John
We are a family business for 37 years experience between us reliable Team value for money check out our reviews on Google Rated People bar...
Lee Gavins
Attention to detail. Member of safe trader. Recommendations References available.
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Lancaster Building Contractors is an established and experienced local extension builder in Carnforth. Please contact us for a free, no obligation ...

Garden offices range from the cheapest of £9,600 (Lancaster Building Contractors based in LA1) to the dearest of £9,920 (JPw Property Care LTD based in LA4), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Carnforth by posting a job with HaMuch. We'll send it to extension builders in Carnforth.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Morecambe | £25 | £212 |
| Garden Office near Lancaster | £25 | £211 |
| Garden Office near Kendal | £28 | £236 |
| Garden Office near Barrow-in-Furness | £25 | £204 |
| Garden Office near Fleetwood | £28 | £206 |
| Garden Office near Thornton | £29 | £211 |
| Garden Office near Blackpool | £29 | £209 |
| Garden Office near Fulwood | £31 | £217 |
| Garden Office near Preston | £30 | £218 |
| Garden Office near Penwortham | £30 | £218 |
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 - £17,294

Two storey extension - £87,691

Build a timber frame extension - £25,794

Build a swimming pool - £80,794

Single storey extension - £50,880

Side return extension - £39,183

Install an RSJ - £1,994

Outbuilding - £9,794

Build a Mansard loft conversion - £51,794

Loft conversion - £31,819

Build a kitchen extension - £41,794

Hip to gable loft conversion - £41,794

Granny annexe - £86,794

Garden office - £9,794

Convert a Garage - £15,794

Garage - £18,294

Build a flat roof extension - £21,794

Build a dormer loft conversion - £41,794

Concrete foundations - £6,044

Convert a bungalow loft - £28,794

Convert a basement - £35,183