Trusted and professional extension builder in Chesterfield. Experienced in all extension buildering work and keeping within budget and on quote. MG...
Andrew Field
We are a family run business with 20 years experience.
We take great care and attention to the work we carry out and pride ourselves on ...
Chesterfield, S40
Trusted and professional extension builder in Chesterfield. Experienced in all extension buildering work and keeping within budget and on quote. Me...
R.J Building Services is an established extension buildering business in Chesterfield. We come highly recommended and provide competitive quotes fo...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Here at AEC Building Services, we've been improving homes for local residential customers in Chesterfield, Derbyshire and surrounding areas since 1...
Need an Extension Builder in Chesterfield? D H Builders has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
Welcome to the homepage of Prestige Contract Services (Midlands) LTD, a friendly, family run construction company based in Shirland, Derbyshire. Ou...
Camo Bear Construction is a local building contractor based in Wingerworth, Chesterfield. We cover many areas across Derbyshire, South Yorkshire an...

A flat roof extension ranges from the cheapest of £21,288 (JON WINDLE CONSTRUCTION based in S17) to the dearest of £22,296 (Peter Knowles based in DE55), 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 Chesterfield by posting a job with HaMuch. We'll send it to extension builders in Chesterfield.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Chesterfield | £33 | £257 |
| Build A Flat Roof Extension near Dronfield | £33 | £262 |
| Build A Flat Roof Extension near Alfreton | £34 | £261 |
| Build A Flat Roof Extension near Sheffield | £32 | £261 |
| Build A Flat Roof Extension near Sutton-in-Ashfield | £33 | £264 |
| Build A Flat Roof Extension near Mansfield Woodhouse | £33 | £262 |
| Build A Flat Roof Extension near Kirkby-in-Ashfield | £34 | £269 |
| Build A Flat Roof Extension near Ashfield | £34 | £269 |
| Build A Flat Roof Extension near Mansfield | £33 | £261 |
| Build A Flat Roof Extension near Worksop | £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 - £17,477

Two storey extension - £87,965

Build a timber frame extension - £25,977

Build a swimming pool - £80,977

Single storey extension - £54,536

Side return extension - £41,239

Install an RSJ - £2,177

Outbuilding - £9,977

Build a Mansard loft conversion - £51,977

Loft conversion - £33,533

Build a kitchen extension - £41,977

Hip to gable loft conversion - £41,977

Granny annexe - £86,977

Garden office - £9,977

Convert a Garage - £15,977

Garage - £18,477

Build a flat roof extension - £21,977

Build a dormer loft conversion - £41,977

Concrete foundations - £6,227

Convert a bungalow loft - £28,977

Convert a basement - £37,239