From £9,608
Trusted and professional extension builder in WA11. Experienced in all extension buildering work and keeping within budget and on quote. M L R Buil...
From £9,664
Need an Extension Builder in WA11? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
From £9,224
MJ Barker & Son is an established extension buildering business in WA11. We come highly recommended and provide competitive quotes for your work.
From £9,872
G. Finnigan Builders is an established extension buildering business in WA11. We come highly recommended and provide competitive quotes for your wo...
From £9,800
Higher End Construction Limited is an established extension buildering business in WA11. We come highly recommended and provide competitive quotes ...
From £9,800
Need to find an Extension Builder near you for all your extension buildering work?
J R Building Services provides a local, trusted extensio...
From £9,864
Need to find an Extension Builder near you for all your extension buildering work?
Maintenance Point provides a local, trusted extension bu...
From £9,600
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,896
HIGHTOWN CONSTRUCTION LTD is an established extension buildering business in WA11. We come highly recommended and provide competitive quotes for yo...
From £9,720
Direct Building Services is an established and experienced local extension builder in WA11. Please contact us for a free, no obligation quote and c...

Garden offices range from the cheapest of £9,224 (MJ Barker & Son based in WA11) to the dearest of £9,896 (HIGHTOWN CONSTRUCTION LTD based in L34), 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 WA11 by posting a job with HaMuch. We'll send it to extension builders in WA11.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near St Helens | £31 | £224 |
| Garden Office near Ashton-in-Makerfield | £30 | £220 |
| Garden Office near Newton-le-Willows | £31 | £221 |
| Garden Office near Orrell | £29 | £214 |
| Garden Office near Prescot | £33 | £239 |
| Garden Office near Golborne | £30 | £222 |
| Garden Office near Knowsley | £32 | £236 |
| Garden Office near Skelmersdale | £29 | £211 |
| Garden Office near Wigan | £30 | £219 |
| Garden Office near Huyton with Roby | £33 | £240 |
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 - £17,205

Two storey extension - £87,557

Build a timber frame extension - £25,705

Build a swimming pool - £80,705

Single storey extension - £49,096

Side return extension - £38,179

Install an RSJ - £1,905

Outbuilding - £9,705

Build a Mansard loft conversion - £51,705

Loft conversion - £30,983

Build a kitchen extension - £41,705

Hip to gable loft conversion - £41,705

Granny annexe - £86,705

Garden office - £9,705

Convert a Garage - £15,705

Garage - £18,205

Build a flat roof extension - £21,705

Build a dormer loft conversion - £41,705

Concrete foundations - £5,955

Convert a bungalow loft - £28,705

Convert a basement - £34,179