Expert Flat Roof Installations Built to Last

When it comes to installing new flat roofs, All Roofing Works is the team to contact in the Worthing, Horsham, Chichester and Portsmouth areas. Whether you’re adding a new extension or replacing a worn-out roof, we install great-looking flat roofs designed to last for many years to come. Working across East Sussex, West Sussex and Hampshire, our team combines technical expertise with exceptional workmanship to deliver a new flat roof you can trust.

We offer a range of modern and traditional flat roofing systems, including durable rubber membranes (EPDM), multi-layer felt, and advanced fibreglass (GRP) finishes. Each option is expertly fitted with care and precision, ensuring a watertight, low-maintenance roof that complements your property’s appearance while standing up to the British weather.

All Roofing Works has built a strong reputation for delivering reliable roofing services. When you choose us for your new flat roof installation, you’re choosing a company that takes pride in every project and delivers results that last.

Rubber Roofing

Rubber roofing systems are engineered for strength, flexibility and durability. Rubber flat roofs are UV-resistant, highly waterproof, and virtually maintenance-free, offering outstanding performance and a life expectancy of up to 50 years. We install premium Firestone EPDM rubber roofing for outstanding performance.

Felt Roofing

Felt roofing remains a popular choice for flat roofs thanks to its proven resilience and affordability. Today’s high-performance felt systems deliver improved longevity and protection, making them an excellent solution for both residential and commercial applications.

Fibreglass Roofing

For a sleek, seamless finish with exceptional durability, fibreglass roofing is the premium choice. Ideal for contemporary properties and demanding environments, fibreglass roofs are completely waterproof, resistant to damage, and built to withstand the elements year after year.

Why Choose All Roofing for Your Flat Roof?

Highly experienced, fully qualified roofers

Premium materials from industry-leading manufacturers

Transparent, competitive pricing and clear communication

Tailored advice to suit your property and budget

Immaculate workmanship with a focus on detail

Take the first step towards a superior flat roof. Contact us today for expert advice and a free, no-obligation quote for flat roof installation in Worthing, East Sussex, West Sussex, Hampshire, Chichester, East Preston and the surrounding areas.

Flat Roofing Options Compared

Not sure which flat roofing material is right for your property? Here’s a quick comparison to help you choose the best option for your needs

Feature

Rubber Roofing (EPDM)

Lifespan

Up to 50 years

Finish

Smooth, flexible membrane

Weather Resistance

Excellent (UV and weatherproof)

Maintenance

Very low

Best For

Large areas, extensions, garages

Installation Speed

Fast

Cost

Mid-range

Feature

Felt Roofing

Lifespan

15–25 years

Finish

Layered, traditional finish

Weather Resistance

Very good, though it can degrade over time

Maintenance

Moderate (may require patch repairs)

Best For

Cost-effective roofing projects

Installation Speed

Fast to moderate

Cost

Budget-friendly

Feature

Fibreglass Roofing

Lifespan

30–40 years

Finish

Seamless, sleek, high-gloss finish

Weather Resistance

Outstanding, fully waterproof

Maintenance

Very low

Best For

Premium projects, contemporary designs

Installation Speed

Moderate

Cost

Premium

Brands We Work With