Why choose a Composite Door?
Aesthetics – Security – Choice – Energy Efficiency
Aesthetics and Security
Stunning Aesthetics – The woodgrain finish on our GRP composite door is developed from oak tree wood grain, creating a beautifully authentic appearance and superior performance that is only available on our doors.
Enhanced Security – Our GRP composite door offers enhanced security thanks to its rigid polymer sub-frame, high density insulated core and high impact resistant GRP skin. Along with a multi point locking system. Our doors are Secured by Design (SBD) accredited. SBD is a widely respected and long-established official police security initiative operated by the UK Police Service.

Extensive Range & Expert Fitting
Hundreds of different door styles. Cherry-pick your perfect design from a wide variety of traditional and contemporary styles. Choose from a collection of exclusive colours. There’s a colour to suit every home, let your imagination run wild. Complement your new door with triple glazed decorative glass designs. Providing the finishing touch, there’s a design to suit every property style.
At Design Trade Windows and Doors LTD, we understand that quality installation is key to the performance of any door. Our team of experienced professionals is ready to assist you every step of the way, from selecting the right composite door to ensuring it is installed correctly for optimal functionality.

Energy Efficiency
Foam filled core and one of the most energy efficient doors on the market. To keep warmth in and cold out, saving money and emission levels. These doors have been tested against a solid timber composite door and a timber panelled door and this proved our doors are 50% more thermal efficient than the alternative doors.
Our composite doors are not only beautiful but also incredibly energy-efficient. The insulation properties of these doors help to keep your home warm during colder months and cool during the summer, reducing your energy bills while contributing to a more sustainable environment.
