Flat Roofing in Richmond upon Thames

Richmond upon Thames at a glance

Postcode districts: TW1, TW2, TW10, TW11, TW9, TW12
Council area: London Borough of Richmond upon Thames
Building approval: London Borough of Richmond upon Thames building control, or a registered building control approver
Guide price region: London (+20% on West Midlands rates)

What flat roof work do we do in Richmond upon Thames?

Flat roof repairs

Buying or selling a property in Richmond upon Thames with a tired flat roof? A surveyor's report may flag damp, blistering or ponding. A targeted repair can deal with an isolated defect, and where the roof is near the end of its life we will explain that clearly so the cost can be planned.

Garage roofs

Water from a failing garage roof in Richmond upon Thames does not always stay in the garage. On an attached garage it can run down the house wall or track under the flashing, and a blocked or broken gutter can spill onto the drive or a neighbour's property. Replacing the roof deals with the source.

Extension and kitchen roofs

Selling a house in Richmond upon Thames with a tired extension roof can raise questions in the buyer's survey. A recent replacement, with building control sign-off where needed and written guarantees, gives a buyer confidence and removes a likely point of negotiation.

All flat roof services in Richmond upon Thames:

How much does a flat roof cost in Richmond upon Thames?

Guide prices at London rates including VAT. New and replacement roofs get a fixed price after a free survey; repair prices are confirmed once we've found the problem.

Job	Guide price inc VAT
Dormer (8 m²), GRP, scaffold	£1,700–£3,200
Extension (20 m²), GRP, new deck + insulation	£3,600–£6,450
Porch or bay (4 m²), EPDM	£900–£1,500
Single garage (18 m²), torch-on felt	£1,800–£3,150
Single garage (18 m²), GRP fibreglass	£2,150–£3,900

What flat roofs are typical in and around Richmond upon Thames?

In a town like Richmond upon Thames flat roofs are mostly on kitchen extensions and roof terraces behind period houses and mansion blocks and purpose-built flats with large flat roofs. Rain and wind decide how a flat roof is detailed. The Thames basin is one of the drier parts of Britain at roughly 730 mm of rain a year, but summer heat is the bigger test here: dark membranes on south-facing roofs swing a long way in temperature. Approximate 1991–2020 regional averages based on Met Office data.

Who approves flat roof work in Richmond upon Thames?

Where approval is needed it goes to London Borough of Richmond upon Thames building control, or a registered building control approver. Replacing more than half of a roof over a heated room usually counts as renovating a thermal element, so it is insulated to current standards and notified to building control. How the rules work.

Which places near Richmond upon Thames do we cover?