From £9,896
Need to find an Extension Builder near you for all your extension buildering work?
J.L Noblet provides a local, trusted extension builderin...
From £9,704
Experienced extension builder ready to quote for your work. DB Joinery & Building Contractors Ltd is the best extension builder in Penwortham. No ...
From £9,904
Our building services company NPD Builders have thirty years’ experience and have been helping customers in Preston and the surrounding area by p...
From £9,832
Need an Extension Builder in Penwortham? John Towers Builders has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £9,824
Relax... you have found a reliable extension builder in Penwortham. Wilson Design & Build is a friendly and reliable company based in Penwortham wh...
From £9,688
Wilson Design & Build is a full service Construction Company dedicated to building and improving residential and commercial structures according to...
From £9,760
Our building services company J&B Developments are a small family run business who are trustworthy and reliable and have over twelve years of exper...
From £9,616
JS Brickwork are here to help customers who need an Extension Builder in Penwortham. We offer a competitive rate to complete all your extension bui...
From £9,552
Comprehensive Property Services is an established and experienced local extension builder in Penwortham. Please contact us for a free, no obligatio...
From £9,728
Need to find an Extension Builder near you for all your extension buildering work?
Bond Joinery & Building provides a local, trusted extens...

Garden offices range from the cheapest of £9,552 (Comprehensive Property Services based in PR1) to the dearest of £9,904 (NPD Builders based in PR2), 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 Penwortham by posting a job with HaMuch. We'll send it to extension builders in Penwortham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Penwortham | £30 | £218 |
| Garden Office near Preston | £30 | £218 |
| Garden Office near Fulwood | £31 | £217 |
| Garden Office near Bamber Bridge | £30 | £216 |
| Garden Office near Leyland | £30 | £223 |
| Garden Office near Chorley | £30 | £221 |
| Garden Office near Blackburn | £33 | £246 |
| Garden Office near Darwen | £34 | £253 |
| Garden Office near Lytham St Annes | £28 | £206 |
| Garden Office near Blackpool | £29 | £209 |
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 - £17,250

Two storey extension - £87,626

Build a timber frame extension - £25,750

Build a swimming pool - £80,750

Single storey extension - £50,008

Side return extension - £38,692

Install an RSJ - £1,950

Outbuilding - £9,750

Build a Mansard loft conversion - £51,750

Loft conversion - £31,410

Build a kitchen extension - £41,750

Hip to gable loft conversion - £41,750

Granny annexe - £86,750

Garden office - £9,750

Convert a Garage - £15,750

Garage - £18,250

Build a flat roof extension - £21,750

Build a dormer loft conversion - £41,750

Concrete foundations - £6,000

Convert a bungalow loft - £28,750

Convert a basement - £34,692