality is consistent throughout. Installation was efficient and carried out with strong attention to detail.
Private Owner
Rachel Adams, Reading
The triple glazed sash windows integrate seamlessly into the existing façade while offering a clear upgrade in comfort. Craftsmanship is evident in both joinery and installation, and the improvement in acoustic insulation is immediately noticeable.
Private Owner
Thomas Green, Nottingham
The Alu-Clad windows and doors introduced a strong architectural presence while maintaining a refined internal finish. Detailing, material quality, and consistency across the project are of a high standard. The process was structured and dependable from start to finish.
Private Owner
Olivia Bennett, Oxford
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Talk to Our Team
Whether you are an architect specifying for a new project, a self-builder planning your custom home, or a developer working to a programme, our team is here to help. Get in touch for technical advice, product information, or to request a quote.
- 124 City Road
- London
- United Kingdom
- EC1V 2NX
