✅ Flat Roof FAQs

Got flat roof questions? We’ve got trusted answers.

  • EPDM (rubber roofing) is currently the most popular due to its long lifespan, durability, and low maintenance. We also offer felt and GRP (fibreglass) depending on your needs. See /our materials guide.

    • EPDM: 20–30 years

    • Felt: 10–20 years

    • GRP/Fibreglass: 20–30 years
      Proper installation and drainage are key to reaching full lifespan.

  • Costs vary by size, material, and condition of the existing roof. Most residential flat roof replacements in Kent start from £1,000+. Get a tailored price on our /Quotes & Pricing FAQs.

  • No — flat roofs get a bad reputation due to poor past installations. Modern flat roofing systems, especially EPDM and GRP, are highly waterproof when properly installed.

  • Sometimes, yes — particularly with EPDM overlays. But we always assess whether it’s best to remove and replace. Ask us for a /Free Quote.

  • Not usually. Most single-storey flat roof extensions fall under permitted development, but it’s worth checking with Canterbury City Council or asking us.

  • Most single flat roofs (garage or extension) take 1–2 days, depending on complexity and weather.

  • Yes — we offer warm roof systems which include insulation above the joists. It improves energy efficiency and complies with Building Regs.

  • We ensure correct falls are built into the roof and use tapered insulation or outlets to keep water flowing properly.

  • Yes — but only if it’s been reinforced or designed for foot traffic. Let us know and we’ll use the right materials for accessibility.

🧰 Need help with your flat roof?
From small repairs to full replacements, we install durable, leak-proof flat roofs across Canterbury and Kent.

👇 Get a free quote today — no obligation