Professional roofers from Kevington Roofing and Building LTD performing a new roof installation on a house in Bromley

Expert GRP Fibreglass Roofing in Westerham


Call Your Local Westerham Expert
01689 663319
Serving Westerham & Kent

How We Install Your Seamless GRP Flat Roof

A long-lasting flat roof depends entirely on the quality of the preparation and materials used. Our process begins with a thorough inspection of your existing roof structure to check for any underlying water damage. We then carefully strip away the old, damaged roofing materials and dispose of them responsibly.Next, we install a brand new structural timber deck using high-quality OSB3 boards. This creates a solid, dry foundation for the fibreglass system. Once the decking is secure, we apply a specially formulated resin combined with strong fibreglass matting. This layer is what gives the roof its incredible structural strength and flexibility.Finally, we apply a durable, UV-resistant topcoat. Because this is a cold-applied system, there is absolutely no need for heat or dangerous open flames on your property. The result is a smooth, continuous surface that looks incredibly neat and provides total leak prevention. Ready to upgrade your garage or extension? Contact us today to book a comprehensive site survey.

Croydon & South London

01689 663319

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Roofer working on a flat roof installation or repair
Trusted Flat Roofing Experts

Why Choose Kevington for GRP Fibreglass Roofing in Swanley & Kent?

Why Choose Fibreglass Over Traditional Felt?

Upgrading to a GRP fibreglass flat roof offers significant advantages for homeowners. First and foremost is exceptional longevity. While standard felt roofs typically need replacing every 10 to 15 years, a professionally installed fibreglass roof can easily last for several decades without requiring constant maintenance. Once installed, you can enjoy total peace of mind knowing your property is secure.Fibreglass is also incredibly robust and impact-resistant. If you have a balcony or a roof terrace that sees regular foot traffic, a GRP system is more than tough enough to handle the wear and tear without puncturing. Furthermore, it adds a sleek, architectural finish that instantly improves the kerb appeal of your property.Thermal efficiency is another major benefit. When installing a new fibreglass roof, we can easily incorporate modern warm roof insulation beneath the deck. This helps to trap heat inside your home, reducing your energy bills while keeping your rooms warmer in the winter and cooler in the summer.

Safe and Compliant Flat Roofing for Kent Properties

Navigating local building regulations can be confusing for homeowners. As trusted local experts, Kevington Roofing and Building LTD handles the red tape for you. When replacing a flat roof, UK building regulations often dictate that the thermal efficiency of the roof must be upgraded to current standards. We ensure that every installation we complete is fully compliant with Part L building regulations.Whether you live in a modern semi-detached house in Sevenoaks or a period property within a Westerham conservation area, we tailor our approach to suit your home. GRP roofing is also an excellent, theft-proof alternative to traditional lead roofing for bay windows and porches. It mimics the visual style of lead but holds zero scrap value for thieves.Your safety is our priority. Because fibreglass is applied cold, there is no fire risk during the installation process. We maintain strict safety protocols on every site, ensuring a clean, organised, and hazard-free environment from start to finish.

Reliable Local Roofers Serving Sevenoaks and Beyond

Based locally, Kevington Roofing and Building LTD proudly serves a 20-mile radius across South East London and Kent. We have a deep understanding of the local housing stock and the specific weather challenges properties in this area face. Our dedicated team is always on hand to provide fast, reliable service when you need it most.We frequently install new GRP flat roofs in Westerham, Sevenoaks, Brasted, Sundridge, Halstead, and Eynsford. We also cover the wider Bromley and Bexley boroughs. If you require an emergency roof repair in Sevenoaks following a severe winter storm, our responsive team will quickly secure your property to prevent further internal damage.Using a truly local company means you get prompt communication, realistic start dates, and ongoing support long after the installation is complete. We build our reputation on trust, reliability, and outstanding local craftsmanship.

25 Years of Trusted Roofing Expertise

Finding a reliable roofing contractor can be a daunting process. Kevington Roofing and Building LTD is a fully registered UK company (No: 12676001) with a quarter of a century of hands-on experience. We never rely on unknown subcontractors. Every fitter working on your home is directly employed by us, highly trained, and fully insured with public liability cover.We believe in complete transparency from the moment you contact us. Our expert surveyors provide detailed, itemised quotes so you know exactly what you are paying for, with no hidden costs or nasty surprises. We pride ourselves on delivering honest advice, whether you need a minor repair or a complete flat roof replacement.When you choose us, you are partnering with seasoned professionals who genuinely care about protecting your home. Call 01689 663319 today to speak directly with our friendly roofing experts.

Why Choose Kevington Roofing and Building LTD?

Your trusted, fully insured roofing specialists delivering durable GRP fibreglass flat roofs across Swanley, Sevenoaks, Croydon, and Kent.

Local Kent & London Experts

Based in Orpington, we have a deep understanding of local building requirements, proudly serving a 20-mile radius including Swanley and Sevenoaks.

25 Years of Expertise

With over two decades of hands-on experience, our directly employed team ensures flawless GRP installations. We never use unknown subcontractors.

Premium GRP Fibreglass

We install high-grade, cold-applied liquid membranes engineered to withstand the harshest UK weather, providing a seamless, waterproof finish.

