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Stedek manufactures composite doors using a robust glass-reinforced plastic (GRP) skin, ultra-dense cores and Avantis multi-point locking systems. PVC-u outer framing, adaptable to Residence profiles, ensure for phenomenal doors that excel in insulation and security levels. We supply composite doors from leading manufacturers Solidor, Residor and Door-Stop.
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Traditional appearance with modern features
The same appearance as traditional timber doors, with the insulation and protection levels of modern materials.
Unique solid or timber core
Available with either a solid foam or timber core, exceptional levels of insulation are guaranteed.
Optional Ultion cylinder locks
One of the UK’s securest locking systems, Ultion locks can still prevent entry after being snapped twice.
BS6375 quality assurance
Stedek’s high quality composite doors have all been weather tested to BS6375, ensuring they meet UK standards for storm and weather proofing.
Looking for a composite door but unsure where to start? Use our online door designer to build your dream door. Choose your style, colour, glass, frame and even upload a picture of your house to see what it looks like.
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Our assortment of composites come with Avantis door locks, which have been tested to BS6375 quality assurance. Yale cylinders, TS007 3 star Kitemarked Anti-Snap security products, are also in use. Alternatively, industry renowned Ultion cylinder locks can be fitted instead. Finishing off the doors is a lightweight, highly durable and fully customisable glass reinforced plastic skin.
Get a quoteWith maximum U-values of 1.5 w/m2K, our range of composites exceed industry standards for insulation. Laminated glass can reduce this value even further. They have received PAS24:2016 accreditation the industry standard for security.
Residor variations are equipped with a 3.6mm skin, more than twice as thick as the majority of composites on the market, whilst Door-stop composites feature a unique glazing cassette which allows for straightforward glass changes.
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A composite door from Stedek comes in a bountiful selection of bespoke styles, colours and glazing options. Knockers, hinges, door handles and other hardware accessories are available as optional extras, allowing for full customisation.
Get a quoteI've been buying direct from Stedek for the last 3 years and fitting myself into properties I buy and refurb to sell on. I'm very happy with their professional service
Read moreDavid Bessant
13 July 2026
First time ordering with Stedek Windows & Doors. I can honestly say it’s been a breeze from start to finish. Very efficient and honest with time scales. Also keeping up...
Read morePhil Adams
Windows and doors manufacturers. Good services at a reasonable price
Read moretrev29359
Very good company to do business with, I'll recommend them to anybody.
Read moreIhab al-jamal
For all the support we received throughout the period we were dealing with them. People at Stedek Windows & Doors are really helpful, friendly and professional. From the time we...
Read moreWorld Lifetime Journeys
We expect nothing less than excellence here at Stedek. Whether it’s products, service or aftercare, quality makes up the core of our ethos. We’re so confident in the quality we have on offer here that we offer a 10 year guarantee on our whole range, as standard.
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