From £34,170
Need to find an Extension Builder near you for all your extension buildering work?
NJD Joinery provides a local, trusted extension builderi...
From £37,320
Trusted and professional extension builder in WN6. Experienced in all extension buildering work and keeping within budget and on quote. JCR Constru...
From £28,590
Need an Extension Builder in WN6? MND Building Services Ltd has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £34,980
Relax... you have found a reliable extension builder in WN6. Jc Properties is a friendly and reliable company based in WN6 who consider no job as t...
From £33,000
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £34,980
Trusted and professional extension builder in WN6. Experienced in all extension buildering work and keeping within budget and on quote. Holden Reno...
From £37,770
Our passion at Holden Renovations is to modernising tired spaces with exciting materials and different colours and to create unique results every t...
From £34,350
Direct Building Services is an established and experienced local extension builder in WN6. Please contact us for a free, no obligation quote and co...
From £35,250
Higher End Construction Limited is an established extension buildering business in WN6. We come highly recommended and provide competitive quotes f...
From £33,990
Experienced extension builder ready to quote for your work. BURGHWOOD CONSTRUCTION LTD is the best extension builder in WN6. No obligation free quo...

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 WN6 by posting a job with HaMuch and we will send it to extension builders in WN6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Wigan | £30 | £219 |
| Convert A Basement near Orrell | £29 | £214 |
| Convert A Basement near Skelmersdale | £29 | £211 |
| Convert A Basement near Hindley | £30 | £220 |
| Convert A Basement near Horwich | £31 | £220 |
| Convert A Basement near Ashton-in-Makerfield | £30 | £220 |
| Convert A Basement near Westhoughton | £31 | £223 |
| Convert A Basement near Chorley | £31 | £222 |
| Convert A Basement near Golborne | £30 | £222 |
| Convert A Basement near West Lancashire | £28 | £203 |
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 - £17,228

Two storey extension - £87,592

Build a timber frame extension - £25,728

Build a swimming pool - £80,728

Single storey extension - £49,560

Side return extension - £38,440

Install an RSJ - £1,928

Outbuilding - £9,728

Build a Mansard loft conversion - £51,728

Loft conversion - £31,200

Build a kitchen extension - £41,728

Hip to gable loft conversion - £41,728

Granny annexe - £86,728

Garden office - £9,728

Convert a Garage - £15,728

Garage - £18,228

Build a flat roof extension - £21,728

Build a dormer loft conversion - £41,728

Concrete foundations - £5,978

Convert a bungalow loft - £28,728

Convert a basement - £34,440