Case Study · Flat Roof Replacement

Information verified and published: 13 October 2026

Flat Roof Replacement in Balham, London

How a full flat roof replacement with a triple layer felt system stopped recurring leaks for a homeowner in Balham — completed in just three days, with a 15-year warranty.

Client

Michael Regan

Location

Balham, London

Roof type

Flat roof

Project duration

3 days

Completion date

August 2024

The problem

Michael contacted us after experiencing ongoing issues with a leaking flat roof, particularly during heavy rain. Upon inspection, we found the roof was old and had reached the point where it was beyond repair — a full replacement was the only option that would stop the leaks for good.

The goal

Stop all leaks for good and make the roof fully watertight, backed by a guarantee.

How we did it

Every re-roofing project follows the same careful process, so nothing gets missed and the finished roof is built to last.

1

Initial roof inspection and detailed estimate

We assessed the full extent of the damage and the condition of the existing roof before agreeing the scope of work.

2

Preparation and removal of damaged materials

The old roof covering was stripped back to a sound base, ready for the new system.

3

Repair of roof base and structural elements

Any weakened deck boards and structural elements were repaired before new materials went on.

4

Install new triple layer felt roof

A new triple layer felt roofing system was installed to give the roof a long-lasting, fully waterproof finish.

5

Final inspection and quality assurance

A final check confirmed the roof was fully watertight and finished to the required standard before handover.

The results

Completion time

3 days

Warranty provided

15 years

Issues resolved

Yes

A brand new roof that is now fully waterproof and leak-free — an example of our flat roof replacement services.

"Flat roof replacement"

"Excellent quality service from Luke and his team. Good communication and work undertaken very efficiently. I'd be very happy to use them again (but hopefully I won't need to!)"

— Michael Regan, SW12 0NZ · August 7th, 2024, via Checkatrade

Dealing with a leaking or worn-out flat roof?

Get a free, no-obligation survey and find out whether a repair or a full replacement is the right option for your property.

Get your free quote