Flat Roof Installation & Replacement in London, Surrey & the

At CRH Roofing, we’re specialists in flat roof installation, repair, and replacement for both residential and commercial properties. Whether you’re building a new extension, upgrading an old flat roof, or managing a commercial building, our skilled team delivers watertight, long-lasting results — every time.

We work with all major flat roofing systems, including EPDM rubber, GRP fibreglass, and high-performance felt roofing, providing solutions tailored to your budget, building, and style.

• ✅ Expert Flat Roofing Specialists – Our experienced team installs flat roofs across London, Surrey, and the South East, with hundreds of successful projects completed.
   
• ✅ High-Quality Materials – We use only trusted brands like Firestone EPDM and Cure It GRP to ensure exceptional durability and performance.
   
• ✅ Tailored Solutions – We’ll recommend the best system for your property, whether it’s a domestic extension, garage, office, or industrial unit.
   
• ✅ Fully Guaranteed Work – Every flat roof we install comes with a full guarantee for complete peace of mind.
   
• ✅ Fast, Reliable Service – From quotation to completion, we work efficiently and safely, minimising disruption to your property or business.

 We offer a complete range of flat roof solutions, including:

• GRP Restec flexitec 2020

• EPDM rubber roofing

• New flat roof installations
   
• Flat roof replacements
   
• Three-layer felt roofing systems
   
• Warm roof and cold roof insulation
   
• Flat roof repairs and maintenance
   
• Garage, extension, and commercial flat roofs