Stellar Aluminium Systems

Discover an award-winning aluminium window and door system engineered to deliver the slimmest sightlines and outstanding performance.

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10 year guarantee

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Trusted Installer

Over 30 years of combined experience

About Stellar Aluminium

For homeowners seeking the very best in modern aluminium windows and doors, Stellar is an innovative, multi-award-winning system that sets new standards in design, performance, and quality. Produced by Epwin Window Systems, the UK’s largest systems house, Stellar benefits from over 40 years of manufacturing expertise and a long-term commitment to British production.

What sets Stellar apart is its unique reverse butt joint technology, delivering some of the slimmest sightlines on the market and a beautifully flush appearance that maximises glazing and natural light. Available across a comprehensive range including casement, flush casement, heritage, tilt and turn, bay, and inline sliding options, every Stellar product is bespoke, tailored to your precise requirements, and built to the highest standards of quality and energy efficiency. Products are Secured by Design accredited, low-maintenance, durable, and energy efficient.

JMF Windows & Doors Oxford

5.0

Based on 116 reviews

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Luchian Alina

3 months ago

Brilliant work, mindful of the property and cleaned everything after them. I can't recommend them enough!

Caz

4 months ago

Once again a fantastic job well done. I can’t fault this company and the work completed. I’m looking forward to getting more windows altered/improved.
Thank you

Adam

4 months ago

JMF have done a super job of replacing our old conservatory with a brand new 'warm roof' version. Easy to talk with and delievered exactly what was promised. I have used JMF twice now and would recommend to anyone needing this kind of work done!

Kevin Dighton

4 months ago

Would highly recommend JMF Windows. We used them on one of our projects and received excellent service from start to finish. The windows and doors looked brilliant, and they managed to keep to the agreed timescales, helping to move the project along smoothly.

Gary Bennell

4 months ago

We recently had some of our very old windows replaced by JMF Windows & Doors and are extremely pleased with the work completed.

From the outset, the service was excellent. Paul visited to prepare a quote, which we received the same day. After accepting, Jake carried out a detailed measure and clearly explained the process, lead times, and logistics, which was very helpful.

The fitting team were friendly, professional, and respectful of our home - taking care to protect carpets and work areas while keeping everything clean and tidy throughout.

The finished result is excellent. The new windows look fantastic and have already made a noticeable difference to our home.

We would highly recommend them.

Claire

5 months ago

Our experience of JMF windows has been excellent from start to finish. We are extremely happy with the quality of our new doors and windows. Jake was very helpful in suggesting which options were best for our house. Fitting was completed efficiently by Dan and Mark to a very high standard. A big thank you to all the JMF team a fantastic job we highly recommend you

Alistair Tilney

5 months ago

We’ve had such a great experience with JMF Windows. The whole team at JMF are all so friendly, professional and genuinely helpful. They gave us great advice from the start and made the whole process really straightforward.

We’re so happy with our new windows and the quality of the work is excellent. We’re already looking at getting our front door done with them as we honestly wouldn’t go anywhere else. Completely trustworthy and a pleasure to deal with from start to finish.

Thanks guys

Guillaume Berdeaux

6 months ago

Absolute exceptional service from start to finish!
We had our dream door for our house installed by JMF. Jake came round to see us and was wonderful to work with. He knew exactly what we were looking for and made the process seamless. The installation team also were absolutely brilliant and highly professional from start to finish. Great communication and time efficient.
We couldn’t highly recommend this company more and I’m glad we found them! Rabia & Guillaume

charlotte Trinder-jones

8 months ago

Absolutely over the moon with our new front door! ✨

From the very start of designing to the final fitting, Jake and his lovely team have been nothing but professional, helpful, and genuinely amazing. The whole process was so smooth, and the end result is perfect.

I would 100% recommend them to anyone looking to upgrade their home! 🏡💫

Paul Howarth

11 months ago

Fantastic job! I had a door installed in place of a window. Communication was excellent throughout the job with Jake and Paul both visiting for measurements and to check things over before Dan and Bash did the installation. They were efficient, neat, clean and tidy which is a huge bonus in my opinion and took all the rubbish away. The job took a day and the end result was excellent. I would highly recommend JMF and will definitely use them again.

Why Choose Stellar?

Choosing Stellar means choosing an aluminium system that truly raises the bar. Here’s why homeowners choose Stellar:

Industry-leading slimline sightlines for maximum glazing and light
Unique flush effect for a clean, contemporary appearance
Bespoke products tailored to your exact specification
Secured by Design accredited for enhanced security
Produced by Epwin Window Systems, the UK’s largest systems house
Low-maintenance, durable, and energy-efficient construction
Proudly designed and manufactured in Britain