Wimbledon's Trusted Roofing Specialists · Serving a 5-Mile Radius
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Roofing Service

Flat Roofing

EPDM, GRP and felt flat roof systems. 20+ year manufacturer warranties.

Flat and low-pitched roofs need different systems to pitched tile or slate roofs. The right choice depends on budget, foot traffic, exposure, and how long you plan to stay in the property.

Our flat roof systems

We install three main systems, each with real strengths. We'll always recommend what's right for your specific situation.

EPDM Rubber Roofing

Single-ply synthetic rubber membrane, fully adhered or mechanically fixed. No seams in the field of the roof. 50+ year lifespan.

  • Best for: Most residential flat roofs — extensions, dormers, garages, outbuildings
  • Lifespan: 50+ years (manufacturer warranties 20-25 years standard)
  • Cost: £75-£95 per m² installed
  • Pros: Seamless, very flexible, low maintenance, won't crack or blister

GRP Fibreglass Roofing

Cold-applied liquid resin and mat that cures to a hard, seamless, walkable surface. The premium choice for balconies and terraces.

  • Best for: Walkable surfaces (balconies, terraces), complex shapes, premium installations
  • Lifespan: 25-30+ years (25-year manufacturer warranties available)
  • Cost: £85-£110 per m² installed
  • Pros: Hard-wearing, fully bonded, can be any colour, slip-resistant options

High-Performance Felt

Modern torch-on felt is a different animal to old-school felt. Three-layer systems with 20+ year lifespan at the lowest price point.

  • Best for: Garage roofs, outbuildings, dormers, budget-conscious installations
  • Lifespan: 15-25 years
  • Cost: £45-£70 per m² installed
  • Pros: Cheapest, fast install, repairable in patches

How to choose

  • Want the longest lifespan, lowest maintenance? EPDM
  • Need a walkable surface (balcony/terrace)? GRP
  • Budget is the priority? Felt
  • Not sure? We'll look and recommend what's actually right for your situation.

Common flat roof problems

  • Ponding water — flat roofs need adequate falls to drainage
  • Blistering or splitting — usually poor installation or aged felt
  • Leaks at upstands — where the membrane meets walls
  • Edge deterioration — failed trims or edge details
  • Age failure — felt over 15 years old becomes brittle

Building Regulations for flat roofs

Since 2022, flat roofs require insulation upgrades to meet current Part L Building Regulations when more than 25% is replaced. We install modern warm-roof construction with rigid insulation above the deck — keeps your home warmer and reduces energy bills.

Benefits

Why choose this service

  • 20+ year manufacturer warranties on all systems

  • Single-ply membrane options for leak-proof finish

  • Seamless installations — no joints to fail

  • Warm roof insulation upgrade to current Building Regs

  • Insurance-approved systems

Our Process

How we work

Survey & spec

Check substrate, drainage, falls and recommend system.

Strip existing

Remove old roof, inspect and repair deck.

Insulate

Fit rigid insulation to current Building Regulations.

Install membrane

Lay chosen system with proper upstands and trims.

Warranty

Register manufacturer warranty, sign off.

Warning Signs

When to call us

  • ⚠ Ponding water on flat roof after rain

  • ⚠ Visible blisters, splits or cracks in the surface

  • ⚠ Active leaks at upstands, edges or joins

  • ⚠ Flat roof over 15 years old reaching end of life

FAQs

Common questions

How quickly can you attend an emergency?

For storm damage and active leaks we aim to be on site within 2 hours of your call, 24/7 across Wimbledon and South London.

Do you provide written quotes?

Yes — every job receives a detailed, fixed-price written quote. No verbal estimates, no surprise extras. Quotes are valid for 30 days.

Are you insured?

Yes — we hold £2 million public liability insurance. Documentation is available on request before any work begins.

Do you handle insurance claims?

Yes — for storm damage and similar insurance work we handle the entire claims process including documentation, loss adjuster liaison and direct insurer billing where applicable.

How do I know which flat roof system to choose?

Depends on budget and use. EPDM is best for most residential applications. GRP if you need a walkable surface. Felt if budget is paramount. We'll recommend what's right during the survey.

Can you overlay a new system on my old flat roof?

Usually no — old roofs need stripping first so we can inspect the deck. Overlaying traps moisture and shortens the new system's life.

How long will my flat roof last?

EPDM 50+ years, GRP 25-30+ years, modern felt 15-25 years. All come with manufacturer warranties.

Related

Other services you may need

New Roof Installation

Complete re-roofs and new build roofing for Wimbledon homes and businesses. Slate, tile and modern systems with full warranties.

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Roof Repairs

Leaks, slipped tiles, damaged flashing, chimney issues. Diagnosed and fixed properly the first time.

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Emergency Roof Repairs

Storm damage, active leaks, fallen trees. We respond within 2 hours, 24/7.

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Storm Damage Repairs

Storm damage assessed, repaired and fully documented for insurance claims.

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Local & Trusted

Flat Roofing Across Wimbledon & South London

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