From £37,590
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 ...
From £41,640
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £37,140
Trusted and professional extension builder in S18. Experienced in all extension buildering work and keeping within budget and on quote. R S Heating...
From £41,910
Peak Roofclean offer an inexpensive way of permanently keeping your roof free of moss, lichens and algae. Not only is it 100% effective but...
From £41,280
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £35,880
C ROWLEY (SELFBUILD) is an established and experienced local extension builder in S18. Please contact us for a free, no obligation quote and compet...
From £38,310
Need an Extension Builder in S18? Cortworth Millhouse Design & Build has been helping local clients (20 mile radius) with their extension builderin...
From £36,780
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 £41,370
Need to find an Extension Builder near you for all your extension buildering work?
JHM Property Services Ltd provides a local, trusted exte...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in S18 by posting a job with HaMuch and we will send it to extension builders in S18.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Dronfield | £35 | £288 |
| Convert A Basement near Chesterfield | £33 | £257 |
| Convert A Basement near Sheffield | £34 | £280 |
| Convert A Basement near Rotherham | £33 | £257 |
| Convert A Basement near Wickersley | £33 | £257 |
| Convert A Basement near Worksop | £33 | £265 |
| Convert A Basement near Alfreton | £34 | £261 |
| Convert A Basement near Sutton-in-Ashfield | £33 | £265 |
| Convert A Basement near Mansfield Woodhouse | £33 | £263 |
| Convert A Basement near Kirkby-in-Ashfield | £34 | £270 |
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 - £17,557

Two storey extension - £88,085

Build a timber frame extension - £26,057

Build a swimming pool - £81,057

Single storey extension - £56,136

Side return extension - £42,139

Install an RSJ - £2,257

Outbuilding - £10,057

Build a Mansard loft conversion - £52,057

Loft conversion - £34,283

Build a kitchen extension - £42,057

Hip to gable loft conversion - £42,057

Granny annexe - £87,057

Garden office - £10,057

Convert a Garage - £16,057

Garage - £18,557

Build a flat roof extension - £22,057

Build a dormer loft conversion - £42,057

Concrete foundations - £6,307

Convert a bungalow loft - £29,057

Convert a basement - £38,139