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Need an Extension Builder in Farnworth? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many y...
Homeowners look no further if you want a qualified extension builder to work in your home. T K O Kitchens & Construction are tidy and neat, providi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
G P GILMORE JOINERY T/A is an established extension buildering business in Farnworth. We come highly recommended and provide competitive quotes f...
SMH Build & Renovate is an established extension buildering business in Farnworth. We come highly recommended and provide competitive quotes for yo...
Amak Construction is an established and experienced local extension builder in Farnworth. Please contact us for a free, no obligation quote and com...
Experienced extension builder ready to quote for your work. Advanced Builders & Roofers is the best extension builder in Farnworth. No obligation f...
Relax... you have found a reliable extension builder in Farnworth. David Anderson Builders is a friendly and reliable company based in Farnworth wh...
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...
Jonathan
Need to find an Extension Builder near you for all your extension buildering work?
ESBP Specialists Ltd provides a local, trusted extension...

Outbuilding costs in Farnworth range from the cheapest of £9,584 (Amak Construction based in BL8) to the dearest of £10,016 (G P GILMORE JOINERY T/A based in M41), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Farnworth by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Farnworth | £30 | £219 |
| Outbuilding near Little Hulton | £31 | £220 |
| Outbuilding near Bolton | £31 | £219 |
| Outbuilding near Radcliffe | £30 | £220 |
| Outbuilding near Swinton | £32 | £234 |
| Outbuilding near Atherton | £31 | £223 |
| Outbuilding near Whitefield | £31 | £229 |
| Outbuilding near Westhoughton | £31 | £222 |
| Outbuilding near Eccles | £32 | £236 |
| Outbuilding near Prestwich | £31 | £233 |
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 - £17,310

Two storey extension - £87,716

Build a timber frame extension - £25,810

Build a swimming pool - £80,810

Single storey extension - £51,208

Side return extension - £39,367

Install an RSJ - £2,010

Outbuilding - £9,810

Build a Mansard loft conversion - £51,810

Loft conversion - £31,973

Build a kitchen extension - £41,810

Hip to gable loft conversion - £41,810

Granny annexe - £86,810

Garden office - £9,810

Convert a Garage - £15,810

Garage - £18,310

Build a flat roof extension - £21,810

Build a dormer loft conversion - £41,810

Concrete foundations - £6,060

Convert a bungalow loft - £28,810

Convert a basement - £35,367