High-Security Composite Doors by Grovewood
Premium ‘Made in Britain’ entrance doors engineered for maximum security and thermal efficiency. Serving Hampshire, Surrey, and Sussex since 1977.

Bespoke Composite Entrance Doors
Grovewood provides a specialised range of high-performance composite doors sourced from the UK’s leading manufacturers: Hallmark, Distinction, and Endurance. Our doors are designed to offer the aesthetic appeal of traditional timber with the advanced technical performance of modern materials. As a ‘Made in Britain’ scheme member established in 1977, we provide a full turnkey service—from professional design and visualisation to structural building works and building control certification for your Bordon or Godalming home.
Suppliers & Specification
We exclusively install composite doors from Hallmark, Distinction, and Endurance to ensure the highest standards of British engineering.

INTENSE TESTING
The Secured by Design testing process is intense and comprehensive, comprising:
- A manual attack on the locking hardware with tools including a crowbar and mole grips.
- An unlimited number of 3-minute attacks on the door cylinder using a range of tools such as craft knives and screwdrivers.
- 3-minute manual attack using chisels and brick bolsters to gain entry through the door.
- Hard body impact test – impacts are applied to the door leaf at hinge points and locking points using a 50kg steel impactor.
Utilising high-impact modified materials and GRP skins that resist weather and physical force.

Classic

Urban

Country

Avantal
Technical Features


Why Grovewood?
Technical FAQ
Contact our Bordon headquarters on 0345 470 1977 for specific technical enquiries regarding your composite door installation.
Composite doors utilise a combination of materials including glass reinforced plastic (GRP), rigid polymers, and timber cores. This results in a thicker (44mm to 48mm) door that offers significantly higher thermal insulation and security compared to standard uPVC panels.
Yes. All three suppliers provide systems that meet the Secured by Design (Police Preferred Specification). They feature multi-point locking mechanisms, anti-snap cylinders, and high-impact skins as standard.
We provide a full turnkey service. This includes technical surveys, architectural visualisation, structural building works (if widening an opening), and building control management across Hampshire and Surrey.
Our headquarters is at Unit 3, Kingsley Business Park, Bordon. Please call 0345 470 1977 to arrange a technical consultation or to view samples of our Hallmark and Endurance ranges.