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Select your affordable CT5 extension builder
Simon Megson
35 years in the trade can Lay bricks plaster roofing wall and floor tiling
Daniel Hart
Small family building business reliable friendly service and very high quality of works
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 £22,064
Our building services company Gilson Construction have thirty years’ experience and have been helping customers in Kent and the surrounding area ...

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 CT5 by posting a job with HaMuch. We'll send it to extension builders in CT5.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Whitstable | £28 | £214 |
| Build A Flat Roof Extension near Herne Bay | £28 | £213 |
| Build A Flat Roof Extension near Canterbury | £31 | £232 |
| Build A Flat Roof Extension near Faversham | £34 | £235 |
| Build A Flat Roof Extension near Swale | £35 | £241 |
| Build A Flat Roof Extension near Sittingbourne | £35 | £246 |
| Build A Flat Roof Extension near Thanet | £27 | £207 |
| Build A Flat Roof Extension near Margate | £27 | £208 |
| Build A Flat Roof Extension near Ramsgate | £27 | £208 |
| Build A Flat Roof Extension near Ashford | £36 | £256 |
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 - £17,178

Two storey extension - £87,517

Build a timber frame extension - £25,678

Build a swimming pool - £80,678

Single storey extension - £48,560

Side return extension - £37,878

Install an RSJ - £1,878

Outbuilding - £9,678

Build a Mansard loft conversion - £51,678

Loft conversion - £30,731

Build a kitchen extension - £41,678

Hip to gable loft conversion - £41,678

Granny annexe - £86,678

Garden office - £9,678

Convert a Garage - £15,678

Garage - £18,178

Build a flat roof extension - £21,678

Build a dormer loft conversion - £41,678

Concrete foundations - £5,928

Convert a bungalow loft - £28,678

Convert a basement - £33,878