From £44,070
Need an Extension Builder in SO41? RNTP ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Ge...
From £39,120
We are a small family run business with over 20 years experience in brickwork, bathroom/kitchen fitting, roofing, landscaping, fencing, tiling and ...
From £37,680
Trusted and professional extension builder in SO41. Experienced in all extension buildering work and keeping within budget and on quote. GMS Carpen...
From £39,480
Trusted and professional extension builder in SO41. Experienced in all extension buildering work and keeping within budget and on quote. MDW KITCHE...
From £37,410
Experienced extension builder ready to quote for your work. Nevil Rose is the best extension builder in SO41. No obligation free quotes and many ha...
From £32,730
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £37,860
BIRCHES CONSTRUCTION LTD are here to help customers who need an Extension Builder in SO41. We offer a competitive rate to complete all your extensi...
From £39,930
Trusted and professional extension builder in SO41. Experienced in all extension buildering work and keeping within budget and on quote. Hayes Land...
From £40,020
Trusted and professional extension builder in SO41. Experienced in all extension buildering work and keeping within budget and on quote. WR WARREN ...
From £38,850
Experienced extension builder ready to quote for your work. JOSCELYNE BUILDERS is the best extension builder in SO41. No obligation free quotes and...

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 SO41 by posting a job with HaMuch and we will send it to extension builders in SO41.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Christchurch | £36 | £251 |
| Convert A Basement near New Forest | £32 | £245 |
| Convert A Basement near Totton | £34 | £243 |
| Convert A Basement near Isle of Wight | £34 | £246 |
| Convert A Basement near Southampton | £34 | £243 |
| Convert A Basement near Bournemouth | £38 | £257 |
| Convert A Basement near Locks Heath | £33 | £240 |
| Convert A Basement near Hedge End | £34 | £244 |
| Convert A Basement near Lee-on-the-Solent | £35 | £249 |
| Convert A Basement near Romsey | £32 | £230 |
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 - £17,608

Two storey extension - £88,162

Build a timber frame extension - £26,108

Build a swimming pool - £81,108

Single storey extension - £57,160

Side return extension - £42,715

Install an RSJ - £2,308

Outbuilding - £10,108

Build a Mansard loft conversion - £52,108

Loft conversion - £34,763

Build a kitchen extension - £42,108

Hip to gable loft conversion - £42,108

Granny annexe - £87,108

Garden office - £10,108

Convert a Garage - £16,108

Garage - £18,608

Build a flat roof extension - £22,108

Build a dormer loft conversion - £42,108

Concrete foundations - £6,358

Convert a bungalow loft - £29,108

Convert a basement - £38,715