What does it actually mean to clients?

The scheme is designed to distinguish between the elite [1st] Window Partner and other very much smaller regional Internorm “Distributors” who by definition do not meet these strict criteria. By engaging with AT-Eco Windows you are working with one the largest and most successful UK Internorm providers.

〉 Your [1st] Window Partner

Kent Showroom

Tel.: 01732 867043
Hours: Mon - Fri 9:00AM - 5:00PM
Sat - Sun by Appointment only!
  • Create your energy-efficient dream home with
    for the price of double*


    *T&Cs apply. Offer ends 24th June 2022.
    Internorm’s composite window systems are best suited for highest demands like passive and low energy houses.
    Internorm’s UPVC windows offer outstanding quality, excellent thermal performance and sound insulation.
    UPVC/Aluminium composite windows offer triple glazing and passive house with various design possibilities.
    Internorm’s doors offer unique design and exceptional comfort, combined with high-quality technology.
  • YOUR [1st]
    Internorm Platinum Level
    Window Partner
  • AT-ECO are very proud to have been chosen by
    Charlie Luxton for his own home build.
    Amazing Internorm Windows and Doors complimented by
    first class products and our teams outstanding installation.


If you would like to find out more about how we could transform your home, why not download a copy of our latest brochure?



Should you choose us for your next project?

Our in-house teams of designers, product specialists and project managers, located at each of our showrooms, will consult, advise and manage your expectations throughout the process and as an Internorm (1st) Window Platinum Partner, you can trust us to adhere to the 10 Internorm Customer Care Standards:

  • We will ensure that you can reach us conveniently and that we can arrange a suitable appointment.
  • You will receive a good overview of our products in our showroom in a pleasant atmosphere.
  • We will take you seriously as a customer, will always be polite and considerate and will attend to your individual needs.
  • Competent advice on all products and services makes the decision easier for you. Additionally, we can offer you useful accessories.
  • The quote will be submitted on time and will correspond exactly to all agreements made during the advisory talk.
  • The quote will be clearly presented and we will work through it together with you and answer any possible questions.
  • The ordered products will be delivered and expertly installed on time and complete and in an immaculate condition.
  • All work will be done in a careful manner, clean and properly and will be carried out by a reliable and competent installation team.
  • We will contact you within due course after installation to ensure that you are happy with the products and service.
  • We will react straight away and in a helpful manner to your questions and concerns.


internorm window partner silver

Your [1st] Window Partner Silver Level

internorm window partner Gold

Your [1st] Window Partner Gold Level

internorm window partner Platinum

Your [1st] Window Partner Platinum Level

Europe’s no.1 brand leader in manufacturing.

Internorm have manufactured over 23 million window and door units, all 100% made in Austria. Internorm specialists thrive on attention to detail and act with passion and integrity.

Our working process


Our team will make sure that all enquires will be dealt with in the shortest time possible.

Free survey and quote

We offer free no obligation professional survey and quotation.

Agreement and installation

After accurate survey we confirm the designs and options you’ve ordered. We will contact you to arrange dates for your installation to be carried out.


To help you find the window and door solutions which satisfy exactly your requirements for architecture, design and comfort among the multitude of possibilities in shape, colour and material, you can choose from the different Internorm design styles:



Charlie Luxton Reveal His Finished Self Build Home

Charlie Luxton Reveal His Finished Self Build Home with amazing Internorm windows and doors supplied by AT-ECO.


After another very successful year of working with Internorm, AT Eco are extremely proud to have been awarded the Platinum Level distribution status. We look forward to another year of progress and success !!!


Charlie and his family are now living in their self build!

During the UK summer heatwave the house has been performing well, not least because of the Internorm external louvres, which Charlie explains here. Internorm RAFF-S blinds for Charlies project supplied and installed by AT-Eco Windows and Doors.

Homebuilding and Renovating show logo

Homebuilding & Renovating Show

AT-Eco is exhibiting at the Homebuilding & Renovating Show in ExCeL London on 21-23 September 2018. Click here to book your tickets.


It was great to work together on show

Great thank you to Charlie Luxton for joining us on grand designs live! It was great to work together on show. AT-Eco.


Congratulations to CharlieLuxton

Congratulations to @CharlieLuxton for achieving 0.6 H-1@ 50 Pa on your home project! AT Eco are very proud to be a part of @CharlieLuxton new build project.


Charlie Luxton has had Internorm windows

Charlie Luxton has had Internorm windows supplied and installed by AT-Eco, and there's more to it than simply dropping the frames into place. Here Charlie discusses the high quality way the windows have been installed, and the products & techniques involved. Charlie, is an architectural designer and TV presenter on 〉Channel4.


Annual Internorm UK Partner Meeting

Annual Internorm UK Partner Meeting and 10 Year Anniversary at Hedsor House. 〉Watch the video.


Look at our windows from all sides, discover interesting details and find out more about the high-quality technology. All you need is an Internorm Window Book and the Internorm AR app (available for free in the Apple or Google Play Store).

Available on


Internorm window HF 410 unites technology & sentiment and stands out through innovative technology, highest stability and more colour choice and attention to detail. We will show you a video of the historical development of the Internorm timber-aluminium window; starting with the product idea to the sales in the showroom. The different costumes of the dancers symbolise the materials timber, glass and aluminium.

〉 Click to watch the video