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About
Heathrow Windows
Heathrow Windows Ltd has more than 20 years of experience in the double glazing industry. We specialise in providing and installing a diverse range of high-quality window and door solutions. Contact us today for a free, no-obligation quote.
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Your Aluna Experts
Transform your home with Aluna’s slimline aluminium windows engineered for strength, clarity, and efficiency. These systems deliver stronger performance, slimmer sightlines, and better energy control—while flooding your space with natural light. Designed for long-term durability and security, they upgrade any room or full renovation without adding bulk.
The Brilliance of Aluna
Whole House Solution – The Aluna collection embodies our philosophy of delivering fully integrated, innovative solutions for the contemporary home. From slimline aluminium windows to bifold doors and entrance systems, Aluna products create seamless design harmony, advanced functionality, and the refined feel of luxurious aluminium.
Marine Grade Protection – Constructed with premium materials, Aluna systems offer marine-grade finishes that deliver exceptional strength and longevity. This ensures your slimline aluminium windows maintain their quality and visual appeal even in demanding environments.
Security & Speed – Aluna products are PAS24 certified, offering proven safety and performance. The Clip and Forget mechanism also streamlines installation, reducing time without compromising on the reliability of your slimline aluminium windows.
Lighting The Revolution – Aluna’s slimline aluminium windows invite generous natural light while creating a clean, minimalist look. Their slim frames redefine interiors by maximising visibility and offering a sophisticated design edge.
Effortless Excellence
At Heathrow Windows, we make complex processes simple and efficient. Our partnership with Aluna allows us to deliver innovative solutions that enhance fabrication and installation. With real-time technical support, premium materials, and rapid UK-wide delivery, your slimline aluminium windows are completed with precision and speed.
- Extensive UK stock
- Standard delivery within 5–7 days
- Colour-matched profiles and accessories
- Project estimation and full training provided
From Concept to Completion
Aluna represents the pinnacle of luxurious aluminium designed to perform, crafted to impress, and engineered for structural and visual balance. From roof lanterns to folding systems, every detail is refined and purposeful. Whether working with architects, builders, or fabricators, we ensure your slimline aluminium windows integrate perfectly into your project vision.
Our team provides ongoing consultation, technical guidance, and tight quality control to deliver smooth, successful results every time. With slimline aluminium windows, you achieve modern beauty, durability, and efficiency from concept to completion.
I couldn’t be happier with the service I received from Heathrow Windows. From the initial consultation to the final installation of my aluminium sliding doors and aluminium roof lantern, their team was nothing short of exceptional. They are true professionals precise in their workmanship, incredibly tidy throughout the process, and clearly take great pride in what they do.
The quality of the products is outstanding, and the installation was carried out with meticulous attention to detail. They respected my home, left no mess behind, and completed the job efficiently and on schedule. It’s rare to find a company that delivers both top-tier products and flawless service.
I highly recommend Heathrow Windows to anyone looking for reliable, high-quality aluminium doors and roof lantern installations. A brilliant experience from a team that truly sets the standard!
- Oliver Green
I couldn’t be happier with the work @Sukhwinder Singh did on my windows! From start to finish, the experience was smooth, professional, and hassle-free. Sukhwinder was prompt, friendly, and clearly knows their craft—every window was top quality and sorted with impressive attention to detail. Not only do they now look spotless, but the whole place feels brighter and fresher. Sukhwinder went above and beyond to make sure everything was perfect. Highly recommended for anyone looking for top-quality service. Thank you, Sukhwinder 👍"
- Amir Shakoor
From the very first visit, Harmeet and Pav were a pleasure to deal with. They came to diagnose the problem with our sticking bi-fold doors and immediately stood out with their professionalism, knowledge, and friendly approach. It was clear they genuinely cared about providing the best solution rather than just another job.
The entire process was seamless—zero fuss, no unnecessary delays, and no upselling. The team arrived promptly, worked efficiently, and exceeded expectations. The doors now glide like new, and the service was far more cost-effective than other quotes we received.
It’s rare to find a company that delivers this level of quality, reliability, and value. We couldn’t be happier and would recommend them without hesitation. An outstanding experience!"
- Sandip S