MAXi4 - Heritage Aluminium Windows






Alimax Heritage windows and doors feature slim profiles and sight lines that echo the style of traditional steel windows. This timeless design beautifully enhances period properties. However, these windows aren’t just for looks. They blend classic steel design with the excellent thermal performance of modern aluminium to achieve a B Energy Rating. This unique mix ensures superior energy efficiency, security, and style.
Alimax’s range of windows and balcony doors is perfect for Victorian, Art Deco, and heritage projects. Our products have been used successfully in many renovation and refurbishment projects across the UK. Whether you’re working on a listed building, a new build, or a renovation, MAXi4 Heritage windows look great and function well.



Benefits of MAXi4 Heritage Aluminium Windows
Exceptional Security
Our MAXi4 heritage windows are PAS 24:2016 certified, giving you peace of mind with top-tier security features. These windows feature tough locking systems and a durable frame. They safeguard your home from break-ins while ensuring you don’t sacrifice style.
Outstanding Energy Efficiency
Our windows feature a B Energy Rating. They combine energy-efficient technology with the classic look of heritage windows. This means better thermal performance, lower heating costs, and more comfort throughout the year. All while keeping the traditional style.
Weather Resistance
Our windows are built for harsh conditions. They offer wind resistance of 2000Pa and water resistance of 1050Pa. This provides lasting strength and weather resistance, so your building is safe and secure in any season.
Sustainable & Long-Lasting
Crafted from high-quality aluminium, our MAXi4 windows are both resilient and environmentally friendly. With low maintenance and a long lifespan, they are an ideal, sustainable choice for any project. Plus, they reduce upkeep costs and environmental impact.
Compliance with Building Regulations
Our MAXi4 windows are fully compliant with Document L and UK building regulations. They meet top standards for energy efficiency, building codes, and structural integrity. This makes them perfect for both heritage and new build projects, ensuring full regulatory compliance.







Why Alimax is the Trusted Choice
With over 30 years of experience, we specialise in bespoke heritage aluminium windows. Our units blend traditional design with modern performance. Whether you’re restoring a listed building or enhancing a new project, our windows are custom-crafted to match your vision. We collaborate with architects, contractors, and developers to make sure each solution meets your needs.
Alimax serves the whole UK, providing trustworthy and efficient solutions for projects nationwide. From the initial consultation to installation and aftercare, our customer-focused team is here to guide you every step of the way. You can count on us to meet your building needs with custom solutions that look great and work well.
Call 01425 205465, arrange a consultation or come and visit our showroom and discover how we can enhance your property’s style and energy efficiency.
Heritage Window FAQs
Heritage aluminium windows are designed to replicate the classic steel window look, making them perfect for period properties, listed buildings, or projects requiring a traditional aesthetic with modern performance. Alimax’s heritage range combines slim sightlines with energy efficiency and durability.
Yes – while we primarily work with trade customers across Dorset and Hampshire, we also supply heritage aluminium windows for residential projects, either directly or via trusted installation partners.
We specialise in manufacturing and supplying aluminium heritage windows. Installation is typically carried out by your chosen contractor, but we can recommend experienced installers in your area if required.
In many cases, yes. Their slim frames and authentic style make them a popular choice for heritage and conservation projects. However, listed building consent may be required, so we recommend checking with your local authority before ordering.
We offer a wide range of colours and specialist finishes, including dual-colour options. This means you can match the interior and exterior to suit your design requirements while maintaining the heritage style.
Thanks to modern thermal break technology and high-performance glazing, our heritage aluminium windows achieve excellent energy efficiency without compromising their traditional appearance.
Yes. We can manufacture heritage frames to accommodate double or triple glazing, depending on your project’s thermal and acoustic requirements.
Lead times depend on your order size, specification, and finish requirements, but our advanced Hampshire facility allows us to offer competitive turnaround times for trade orders.
Simply contact our friendly team on 01425 205465 or via our online enquiry form with your measurements and specifications, and we’ll provide a tailored quotation.