How Much Does Flat Roof Installation Cost in Kent?
Flat roofs are a popular choice for extensions, garages, and modern homes across Kent thanks to their clean design and cost-effectiveness. Whether you are considering a brand new flat roof installation or replacing an older one, understanding the average cost is key to planning your budget. At S Harris Roofing, we provide professional flat roof installations and replacements tailored to your needs.
Average Flat Roof Installation Costs in Kent
The cost of a flat roof in Kent will depend on the materials chosen, the size of the roof, and the complexity of the installation. On average:
- Small Flat Roof (e.g. shed or porch): £800 – £1,200
- Medium Flat Roof (e.g. garage or extension): £1,200 – £2,500
- Large Flat Roof (e.g. full property section): £3,000 – £6,500+
For flat roof replacements, costs may vary depending on whether the old materials need removing and whether any underlying timber or insulation requires repair. Replacement prices in Kent typically range from £1,500 – £5,500.
Types of Flat Roof Systems
The material you choose will also impact the cost:
- Felt Roofing: Affordable option, average £40 – £60 per m²
- EPDM Rubber Roofing: Durable and weather-resistant, average £70 – £100 per m²
- GRP Fibreglass Roofing: Premium, long-lasting option, average £90 – £120 per m²
Why Invest in a Flat Roof Replacement?
- Improves energy efficiency
- Prevents water leaks and damp issues
- Enhances property value
- Long-term durability and low maintenance
Get a Free Flat Roof Quote in Kent
For an accurate, no-obligation quote, contact S Harris Roofing. We specialise in flat roof installations and replacements across Kent, providing high-quality workmanship and reliable service every time.
Click here to request your free quote today.
FAQs – Flat Roof Installation in Kent
How long does a flat roof last?
Depending on the material, a professionally installed flat roof can last 20–40 years with minimal maintenance.
How do I know if I need a flat roof replacement?
Signs include persistent leaks, water pooling, visible cracks, or if your roof is over 20 years old and showing wear.
Which flat roof material is best?
EPDM rubber and GRP fibreglass are highly recommended for durability, though felt is a budget-friendly option.
Is a flat roof cheaper than a pitched roof?
Yes, flat roofs generally cost less to install and maintain than pitched roofs, making them a cost-effective solution.
Do flat roofs require maintenance?
Flat roofs require minimal maintenance, but annual inspections are recommended to keep them in top condition.
Conclusion
Flat roof installations and replacements in Kent can range from £800 for smaller projects to £6,500+ for larger properties. The choice of material, property size, and condition of the existing roof will influence the final cost. For reliable and affordable flat roofing solutions, contact S Harris Roofing today.
