Expert flat roofing installations, repairs, and replacements using premium materials including EPDM rubber, fibreglass GRP, and high-performance felt systems. Trusted specialists serving South East England with long-lasting, weatherproof flat roof solutions.
At Apex UK Roofing, we are leading specialists in flat roofing systems for domestic and commercial properties across South East England. Whether you need a brand-new flat roof installation for a garage, extension, or dormer, or require expert repairs to an existing flat roof that is leaking or deteriorating, our experienced team delivers outstanding results every time.
We work with the most advanced flat roofing materials available, including EPDM rubber membranes, fibreglass GRP systems, and traditional felt roofing. Each material offers distinct advantages, and our team will advise you on the best solution based on your property type, budget, and desired lifespan. Our flat roofing installations are designed to provide superior waterproofing, thermal performance, and durability that withstands the British climate for decades.
Covering over 39 locations across Surrey, Berkshire, Buckinghamshire, Hertfordshire, Essex, and Greater London, we are your local flat roofing experts. Every installation and repair comes with our comprehensive insurance-backed guarantee, ensuring your investment is fully protected for years to come.
Premium EPDM rubber membrane installations with up to 50 years lifespan, ideal for garages, extensions, and dormers.
High-performance fibreglass systems delivering a tough, seamless, and completely waterproof finish for any flat roof.
Glass Reinforced Polyester roofing providing an incredibly strong, rigid, and UV-resistant waterproof surface.
Complete flat roof replacement including deck inspection, structural repair, and modern insulation to current building regulations.
Fast, reliable repairs and emergency callouts for leaks, storm damage, and all flat roofing system issues.
Comprehensive flat roofing solutions tailored to your property and budget, from new installations to full upgrades.
Professional flat roofing work for domestic extensions, commercial buildings, balconies, and outbuildings of all sizes.
Expert rubber flat roof installations using industry-leading EPDM and synthetic rubber membranes with excellent flexibility.
Multi-layer flat roofing systems built from high-performance membranes for durable, fully bonded waterproof coverage.
Proven torch-on and pour-and-roll felt roofing using modern polyester-based membranes for a cost-effective solution.
Lightweight single-ply membrane systems such as TPO and PVC, ideal for new builds and refurbishment projects.
Specialist repairs for blistering, cracking, ponding water, failed seams, and worn surfaces on all flat roof types.
EPDM rubber membranes are the go-to choice for homeowners seeking maximum longevity with minimal maintenance. With a lifespan of up to 50 years, EPDM is highly flexible, UV resistant, and can be installed as a single seamless sheet on most domestic roofs. It performs exceptionally well in all weather conditions and is one of the most environmentally friendly flat roofing options, as it can be recycled at end of life. Best suited for garages, extensions, dormers, and outbuildings where long-term performance is the priority.
GRP fibreglass roofing creates an incredibly hard, seamless surface that is fully waterproof and highly resistant to impact, foot traffic, and UV damage. Applied as a liquid resin reinforced with glass fibre matting, it cures to form a rigid shell that can be finished in a wide range of colours. GRP roofs typically last 30 to 40 years and are virtually maintenance-free. This system is the ideal choice for balconies, walkways, and flat roofs that will experience regular foot traffic or where a premium aesthetic finish is desired.
Built-up felt roofing remains a popular and cost-effective option for flat roofs, particularly when budget is a key consideration. Modern torch-on felt systems using high-performance polyester-based membranes offer significantly improved durability and waterproofing compared to older mineral felt methods. A well-installed felt roof can last 15 to 20 years with proper maintenance. Felt roofing is best suited for sheds, small extensions, and properties where a reliable, affordable covering is needed without the higher upfront cost of EPDM or GRP systems.
We begin with a thorough on-site survey of your existing flat roof or the area where a new installation is required. Our experienced surveyor assesses the deck condition, drainage, insulation requirements, and access, then discusses your preferences and budget to recommend the most suitable flat roofing system for your property.
Following the survey, we provide a comprehensive written quotation that clearly outlines every aspect of the work, including materials, labour, waste removal, and any additional requirements such as insulation upgrades or structural repairs. Our pricing is fully transparent with no hidden charges, so you know exactly what to expect before any work begins.
Our skilled flat roofing team carries out the installation to manufacturer specifications and industry best practices. We prepare the deck surface, install appropriate insulation and vapour barriers, and apply your chosen roofing system with meticulous attention to detail at every junction, upstand, and drainage point. The work area is kept clean and safe throughout.
Every completed flat roof undergoes a rigorous final inspection to ensure it meets our exacting quality standards and is fully watertight. We walk you through the finished work, provide care and maintenance advice, and issue your insurance-backed guarantee documentation so you have complete confidence in your new flat roof for years to come.
The lifespan of a flat roof depends primarily on the material used and the quality of installation. EPDM rubber roofs can last up to 50 years with minimal maintenance, making them one of the longest-lasting options available. GRP fibreglass roofs typically last between 30 and 40 years and are exceptionally durable. Traditional felt roofs, when installed using modern torch-on methods with high-quality polyester-based membranes, can provide reliable performance for 15 to 20 years. Regular inspections and prompt attention to any minor issues will help maximise the lifespan of any flat roofing system.
The best flat roofing material depends on your specific requirements, budget, and the intended use of the roof area. EPDM rubber is excellent for most domestic applications due to its outstanding longevity, flexibility, and low maintenance needs. GRP fibreglass is the superior choice if the roof will be walked on regularly, such as a balcony or roof terrace, as it creates an extremely hard, durable surface. Traditional felt remains a sensible option for smaller areas or where budget is a primary concern. During our free survey, we assess your property and discuss the pros and cons of each system to help you make an informed decision.
In many cases, a flat roof can be successfully repaired rather than fully replaced, particularly if the underlying deck structure is sound and the damage is localised. Common repairable issues include blistering, small cracks, failed seams, and minor ponding. However, if the roof is extensively deteriorated, has multiple areas of failure, or the deck itself is rotten or damaged, a full replacement is usually the more cost-effective long-term solution. Our team will carry out a thorough inspection and provide an honest assessment, always recommending repair where it is a viable and lasting option.
The cost of a new flat roof varies depending on the size of the area, the material chosen, the condition of the existing deck, accessibility, and whether additional insulation or structural work is required. As a general guide, felt roofing is the most affordable option, EPDM rubber falls in the mid-range, and GRP fibreglass is typically the most premium choice due to its superior durability and finish. We provide free, no-obligation quotations that detail every cost transparently. Contact us to arrange a survey and receive a personalised quote tailored to your project.
In most cases, replacing or repairing an existing flat roof on a domestic property does not require planning permission, as it falls under permitted development rights. However, planning permission may be needed if you are significantly altering the height or shape of the roof, if your property is in a conservation area, or if the building is listed. New flat roof installations on extensions typically need to comply with building regulations, particularly regarding insulation and structural requirements. We can advise you on the regulatory requirements during your consultation and ensure all necessary approvals are in place before work commences.
