Window and Door Systems | Aluminium by the Fenestration NetworK
Explore aluminium systems from Fenestration Network — trusted brands, expert installation, and a seamless White Glove Service nationwide.
OUR WINDOW AND DOOR SYSTEMS | THE FENESTRATION NETWORK
Aston Architectural Aluminium – Value -Engineered Windows and Doors
Alumil Doors and Windows – Precision-Engineered Aluminium for Exceptional Homes
Aston Architectural Aluminium – Value -Engineered Windows and Doors
Aston Architectural Aluminium isn’t just another aluminium manufacturer. They take some of the UK and Europe’s most respected aluminium systems, including Schüco, Smart Systems, Jack Aluminium, and Alumil and and value-engineer them into something even better.
Smart Systems – Trusted Aluminium Windows and Doors for Every Home
Alumil Doors and Windows – Precision-Engineered Aluminium for Exceptional Homes
Aston Architectural Aluminium – Value -Engineered Windows and Doors
Smart Systems is the UK’s largest aluminium systems company and one of the longest established. With a comprehensive collection of expertly designed residential and commercial products, Smart Systems is unquestionably the most widely used and trusted aluminium brand in Britain.
Cortizo Windows and Doors – Contemporary, Ultra-Slim Aluminium Glazing
Alumil Doors and Windows – Precision-Engineered Aluminium for Exceptional Homes
Alumil Doors and Windows – Precision-Engineered Aluminium for Exceptional Homes
There is no question that Cortizo is now one of the most recognised names in the UK for slimline aluminium sliding doors and modern glazing solutions.
With a long-established international reputation across Europe and globally, Cortizo products combine advanced design with engineering excellence.
Alumil Doors and Windows – Precision-Engineered Aluminium for Exceptional Homes
Alumil Doors and Windows – Precision-Engineered Aluminium for Exceptional Homes
Alumil Doors and Windows – Precision-Engineered Aluminium for Exceptional Homes
While Alumil Systems is a relatively new name in the UK, it comes with a long international pedigree. Alumil doors and windows are specified by leading architects around the world and have been used in some of the most recognisable buildings and homes.
Alunet Systems – Stylish Aluminium Windows and Doors for Every Home
Alunet Systems – Stylish Aluminium Windows and Doors for Every Home
Alunet Systems – Stylish Aluminium Windows and Doors for Every Home
Alunet Systems provides a complete collection of traditional and contemporary aluminium windows and doors — delivering the look, feel, and quality of many premium brands but at a far more accessible price point.
Schüco Windows and Doors – The World’s Finest
Alunet Systems – Stylish Aluminium Windows and Doors for Every Home
Alunet Systems – Stylish Aluminium Windows and Doors for Every Home
The Schüco name is internationally recognised as the benchmark for aluminium windows and doors. Few brands can match its engineering precision, design ingenuity, and long-term performance.
The Best Aluminium Windows and Doors, Professionally Installed
At Fenestration Network, we work with the UK’s leading system companies and manufacturers to provide homeowners with the very best in aluminium windows and doors.
Our expertise spans decades in the glazing industry, giving us a complete understanding of how each system performs, what makes it unique, and where it fits best.
Whether you’re looking for architectural aluminium sliding doors, precision-engineered bifolds or beautifully crafted front doors, we can help take the headache away.
Our Expertise: Aluminium First, Always Balanced
We specialise in aluminium because it remains the benchmark for strength, style, and long-term reliability. Slim sightlines, greater colour choice, and structural capability make aluminium the clear leader for modern bifolding doors, sliding doors, and large-format glazing.
However, we also understand that some properties — particularly heritage homes, timber-look designs, and rental developments — are better served by today’s latest uPVC systems.
Our role is to guide you to the best option for your project, balancing aesthetics, budget, and performance with honest, informed advice.
The Systems We Offer
We only work with systems and manufacturers that meet our own standards for quality, precision, and reliability. Every system we recommend has been chosen for its proven performance and suitability to the UK homeowner.
Cortizo – European Engineering for Modern Homes
Renowned for ultra-slim sliding doors and advanced aluminium glazing systems. Exceptional for contemporary design and maximum light.
Smart Systems – Trusted British Design and Performance
The UK's most establish Aluminium system, offering everything from sliding doors and bifolds to heritage and internal glazing.
Alumil Systems – Precision-Engineered Aluminium Innovation
Globally recognised for structural excellence and slim-profile bifolds, Alumil delivers exceptional strength and refined aesthetics.
Alunet Systems – Style, Quality, and Value
Combining premium looks with affordability, Alunet provides contemporary aluminium windows and doors suited to any home.
Schüco – The Global Leader in Aluminium Glazing
The ultimate in engineering, performance, and longevity. Chosen by architects worldwide and available through Fenestration Network partners.
Aston Architectural Systems – Re-Engineered for Perfection
Aston takes leading systems like Schüco, Smart, and Alumil and enhances them. Re-engineered aluminium glazing built to outperform.
Smart Systems Front Doors – Signature and Designer Collections
High-quality aluminium front doors combining security, insulation, and striking design. Perfect entrances for modern or traditional homes.
Luxury uPVC Windows and Doors – Modern, Efficient, Reliable
Today’s uPVC systems offer outstanding insulation, slimmer frames, and period styling for all types of properties.
Why Homeowners Nationwide Trust and Choose Fenestration Network
- Whole-of-market access – aluminium from the best UK and European system companies.
- Independent expertise – impartial, honest advice built on decades of industry experience.
- Trusted manufacturers – every partner is carefully vetted for quality and consistency.
- Professional installation – carried out by approved installers with proven product knowledge.
- Nationwide coverage, local service – wherever you live, we’ll connect you with trusted professionals in your area.
Our White Glove Service Promise
Every project through Fenestration Network is supported by our White Glove Service — a personal, fully managed approach that ensures excellence from enquiry to completion.
We’re a small, independently run business with national reach, giving homeowners the reassurance of transparency, communication, and care at every stage.
From initial consultation and system selection to manufacturing, installation, and aftercare, everything is coordinated by experts who know windows and doors inside out.
When you choose Fenestration Network, you get more than just products — you get the confidence of working with industry professionals dedicated to quality, detail, and your complete satisfaction.
10% off all orders placed before 30th November 2025
Applicable only to orders resulting from new quotes produced from 15th October to 30th November, must include full supply, survey and installation and must include any combination of the below:
Windows/ Bi Folding Doors/ Sliding Doors/ French Doors/ Entrance Doors/ Windows/ Garden Studios, Glass Balustrades, Orangeries.