Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Frederick Head
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Joe Copperthwaite
Trusted and professional extension builder in SS9. Experienced in all extension buildering work and keeping within budget and on quote. City build....
Anglian Preservation is an established and experienced local extension builder in SS9. Please contact us for a free, no obligation quote and compet...
SMH Property Services Ltd are here to help customers who need an Extension Builder in SS9. We offer a competitive rate to complete all your extensi...
Rubik Homes Ltd is an established extension buildering business in SS9. We come highly recommended and provide competitive quotes for your work.
Livinston & Son Ltd are here to help customers who need an Extension Builder in SS9. We offer a competitive rate to complete all your extension bui...
STEVE HUGGINS BUILDING CONTRAC is an established extension buildering business in SS9. We come highly recommended and provide competitive quotes fo...
CEDAR CONSTRUCTION (UK) LTD is an established and experienced local extension builder in SS9. Please contact us for a free, no obligation quote and...

Garden offices range from the cheapest of £9,832 (Rubik Homes Ltd based in SS9) to the dearest of £11,328 (City build.com based in Ss5), 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 SS9 by posting a job with HaMuch. We'll send it to extension builders in SS9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Southend-on-Sea | £37 | £247 |
| Garden Office near Thundersley | £38 | £251 |
| Garden Office near Rayleigh | £39 | £252 |
| Garden Office near Canvey Island | £39 | £256 |
| Garden Office near Wickford | £39 | £255 |
| Garden Office near Basildon | £39 | £251 |
| Garden Office near Stanford-le-Hope | £40 | £254 |
| Garden Office near Billericay | £38 | £248 |
| Garden Office near Gillingham | £39 | £253 |
| Garden Office near Maldon | £36 | £244 |
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 - £17,632

Two storey extension - £88,198

Build a timber frame extension - £26,132

Build a swimming pool - £81,132

Single storey extension - £57,640

Side return extension - £42,985

Install an RSJ - £2,332

Outbuilding - £10,132

Build a Mansard loft conversion - £52,132

Loft conversion - £34,988

Build a kitchen extension - £42,132

Hip to gable loft conversion - £42,132

Granny annexe - £87,132

Garden office - £10,132

Convert a Garage - £16,132

Garage - £18,632

Build a flat roof extension - £22,132

Build a dormer loft conversion - £42,132

Concrete foundations - £6,382

Convert a bungalow loft - £29,132

Convert a basement - £38,985