OCTOBER SPECIAL OFFER • BUY A COMPOSITE FRONT AND BACK DOOR - RECEIVE £300 OFF - DISCOUNT CODE: MULTI  • OCTOBER SPECIAL OFFER • £100 OFF ALL COMPOSITE DOORS  • OCTOBER SPECIAL OFFER • FREE UK MAINLAND DELIVERY  •
OCTOBER SPECIAL OFFER • BUY A COMPOSITE FRONT AND BACK DOOR - RECEIVE £300 OFF - DISCOUNT CODE: MULTI  • OCTOBER SPECIAL OFFER • £100 OFF ALL COMPOSITE DOORS  • OCTOBER SPECIAL OFFER • FREE UK MAINLAND DELIVERY  •
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OCTOBER Special Offer £100 Off All Composite Doors Buy a Composite Front & Back Door - Receive £300 Off
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Composite Back Doors; Strong & Secure

Our external composite back doors are manufactured to a very high standard and specification, achieving a super strong and secure back door that will leave you feeling safe and secure. Choose from a superb assortment of composite back doors in a variety of exterior back door styles and upvc frame colours.

We understand security is paramount at the rear of the property and as standard we install a Police preferred PAS024 approved multipoint locking system with expectional security features and a Yale kitemarked cylinder. In addition, our composite back doors offer excellent thermal efficiency and weather resistance.

Buy with confidence from the UK's No.1 rated composite door supplier on product and service. Exterior back door prices start from just £574 inc VAT DIY supply only, fantastic value external rear doors and of the highest quality and specification, delivered 'FREE' right to your doorstep and within just 10-15 working days*.

We guarantee you great value composite back doors along with a 5* rated service (don't take our word for it, please visit our customer reviews page or TrustPilot)

GRP Composite Back Door Styles

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See composite back doors supplied to our customers.

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Frequently Asked Questions

Yes. Our composite back doors arrive pre-hung in a uPVC outer frame, ready to install.

Our composite back doors start from £574 including VAT. Colours, glazing and hardware can affect the total price. Configure your composite back door for a personalised price.

Our composite back doors include multipoint locking and a Kitemarked cylinder, securing the door at several points along the frame. Enhanced PAS24 and Secured by Design features are also available.Read about our composite back door security features.

Yes. We offer obscure, frosted and decorative glass to reduce visibility into your home while admitting daylight. Choices depend on your back door design. Compare privacy glass for your composite back door.

Yes. You can choose separate internal and external finishes to coordinate your composite back door with your room and property exterior. Explore our interior and exterior colour options.

Our options include lever handles, contemporary pulls and coordinated accessories. Compatible choices depend on your back door design and locking system. Compare handles and accessories for your composite back door.

Yes. Compatible back doors offer 15mm aluminium, 50mm PVC and 68mm full-frame PVC threshold options. Check your floor levels and cill requirements. Compare our composite back door threshold options.

Yes. Our reglazeable cassette system allows the glass unit to be replaced without changing the complete door. Replacement compatibility must be checked. Read about replacing composite door glazing.

Yes. We offer solid four-panel, six-panel and cottage back doors for entrances where glazing is not needed. Choose an unglazed composite back door in our designer.

Yes. Our 2xG half-glazed style composite back doors include cottage designs with a glazed upper section and solid lower panel. Explore half-glazed door designs in our online designer.

Supply the overall frame dimensions, including any selected cill and extensions. Make the required fitting allowance before ordering; we manufacture to the sizes supplied. Follow our complete door measuring instructions.

Allow approximately 2–4 weeks. Some bespoke specifications and Scottish deliveries take 3–5 weeks. We provide an expected date when ordering. Check our composite back door delivery estimates.

Our composite door cills come in 85mm, 150mm and 180mm depths. These measurements include the section beneath the frame, not just the outward projection. Compare external cill sizes and dimensions.

Yes. Delivery is free within our covered UK mainland areas. Check our free-delivery coverage for your back door.
Contact us at sales@grpcompositedoors.com or give us a call on 01530 515160
For further information about our external doors and lead times, please contact our friendly sales team.
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