From £34,800
CJ Construction are here to help customers who need an Extension Builder in WA9. We offer a competitive rate to complete all your extension builder...
From £33,090
Relax... you have found a reliable extension builder in WA9. R A C Gas is a friendly and reliable company based in WA9 who consider no job as too b...
From £32,460
Liverpool Builder is an established extension buildering business in WA9. We come highly recommended and provide competitive quotes for your work.<...
From £33,810
J.M.C Building Services is a trusted extension builder serving customers in WA9 and the surrounding area. Contact us to today to get a competitive ...
From £34,170
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £34,890
Relax... you have found a reliable extension builder in WA9. KM Building Services is a friendly and reliable company based in WA9 who consider no j...
From £31,560
Trusted and professional extension builder in WA9. Experienced in all extension buildering work and keeping within budget and on quote. Jones Lands...
From £37,230
Nathan Thomas Plumbing is an established extension buildering business in WA9. We come highly recommended and provide competitive quotes for your w...
From £34,980
Relax... you have found a reliable extension builder in WA9. David Anderson Builders is a friendly and reliable company based in WA9 who consider n...
From £35,160
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...

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 WA9 by posting a job with HaMuch and we will send it to extension builders in WA9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near St Helens | £31 | £224 |
| Convert A Basement near Newton-le-Willows | £31 | £221 |
| Convert A Basement near Prescot | £31 | £223 |
| Convert A Basement near Knowsley | £31 | £222 |
| Convert A Basement near Widnes | £31 | £220 |
| Convert A Basement near Huyton with Roby | £31 | £225 |
| Convert A Basement near Ashton-in-Makerfield | £30 | £220 |
| Convert A Basement near Halton | £31 | £220 |
| Convert A Basement near Golborne | £30 | £222 |
| Convert A Basement near Warrington | £31 | £222 |
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 - £17,208

Two storey extension - £87,562

Build a timber frame extension - £25,708

Build a swimming pool - £80,708

Single storey extension - £49,160

Side return extension - £38,215

Install an RSJ - £1,908

Outbuilding - £9,708

Build a Mansard loft conversion - £51,708

Loft conversion - £31,013

Build a kitchen extension - £41,708

Hip to gable loft conversion - £41,708

Granny annexe - £86,708

Garden office - £9,708

Convert a Garage - £15,708

Garage - £18,208

Build a flat roof extension - £21,708

Build a dormer loft conversion - £41,708

Concrete foundations - £5,958

Convert a bungalow loft - £28,708

Convert a basement - £34,215