From £22,096
MRP Design And Build Limited is an established extension buildering business in S2. We come highly recommended and provide competitive quotes for y...
From £22,168
Milestone Builders is an established extension buildering business in S2. We come highly recommended and provide competitive quotes for your work.<...
From £22,312
Whitshaw Builders LTD is an established and experienced local extension builder in S2. Please contact us for a free, no obligation quote and compet...
From £21,880
Home Hero is a trusted extension builder serving customers in S2 and the surrounding area. Contact us to today to get a competitive quote for exten...
From £22,160
Sheffield basedFamily run businessBuilt on recommendationFollow our journey
From £22,344
Trusted and professional extension builder in S2. Experienced in all extension buildering work and keeping within budget and on quote. AMB Joinery ...
From £22,344
Need to find an Extension Builder near you for all your extension buildering work?
JHM Property Services Ltd provides a local, trusted exte...
From £22,072
Need an Extension Builder in S2? Cortworth Millhouse Design & Build has been helping local clients (20 mile radius) with their extension buildering...
From £21,936
Dore Decor are a family run business with over 30 years experience - we offer an extensive range of building services and are able to provide a ful...
From £22,336
Blenheim Park Developments is an established and experienced local extension builder in S2. Please contact us for a free, no obligation quote and c...

A flat roof extension ranges from the cheapest of £21,880 (Home Hero based in S1) to the dearest of £22,344 (AMB Joinery & Building Services based in S8), 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 S2 by posting a job with HaMuch. We'll send it to extension builders in S2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Sheffield | £34 | £280 |
| Build A Flat Roof Extension near Dronfield | £35 | £288 |
| Build A Flat Roof Extension near Rotherham | £33 | £257 |
| Build A Flat Roof Extension near Wickersley | £33 | £257 |
| Build A Flat Roof Extension near Chesterfield | £33 | £257 |
| Build A Flat Roof Extension near Barnsley | £31 | £242 |
| Build A Flat Roof Extension near Worksop | £33 | £265 |
| Build A Flat Roof Extension near Doncaster | £29 | £238 |
| Build A Flat Roof Extension near Mansfield Woodhouse | £33 | £263 |
| Build A Flat Roof Extension near Sutton-in-Ashfield | £33 | £265 |
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 - £17,665

Two storey extension - £88,247

Build a timber frame extension - £26,165

Build a swimming pool - £81,165

Single storey extension - £58,296

Side return extension - £43,354

Install an RSJ - £2,365

Outbuilding - £10,165

Build a Mansard loft conversion - £52,165

Loft conversion - £35,295

Build a kitchen extension - £42,165

Hip to gable loft conversion - £42,165

Granny annexe - £87,165

Garden office - £10,165

Convert a Garage - £16,165

Garage - £18,665

Build a flat roof extension - £22,165

Build a dormer loft conversion - £42,165

Concrete foundations - £6,415

Convert a bungalow loft - £29,165

Convert a basement - £39,354