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Select Page
  • Windows
    • Window types
      • Fixed light windows
      • Top guided windows
      • Side hung windows
      • Side guided windows
      • Fully reversible windows
      • Tilt and turn windows
      • Shaped windows
    • Quick links
      • Glazing
      • Colours
      • Our Contemporary style product range
      • Our Traditional style product range
      • Get a quote
  • Doors
    • Door types
      • Flush entrance doors
      • Glazed entrance doors
      • Patio doors
      • Tilt and turn doors
      • Casement doors
      • Sliding patio doors
    • Quick links
      • Read about security
      • View our case stories
      • Brochures
      • Get a quote
  • How to buy
  • Inspiration
  • Guidance
    • Design
      • Handles for windows and doors
      • Colours
      • Glazing options
      • Rationel AURA and AURAPLUS
      • Rationel FORMA and FORMAPLUS
      • Alu-clad windows
    • Benefits
      • Energy guidelines
      • Durability
      • Indoor climate tips
      • Sustainability
      • Secured by Design
      • Passive House
    • Need help
      • FAQ
      • Care and maintenance
      • User guide (PDF)
    • Video tutorials
      • Installation
      • Adjustment
    • Quick links
      • Brochures
      • Find a local distributor
  • For professionals
    • Find drawings
      • Section drawings
      • REVIT files
      • Installation details
    • Declarations
      • Declarations of performance
      • Conformity
      • Certifications
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      • Warranty
    • Video tutorials
      • How to install Rationel windows and doors
      • Adjustment of Rationel windows and doors
    • Resources and services
      • Approved installers
      • Download specifications
      • Order spare parts
    • Quick links
      • Become a distributor
      • Secured by Design
      • Passive House
      • Commercial project quotes
  • Get a quote
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Rationel windows and doors

We create bespoke windows and doors that transform homes and lives. With iconic Scandinavian design that’s driven by the detail, the result is something that truly stands out from the rest.

All of our products are designed for the future. Using sustainably-sourced timber and exceptional craftsmanship, they’re built to last for decades and to be enjoyed for generations. And with a commitment to high performance and thermal efficiency, they promise a cosy and optimal indoor climate every time.

Award winning quality 

We’re proud to share that Rationel has won the Build It Live 2024 Award for Best Casement Window! This award highlights the exceptional innovation, performance, and quality behind our products.

Explore the award-winning AURAPLUS range and see why it’s the window of choice for homes across the UK.

Explore Rationel AURAPLUS

Windows

Our high performance Scandinavian style windows aren’t simply an accessory – they’re designed to fuel your life. You might be seeking sanctuary from the hustle and bustle of the everyday, or looking to dream beyond your usual horizon.

Explore windows

Doors

Looking to buy some new external doors, but don’t know where to start? Don’t worry, you’ve come to the right place. Our team of experts will help you in the process – from styles to material, colours to finishes, we’ll guide you.

Explore doors

Designed just for you

We believe in quality, aesthetically beautiful windows and doors that are built to last for decades. We’re passionate about the power of daylight and its ability to bring warmth and wellbeing into a home, and to transform the life of the homeowner.

That’s why we’re committed to helping you on the journey to your dream space. As daylight specialists, we create bespoke windows and doors that amplify the modern, thoughtful, happy home – so you can live beautifully, inside and out.

Discover more about us

Contact us

Ready to get started, or need some advice from our experts?
We’re here for you – just get in touch.

Contact us

Windows and doors done the right way

Contact

  • Rationel Windows
  • The Forum, Ground Floor
  • Lancaster Way, Ermine Business Park
  • Huntingdon
  • PE29 6XU
  • United Kingdom
  • Email: rationel@dovista.com
  • Tel: +44 1480 759 511

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@2021 - Rationel is a trademark of DOVISTA UK Ltd., Registration No. 2332292 | All rights reserved

NOTE!

If you purchased your windows and doors through a distributor, please report any issues directly back to the distributor as they will need to make the claim to Rationel. Your distributor will ensure you are updated during the process of the claim.

If you are unsure of who your distributor is or moved into a property with Rationel windows and doors already installed, please continue to submit the claim yourself.