0203 835 2007


Trade Supply UPVC flush casement windows provided by 6-Day Doors offer the neat and consistent styling of a flush look outside with pleasing aesthetics inside. Designed as contemporary or timber-look windows with style and elegance, UPVC flush casement windows come as standard with high security, excellent Window Energy Ratings and Low U-Values, and the sleek and pleasing styling you need for any property renovation or building project. All our UPVC flush casement windows are available with a variety of frame, vent, and transom options, allowing for extensive customisation to meet any design requirement.

We also offer a range of Rehau UPVC flush casement windows. Rehau flush casement windows combine the traditional aesthetics of timber-look windows with the modern benefits of UPVC. The unique compound used in Rehau products guarantees a smooth, high gloss finish, ensuring that your new windows retain their pristine appearance for years to come. These windows will never warp or rot and, of course, will never need painting. Rehau UPVC flush casement windows meet the highest energy-saving standards and comply with BS7412 requirements for the standard of a manufactured window.

A leading UPVC manufacturer and trade supplier, 6-Day Doors provides expertly-crafted flush casement windows on a fast and reliable trade supply only basis. You can also take advantage of our full survey, supply and installation service. Our complete collection of flush casement windows is available to view in our Romford, Brentwood, Loughton and Epsom showrooms.

Each window order comes complete with detailed fitting instructions, is securely packaged for delivery, along with competitive pricing and expert support. This has established us as the preferred supplier for many in the trade. For information on lead times and pricing for your projects, please get in touch with us.


6-Day Doors is dedicated to providing installers, construction, and property professionals with top-quality uPVC flush casement windows, built to the highest specifications to help you complete your projects with fully compliant and superior windows.

Our flush casement windows are rigorously tested against the latest security, insulation, and weather performance standards. They feature high-quality friction stays with options for fire escape, egress, or easy-clean functionality. We also offer window restrictors and a selection of locking and non-locking handles in various styles and colours. Trickle ventilators can be integrated on extended frame heads or additional sections to fulfil specific installation requirements.

We understand the need for precise specifications, functional requirements, and distinctive designs for your projects, and we are committed to delivering custom solutions within just 6 days. Our dedication extends beyond quick delivery:

  • A comprehensive selection of uPVC flush casement windows
  • Options for frame and sash styles.
  • Many different colours and foils.
  • Fast trade quotations.

All our uPVC flush casement windows come with a full suite of cills, frame add-ons, extras, and ancillary profiles, making us a one-stop-shop for the trade and homeowners buying direct. For more information and pricing details, contact us today.