From £34,350
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
From £35,160
Our building services company Compass Property Renovations (North West) Ltd was established in 2000. Since then we have been helping customers in W...
From £35,970
Need to find an Extension Builder near you for all your extension buildering work?
Maintenance Point provides a local, trusted extension bu...
From £34,530
Need an Extension Builder in WA3? Space for Edit has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
From £35,250
Need to find an Extension Builder near you for all your extension buildering work?
J R Building Services provides a local, trusted extensio...
From £33,540
Trusted and professional extension builder in WA3. Experienced in all extension buildering work and keeping within budget and on quote. HPH Improvm...
From £38,400
Rdh Property Services is an established and experienced local extension builder in WA3. Please contact us for a free, no obligation quote and compe...
From £37,500
SBA Facilities is a family run business founded by Director, Josef who has over 25 years of experience with the corporate, commercial, and domestic...
From £34,080
Welcome to Space Design & Build a building company based in Warrington.With nearly 40 years combined experience in the industry Space Design & Buil...
From £33,720
Trusted and professional extension builder in WA3. Experienced in all extension buildering work and keeping within budget and on quote. I Wright Bu...

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 WA3 by posting a job with HaMuch and we will send it to extension builders in WA3.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Golborne | £30 | £222 |
| Convert A Basement near Leigh | £31 | £224 |
| Convert A Basement near Newton-le-Willows | £31 | £221 |
| Convert A Basement near Ashton-in-Makerfield | £30 | £220 |
| Convert A Basement near Warrington | £31 | £222 |
| Convert A Basement near Irlam | £32 | £225 |
| Convert A Basement near Atherton | £31 | £223 |
| Convert A Basement near Hindley | £30 | £218 |
| Convert A Basement near Westhoughton | £31 | £222 |
| Convert A Basement near Wigan | £30 | £219 |
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 - £17,300

Two storey extension - £87,700

Build a timber frame extension - £25,800

Build a swimming pool - £80,800

Single storey extension - £51,000

Side return extension - £39,250

Install an RSJ - £2,000

Outbuilding - £9,800

Build a Mansard loft conversion - £51,800

Loft conversion - £31,875

Build a kitchen extension - £41,800

Hip to gable loft conversion - £41,800

Granny annexe - £86,800

Garden office - £9,800

Convert a Garage - £15,800

Garage - £18,300

Build a flat roof extension - £21,800

Build a dormer loft conversion - £41,800

Concrete foundations - £6,050

Convert a bungalow loft - £28,800

Convert a basement - £35,250