Expert flat roof installation, repairs and maintenance for homes and businesses, using durable EPDM rubber, GRP fibreglass and felt systems. Free inspection, no call-out charge.
Tell us about your flat roof. We usually reply the same day.
At Alliance Roofing & Building, we provide expert flat roofing solutions, offering high-quality installations, repairs and maintenance for both residential and commercial properties. Whether you need a new flat roof, a re-roof, or repairs to an existing one, we deliver a durable, watertight finish built to withstand the elements.
Using premium materials such as EPDM rubber, GRP fibreglass and felt roofing, we deliver flat roofs that are not only long-lasting but also low maintenance. Our team serves Buckinghamshire, Hertfordshire, Berkshire, Surrey and London, providing tailored solutions for residential, commercial and industrial properties, from garage roofs and extensions to large commercial flat roofs.
High-quality flat roofing designed for durability and efficiency, ideal for extensions, garages and dormers.
Fixing leaks, cracks and damage to restore your roof's integrity and keep your property watertight.
Upgrading existing flat roofs with new, weather-resistant materials for a longer lifespan.
Expert installation of every major flat roofing system to suit your property and budget.
A seamless, single-piece rubber membrane that resists UV and weather, with a long service life and minimal maintenance.
A tough, seamless fibreglass system with a hard-wearing finish, ideal for balconies, dormers and high-traffic flat roofs.
A proven, cost-effective multi-layer system that gives a reliable, watertight finish when professionally installed.
★★★★★ 103 verified Checkatrade reviews
"Replacement of a flat roof. Mitchell and his team are smart, communicative, skilled, friendly, helpful, trustworthy and reliable. I would highly recommend their roofing services."
"Mitchell was the only builder of many I contacted who actually climbed a ladder to inspect my flat roof and got into the loft. Quote the same day, work to a professional standard, photos at every stage."
"Good communication throughout. Good work. Very happy with the service. They fixed the roof including all the felting and repaired the chimney."
Free inspection, no call-out charge, honest written quote, usually the same day.
