STEVE MULVANEY BUILDING are here to help customers who need an Extension Builder in SR7. We offer a competitive rate to complete all your extension...
From £22,104
A Kendal Builders (N/E) Limited is an established and experienced local extension builder in SR7. Please contact us for a free, no obligation quote...

A flat roof extension ranges from the cheapest of £21,912 (STEVE MULVANEY BUILDING based in SR2) to the dearest of £22,104 (A Kendal Builders (N/E) Limited based in SR3), 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 SR7 by posting a job with HaMuch. We'll send it to extension builders in SR7.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Seaham | £35 | £235 |
| Build A Flat Roof Extension near Peterlee | £36 | £230 |
| Build A Flat Roof Extension near Sunderland | £33 | £251 |
| Build A Flat Roof Extension near Washington | £33 | £254 |
| Build A Flat Roof Extension near Durham | £47 | £267 |
| Build A Flat Roof Extension near Chester-le-Street | £35 | £242 |
| Build A Flat Roof Extension near South Tyneside | £34 | £261 |
| Build A Flat Roof Extension near Jarrow | £34 | £262 |
| Build A Flat Roof Extension near Hartlepool | £40 | £236 |
| Build A Flat Roof Extension near South Shields | £36 | £257 |
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 - £17,508

Two storey extension - £88,012

Build a timber frame extension - £26,008

Build a swimming pool - £81,008

Single storey extension - £55,160

Side return extension - £41,590

Install an RSJ - £2,208

Outbuilding - £10,008

Build a Mansard loft conversion - £52,008

Loft conversion - £33,825

Build a kitchen extension - £42,008

Hip to gable loft conversion - £42,008

Granny annexe - £87,008

Garden office - £10,008

Convert a Garage - £16,008

Garage - £18,508

Build a flat roof extension - £22,008

Build a dormer loft conversion - £42,008

Concrete foundations - £6,258

Convert a bungalow loft - £29,008

Convert a basement - £37,590