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London Flat Roofing Experts

Professional GRP and EPDM Flat Roofing in London

We have installed hundreds of durable flat roofs across London using Lloyds approved materials. Every installation comes backed by a 20-year guarantee for complete weather protection.

Professional GRP and EPDM Flat Roofing in London in Greater London by Grp Roofing

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25+

Years in Business

20-Year

Guarantee on All Roofs

grp flat roofing  fibreglass roofing

Quality Craftsmanship

Specialist Flat Roofing Contractors Serving Greater London

We have spent over 25 years building a reputation across London, Surrey, Kent, and Essex for faultless flat roofing installations. Using strictly Lloyds approved materials, our team specializes in upgrading failing felt roofs to modern GRP fibreglass and EPDM rubber systems. We manage everything from residential garage and extension roofs to large commercial properties with strict quality control.

Lloyds Approved Materials

We only use top-tier materials that meet the highest structural and aesthetic standards.

Zero Seams or Joints

Our GRP roofs cure into a single continuous membrane that never lets water through.

Message by Owner

Director, GRP Flat Roofing

Hear directly from our owner about why we built this company ? and how we treat every roof as if it were protecting our own family.

Services

Our Roofing Services

We provide reliable roofing solutions designed to protect your property for years to come.

GRP Roofing

GRP roofing delivers a tough, seamless fibreglass surface that outperforms traditional felt.

GRP Roofing

Fibreglass Roofing

Fibreglass roofing provides exceptional strength and a high strength-to-weight ratio for flat roofs.

Fibreglass Roofing

GRP Flat Roofing

Our GRP flat roofing systems replace old, deteriorating felt with a permanent, watertight solution.

GRP Flat Roofing

EPDM Rubber Roofing

EPDM rubber roofing offers incredible durability with a life span of up to 50 years.

EPDM Rubber Roofing

Flat Roof Repairs

When flat roofs leak or show signs of wear, prompt intervention prevents costly structural damage.

Flat Roof Repairs

Roof Insulation & Decking

A strong flat roof starts from the deck up.

Roof Insulation & Decking

Roof Waterproofing

Water ingress can compromise your entire building structure.

Roof Waterproofing

The Smarter Choice

Why Choose GRP Flat Roofing?

Traditional felt roofs crack, blister, and fail after a few years under London's unpredictable weather. We install modern engineered flat roofing systems backed by decades of hands-on trade experience.

20-Year Guarantee

Every new roof is protected by our comprehensive 20-year guarantee scheme.

Over 25 Years Experience

Two decades of specialist flat roofing expertise applied to every project.

Completely Watertight

Seamless GRP and EPDM membranes leave zero entry points for moisture.

No Maintenance Needed

Tough, hard-wearing surfaces that withstand high temperatures and UV rays without degrading.

Projects

Our Latest Project

We showcase our latest roofing projects, demonstrating high-quality workmanship and lasting results.

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Our Process

Our Simple Flat Roof Installation Process

Inspect — We assess your existing flat roof structure and discuss the best GRP or EPDM specification for your property. · Quote — You receive a clear, fixed-price quotation with no hidden extras and full material breakdo

See Full Process
01

Inspect

Free on-site roof check and clear findings.

02

Quote

Straightforward estimate with options that fit.

03

Install

Licensed crew, quality materials, clean site.

04

Handover

Final walkthrough, warranty, and support.

Testimonials

What Our London Customers Say

Real feedback from homeowners and businesses who trust us with their roofs.

What Our London Customers Say in Greater London by Grp Roofing

Very many thanks for the very professional job you carried out for us this month with your team. The weather at times was not helpful to you but in the end you achieved the right end result perfect.

Mr & Mrs Foster

Brondesbury Park, London

What Our London Customers Say in Greater London by Grp Roofing

Thank you for an excellent job you did on our extension. We are very pleased with the work and it looks great. The staff were very friendly, polite and tidy in their work.

Mr & Mrs Keene

Kingston upon Thames, London

What Our London Customers Say in Greater London by Grp Roofing

I am writing to thank you for the splendid job your company carried out to such a high standard. We are extremely satisfied with the finished result, giving us peace of mind regardless of what weather we may encounter.

A Cartwright

Stamford Hill, London

What Our London Customers Say in Greater London by Grp Roofing

Metal roofing install looks sharp and the crew explained every option clearly. Great experience from estimate to final walkthrough.

David Chen

Business Owner

What Our London Customers Say in Greater London by Grp Roofing

Skylight installation brightened our kitchen and sealed perfectly. Professional, tidy, and on budget.

Aisha Rahman

Homeowner

What Our London Customers Say in Greater London by Grp Roofing

They helped with our insurance claim after storm damage and restored the roof quickly. Truly reliable partners.

Robert Hayes

Homeowner

What Our London Customers Say in Greater London by Grp Roofing

Waterproofing fixed years of seepage issues. Transparent process and excellent follow-up after the job.

Elena Brooks

Condo Owner

What Our London Customers Say in Greater London by Grp Roofing

Shingle replacement looks brand new. Fair quote, skilled crew, and a warranty that gives real peace of mind.

Michael Torres

Homeowner

FAQ

Frequently Asked Questions

Answers to common questions about our roofing services, process, and what to expect.

A professionally installed GRP flat roof easily lasts 30 to 50 years or more with virtually zero maintenance. Our installations are backed by a 20-year guarantee for complete peace of mind.
Yes. Traditional felt relies on heat-sealed joints that degrade and come apart over time. GRP forms a single, seamless, continuous fiberglass membrane that is completely watertight and UV resistant.
In most cases, yes. We inspect the underlying decking to ensure it is structurally sound before laying our high-grade GRP fibreglass or EPDM rubber system directly onto your garage, porch, or extension.
We cover all of Greater London, Central London, Surrey, Kent, Essex, and surrounding boroughs. Call us today to confirm your specific location.