From £22,064
Our building services company Gilson Construction have thirty years’ experience and have been helping customers in Kent and the surrounding area ...
From £22,040
\nMorgan and Smith was created in 2017 after seeing a gap in the market for a more personal service. Too often, we saw customers feeling disconnect...
From £21,552
Small family building business reliable friendly service and very high quality of works
From £21,056
35 years in the trade can Lay bricks plaster roofing wall and floor tiling
From £21,920
Modularr is an established and experienced local extension builder in Herne Bay. Please contact us for a free, no obligation quote and competitive ...
From £21,312
All building work , all hoyse maintenance. House extension and refurbishment works.
From £21,504
Christian Builders Margate Ltd is an established and experienced local extension builder in Herne Bay. Please contact us for a free, no obligation ...
From £21,824
Christian Builders Margate Ltd is a multi-service company founded by Nick Christian. We operate with a highly skilled team of designers, tradesmen,...
From £21,888
Trusted and professional extension builder in Herne Bay. Experienced in all extension buildering work and keeping within budget and on quote. SMB B...
From £22,032
Monarch Builders South East Ltd is an established and experienced local extension builder in Herne Bay. Please contact us for a free, no obligation...

A flat roof extension ranges from the cheapest of £21,056 (S MEGSON CONSTRUCTION based in CT5) to the dearest of £22,064 (Gilson Construction based in CT6), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Herne Bay by posting a job with HaMuch. We'll send it to extension builders in Herne Bay.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Herne Bay | £28 | £213 |
| Build A Flat Roof Extension near Whitstable | £28 | £214 |
| Build A Flat Roof Extension near Canterbury | £31 | £232 |
| Build A Flat Roof Extension near Thanet | £27 | £207 |
| Build A Flat Roof Extension near Faversham | £34 | £235 |
| Build A Flat Roof Extension near Margate | £27 | £208 |
| Build A Flat Roof Extension near Ramsgate | £27 | £208 |
| Build A Flat Roof Extension near Broadstairs | £27 | £208 |
| Build A Flat Roof Extension near Swale | £35 | £241 |
| Build A Flat Roof Extension near Deal | £26 | £199 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,219

Two storey extension - £87,579

Build a timber frame extension - £25,719

Build a swimming pool - £80,719

Single storey extension - £49,384

Side return extension - £38,341

Install an RSJ - £1,919

Outbuilding - £9,719

Build a Mansard loft conversion - £51,719

Loft conversion - £31,118

Build a kitchen extension - £41,719

Hip to gable loft conversion - £41,719

Granny annexe - £86,719

Garden office - £9,719

Convert a Garage - £15,719

Garage - £18,219

Build a flat roof extension - £21,719

Build a dormer loft conversion - £41,719

Concrete foundations - £5,969

Convert a bungalow loft - £28,719

Convert a basement - £34,341