It’s a familiar feeling for any fitter or tradesperson. A client has seen something online or on a house in the next street, and wants to know if you can do it.
Maybe it’s a slim-profile window, a custom-shaped frame, or just something a bit different – each year brings something new.
Here are some of the top aluminium window and door trends for 2026 that we’ve seen everywhere recently.
1. Sustainable, Eco-Friendly Materials
More and more homeowners are looking for sustainable and eco-friendly materials.
As mentioned by the UK Green Building Council, aluminium is 100% recyclable, making it a stand-out choice for windows and doors.
But not all aluminium is sourced equally, which is why it’s important to work with a responsible supplier. We focus on limiting waste and recycling where possible when manufacturing our products, because we know sustainability is important to you too.
2. Non-Standard Aluminium Window & Door Colours
Gone are the days of being limited to just standard black, white or grey aluminium window and door frames.
Throughout 2026, we’ve seen many of our customers favouring very specific RAL colours, like Agate Grey (RAL 7038), Pebble Grey (RAL 7032) and even bolder choices like Traffic Blue (RAL 5017) – pictured below.
We’re also seeing dual colours being preferred, which work well with both the interior colour palette and external seasonal changes.
To meet the varied needs of your clients, we can provide frames in a full range of standard, custom and dual RAL colours. Please contact us with specific requirements.
3. Slim Sightlines with Stronger Thermal Efficiency
Making the most of natural light and ‘bringing the outside in’ is still desirable for many customers. That’s why larger glazing remains as popular as ever.
But in 2026, as energy costs continue to rise and sustainability stays firmly at the top of the construction industry’s list of priorities, thermal efficiency is just as important.
Aluminium doors and windows designed with advanced thermal break technology improve insulation and reduce heat loss. And according to the Energy Saving Trust, these types of products can also reduce CO2 emissions and save your clients money on their energy bills.
U-Values & Glazing Options at FrameX:
| Product | U-Values | Glazing Options |
| Aluna+ Windows | 0.9 W/m²k (triple-glazed) | 28-40mm |
| Aluna Sliding Doors | 1.4 W/m²k | Up to 32mm |
| Aluna Bi-Fold Doors | 1.1 W/m²k | Up to 44mm |
| Ali VU Doors | 1.0 W/m²k | 24-44mm |
4. Heritage Details, Modern Performance
As always with trends, what goes around comes around. Inspired by 19th-century industrial architecture and 1920s art deco steel framing, today’s heritage-style aluminium windows and doors feature slim, clean lines and large glass panes.
But while a heritage look is popular, the specifications need to be up to scratch to have an impact in this modern market. Our Internal Telescopic Sliding Doors are the perfect example.
Our skilled team can manufacture the Georgian bars that give the classic heritage look in custom arrangements, as well as a wide choice of configurations. This includes 2-5 panels sliding in one direction, or up to 8 panels in a bi-parting structure. Providing an ideal, modern space-saving solution, these panels slide and stack neatly behind each other when opened and closed, offering wider openings without the bulky frames.
5. Larger, More Intentional Glazing
According to current UK Google Trends data, search interest for the term ‘open plan’ has increased by 80% compared to 2025. This has played a part in driving demand for larger, more intentional glazing.
One example is our floating corner sliding and bi-fold doors. Leaving a completely post-free place when open, this configuration truly brings the outside in by cleverly merging gardens and patios with indoor open-plan living spaces.
Not only do these products add aesthetic appeal, but they also improve the building’s insulation with low, thermally-efficient U-values.
Meet Client Requests with Ease
We keep an eye on aluminium window & door trends so you don’t have to. If your clients are searching for it, make sure you can deliver!
Whichever product, configuration or U-values you have in mind, you can build your products the way you need them online and see an instant price on-screen, or contact us to get a free trade quote today.
