Minimalist and heritage designs

Rationel Auraplus, Aura & Rational Forma timber windows

We supply and install two stunning timber window ranges from Rationel – the Rationel Aura/Auraplus, a contemporary minimalist timber window; and the Rationel Forma/Formaplus, a heritage timber window specifically developed for period installations.     

Rational Forma & Rationel Aura

With its focus on sustainability, Rationel Windows combines sustainably sourced timber and outstanding craftsmanship in a choice of traditional and contemporary timber windows.

Internorm aluminium-clad timber-aluminium composite windows

The Rationel Aura Timber Window

Aura is a high-performance minimalist timber window. Drawing on iconic Scandinavian design its defined by simple clean lines in a highly engineered and thermally efficient timber window.

Available in a wide range of high performance finishes, this highly durable window is designed to stand up to all weathers, keeping your home warm and secure, while a beautiful natural woodgrain finish, brings a sense of perfect tranquillity to your home.

The Rationel Forma Timber Window

Beautifully styled, the Rationel Forma combines classical period designs and next-generation security, thermal efficiency, and weather sealing in a high-performance timber window, designed to be perfect for traditional and period installations.

This includes a classic angled glazing bead externally and detailed classically sculptured internal finish, making the Rationel Forma Timber Window the ideal heritage replacement window.

Extensive colour choice

Make a statement or play it cool with Rationel’s extensive choice of more than 200 colour options from classic whites, subtle greys and greens to bold and contemporary options.

Planning your next home improvement or self-build project?

Get in touch with the team today on 01295 270938

Get up close and personal (with our products!)

Visit our window and door design centre

Windows and doors are a big purchase, so making time to get it right is important. We think there’s no replacement for seeing windows and doors ‘in the flesh’, opening and closing them and picking out the fine detailing that brings the all-important finishing touches to your project.  

With showrooms in Banbury and Beaconsfield, we bring our product ranges closer to you.   

Our Window and Door Design Centre, is located 15 miles north of Oxford in Banbury and carries our complete product range.