Transparent, Itemised Quotes

As a fully insured, registered UK company (No: 12676001), we provide detailed, no-obligation quotes with absolutely no hidden fees.

Newly installed flat felt roof with guttering

Common Questions About Fibreglass Flat Roofs

How long does a GRP roof actually last?When installed correctly onto a fresh, dry timber deck, a GRP fibreglass roof can last upwards of 30 years. It significantly outlasts traditional felt materials because it does not become brittle or crack under UV light.How much does a new flat roof installation cost in Kent?The cost varies depending on the size of the roof, the amount of structural decking that needs replacing, and whether you require upgraded insulation. We provide free, transparent, and fully itemised quotes tailored to your specific property.Can I walk on a fibreglass flat roof?Yes. GRP is incredibly strong and structural. While a standard installation easily handles occasional access for window cleaning or maintenance, we can also apply a heavier-grade finish with an anti-slip texture if the area will be used as a regular balcony or terrace.Is fibreglass better than EPDM rubber roofing?Both systems are excellent, modern alternatives to felt. GRP is completely seamless and harder, making it better for foot traffic and complex roof shapes. EPDM is highly flexible and great for large, simple extensions. We can advise on the best option for your specific needs during our survey.

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Roofing Services Across Croydon & South London: 01689 663319

What Our Clients Say About Kevington Roofing and Building LTD

"Fantastic service from the team at Kevington Roofing and Building today. They were recommended by a friend and I was very impressed. I’ll be using them again."

Celia Bennett

"Reliable and prompt - the Kevington team was able to view the property and provide options and transparent, itemised quotes on the same day I called. After deciding what level of work I wanted done, they returned soon after to carry out the roof repairs to a high standard without me even needing to be there."

Philip Day

"Highly recommended! Great price! First class job. Nothing was too much for these lads, very polite, got the job done and more. When they had finished they cleaned up that well, even took some of my own rubbish away for me. Well done lads! Not often you get a good, honest local roofer anymore! Thanks again."

Nick Mangnall

GRP Fibreglass FAQs

Frequently Asked Questions About GRP Flat Roofing

Got questions about upgrading or repairing your flat roof? Kevington Roofing and Building LTD provides expert answers on our durable, cold-applied liquid membrane systems for homes across Croydon & South London, Swanley, Sevenoaks, and Kent.

How much does a new GRP fibreglass roof cost in Swanley?

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The cost of a fibreglass roof replacement in Kent depends on the size of the area and the condition of the underlying timbers. Generally, while the initial cost is slightly higher than felt, the fact that it lasts twice as long makes it the most cost-effective flat roof installation in the long run. We provide free, itemised quotes so you can see exactly where your money is going.

Can a GRP roof be installed in any weather?

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Fibreglass needs dry conditions to cure correctly. While we can work throughout the year in Swanley, we carefully monitor the weather. We will never start a resin application if rain is forecast, as this would compromise the waterproof seal. Our team uses temporary coverings to keep your home dry at all times during the process.

Is GRP roofing noisy when it rains?

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This is a common myth. When installed correctly with high-quality OSB3 decking and proper insulation, a GRP roof is no noisier than any other roofing material. In fact, many homeowners find it quieter than old thin felt roofs because of the solid timber base we install underneath the laminate.

How long will the installation take?

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Most domestic flat roofs in Swanley, such as a standard garage or kitchen extension, can be completed in one to two days. We aim to work efficiently to minimise disruption to your daily routine, and we always make sure the site is safe and secure at the end of each day.

Still have questions? Contact our Croydon & South London Roofing experts today!

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Proudly Serving Orpington, Bromley, Kent & South East London

Kevington Roofing and Building LTD are your trusted local roofing experts, bringing over 25 years of hands-on experience to properties across South East London and Kent. Based in Orpington, we cover a 20-mile radius, providing fully insured, compliant, and reliable roofing solutions. Explore our primary service areas below.

Our Key Service Areas

Bromley & Bexley

  • Bromley: Orpington, Beckenham, Chislehurst, West Wickham, Biggin Hill
  • Bexley: Bexleyheath, Sidcup, Welling, Erith, Crayford
  • Emergency roof repairs across both boroughs

Kent, Croydon & Beyond

  • Kent: Sevenoaks, Dartford, Westerham, Swanley, Longfield
  • Croydon: Purley, Coulsdon, Sanderstead
  • Greenwich & Lewisham: Eltham, Blackheath, Catford
  • Covering a 20-mile radius from Orpington

Your Trusted Local Experts

  • Expertise with 1930s semis & Victorian terraces
  • Compliant with UK building control & local rules
  • Directly employed staff—no unknown subcontractors
  • Over 25 years of proven industry experience

Need Roofing Services?

Contact Kevington Roofing and Building LTD today for a transparent, no-obligation quote or fast response call-out across Kent and South London.

Call Us Today

If your specific location in South East London or Kent isn't listed, please don't hesitate to get in touch! We cover a wide 20-mile radius from our Orpington base.

Our South East London & Kent Coverage

Map shows our primary service areas across Orpington, Bromley, Kent, and South London.

Get a Free Quote for Your GRP Fibreglass Flat Roof Today!
Call Croydon & South London's Trusted Roofing Specialists on 01689 663319