0203 835 2007


Trade Supply uPVC casement windows manufactured and supplied by 6-Day Doors suit replacement or new window projects and are designed to provide the benefits of thermally efficient, secure and stylish windows for the trade or homeowner wanting to buy direct and arrange their own installation.  Available with a choice of frame, vent  and transom sections, our casement windows are infinitely customisable in a choice of colours, handles, glass options and accessories.

We also offer a range of Rehau uPVC casement windows. Rehau casement windows combine the best of traditional aesthetics with modern UPVC benefits. 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 casement windows meet the highest energy-saving standards and comply with BS7412 requirements for the standard of a manufactured window.

6-Day Doors is the leading manufacturer of uPVC casement windows. Benefit from our fast and reliable supply only or full supply and installation service.  You can view our entire range of uPVC  casement windows in four large and convenient showrooms in Brentwood, Loughton, Romford and Epsom Surrey.

All come with full fitting instructions, fully protected for site delivery, competitive pricing, and dedicated expert support, making us the preferred supplier for your trade supply uPVC casement windows.


6-Day Doors provide installers, construction and property professionals with quality-made trade supply uPVC casement windows, with class-leading quality and the best specifications and features. We help you complete your property projects with fully compliant and high quality windows, made with care, competitively priced and delivered on time.

Tested to the latest security, insulation and weather performance requirements, our uPVC casement windows come with high quality friction stays, with optional fire-escape, egress or easy clean facility.  Also available are window restrictors and a choice of locking and non-locking handles in various styles and colours.  Trickle ventilators are neatly position on extended frame heads or add-on sections to meet the installation requirements.

We can help you configure the right uPVC casement windows for your project, whether you need to meet a particular specification, functional requirement or design.

We recognise the importance of efficiency in your line of work, which is why we deliver bespoke designs within just 6 days. However, our commitment goes beyond swift delivery:

  • A complete range of flush or classic casement windows.
  • Traditional or modern styling and options.
  • A choice of frame profiles and glass.
  • Fast turnaround on quotations.

All our uPVC casement windows are accompanied by a full range of cills, frame add-ons, extras and ancillary profiles giving you a one-stop-shop trade supplier.  Contact us today for prices and more information.