Door Width Measurement
Measure brick-to-brick at three points: top, middle, and bottom of the opening. Use the smallest measurement and deduct 10mm from it to allow for a proper fit.
6 Day Doors is a UK manufacturer and trade supplier of composite back doors for installers, builders, glazing companies and construction professionals. Made to measure for rear and side entrances, our composite back doors combine secure multi-point locking, thermal performance and low-maintenance construction with a choice of styles, colours, glazing and hardware.
Choose from the composite back door designs below, configure the specification for your project, or contact our team for trade support with sizing, options and current lead times.
Ascot, Ashford, Bristol, Rosehill, Sunningdale and Winchester
Manufactured to your project dimensions
Security options for rear and side entrances
Trade supply for construction professionals
Choose from six composite back door designs: Ascot, Ashford, Bristol, Rosehill, Sunningdale and Winchester. Each model can be specified to suit the project, with available colour, glazing and hardware options depending on the chosen design.
6 Day Doors supplies made-to-measure composite back doors for installers and construction professionals who need a dependable rear or side entrance door with clear specifications and trade support. Composite construction provides a practical combination of security, weather resistance, thermal performance and low maintenance for replacement, refurbishment and new-build work.
Specify the door size, style, colour, glazing, hardware, threshold and any other project requirements before ordering. If you need help confirming the specification, our team can support you before manufacture.
Composite back doors are a practical choice for rear and side entrances where security, weather resistance and everyday durability all matter. Our back door range is available with multi-point locking and a choice of glazing, threshold and hardware options, helping trade customers match the specification to the project.
Composite construction is designed to provide a stable, low-maintenance door that performs well in regular use. Where a project has a specific thermal, glazing, accessibility or security requirement, confirm the required specification before ordering.
Each composite back door is manufactured to the dimensions and specification supplied for the project. Before ordering, confirm the structural opening, door design, handing, frame and cill details, colour, glazing, hardware, threshold and delivery information to reduce the risk of delays or specification errors on site.
Fast lead times are available on eligible composite back door specifications, with the current production time confirmed at quote stage. Non-standard colours, glazing, hardware and other bespoke details can affect turnaround, so confirm the lead time before committing to a fitting date.
For delivery arrangements and site-access information, see our delivery information or contact the team before ordering.
For trade customers, reliable supply matters as much as the door specification. 6 Day Doors combines UK manufacturing with practical ordering support to help installers and construction professionals source composite back doors with fewer delays and clearer project information.
Before ordering, you can also review our product guarantees and customer reviews.
Need a different entrance configuration? Browse the related composite door ranges.
Complete composite door range
Front entrance composite doors
Split-leaf stable door designs
Double-leaf composite doors
Want to see the quality before placing a larger trade order? 6 Day Doors has showrooms across the South East. Contact the team before travelling to confirm which composite door ranges are currently displayed at your preferred showroom.
Contact 6 Day Doors to check the current showroom display range, or call 0203 835 2007 for trade specification support.
Yes. 6 Day Doors manufactures and supplies composite back doors for installers, builders, glazing companies and construction professionals, with support available for sizing, specification and delivery.
Yes. Composite back doors are manufactured to the dimensions and specification supplied for the project. Confirm the structural opening and required fitting allowance before ordering.
Options vary by model but can include door style, colour, glazing, hardware, threshold and frame details. Confirm the available options for the selected design when configuring or requesting a quote.
Lead times depend on the chosen specification. Fast turnaround is available on eligible specifications, with the current production time confirmed before order.
Yes. 6 Day Doors has showrooms across the South East. Contact us before travelling to confirm which composite door ranges are currently on display at your preferred showroom.
A composite back door uses a conventional single door leaf, while a composite stable door is split horizontally so the upper and lower sections can open separately. Stable doors are available in their own dedicated range.
“I recently had the aluminium bifold doors installed in my home, and I must say, I'm thoroughly impressed! The team at 6 Day Doors was professional and worked efficiently to get everything installed within the promised timeframe. ”
“6 Day Doors transformed my kitchen area with a stunning roof lantern, and I couldn't be happier with the result. From the initial consultation to the installation, their team was attentive, knowledgeable, and responsive to my needs.”
Send us the door sizes, design, handing, colour, glazing, hardware, threshold requirements and delivery postcode. Our team will confirm the specification and return a trade quotation.
