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Windmill Windows are proud to be registered installers for both ORIGIN and SMARTS Bi-folding doors supplying Oxford, Thame, Bicester and surrounding villages. With both types of doors and furniture ranges showcased in our Oakley showroom, you as a customer are welcome to come and see the quality in person and discuss any of your needs.

If you want to make a statement in your property Bi-Fold doors can provide the answer. With their 90% clear opening capability, they will open up rooms to light and space enabling you to bring the outside in or make a standard floor plan become open plan with the ease of one slide, creating a functional open space for living, working and entertaining.

Both systems come with a high quality polyester powder coated finish and high performance polyamide thermal breaks as standard. With a full array of furniture, glazing and threshold options, there will be a combination there to suit what you are looking for.


SMARTS offer three designs : The Standard, The Slim Line and The Concealed Hinge to suit whatever look you are trying to achieve.

With over 35 years experience, SMARTS have stood the test of time and continue to provide a high end yet affordable door system with clean and pleasing aesthetics.

By offering three types of doors, there really isn’t a door that doesn’t suit someone.


ORIGIN bifolds are based out of their main offices and manufacturing plant nearby in High Wycombe meaning that the close proximity to Windmill Windows allows for a very close working relationship.

Having placed themselves in the market to deliver a very high specification door along with super fast turnarounds, ORIGIN bifold doors have quickly become one of the UK’s market leaders.

  • Bi-Fold Doors Oxford
    Bi-Fold Doors Oxford
    Bi-Fold with Blinds in Bicester
    Hardwood Bi-Fold Doors Cottage
    Bi-Fold – Ickford Bi-Fold – Summertown Bi-Fold Blinds – Bicester Lacuna Bi-Fold Cottage

  • Bi-Fold Door Lever Handle
    Bi-Fold Door Hinge Pendulum Handle
    Bi-Fold Lever Handle D Handle Hinge Pendulum Handle

  • Standard Range

    Gloss White Bi-Fold Doors Matt Anthracite grey Bi-Fold Doors Matt Black Bi-Fold Doors Matt Brown Bi-Fold Doors
    Gloss White Matt Anthracite Grey Matt Black Matt Brown


    Full RAL Range

    Ral Chart

  • Bi-Fold Door Styles