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Trusted and professional extension builder in BH4. Experienced in all extension buildering work and keeping within budget and on quote. Hayes Lands...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in BH4. Experienced in all extension buildering work and keeping within budget and on quote. WR WARREN B...
Experienced extension builder ready to quote for your work. C&M Roofing is the best extension builder in BH4. No obligation free quotes and many ha...
Sky Builders is a trusted extension builder serving customers in BH4 and the surrounding area. Contact us to today to get a competitive quote for e...
Experienced extension builder ready to quote for your work. JOSCELYNE BUILDERS is the best extension builder in BH4. No obligation free quotes and ...
Richard Thomas
Need an Extension Builder in BH4? RNTP ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get...
Trusted and professional extension builder in BH4. Experienced in all extension buildering work and keeping within budget and on quote. MDW KITCHEN...
Experienced extension builder ready to quote for your work. Nevil Rose is the best extension builder in BH4. No obligation free quotes and many hap...
BIRCHES CONSTRUCTION LTD are here to help customers who need an Extension Builder in BH4. We offer a competitive rate to complete all your extensio...

Garden offices range from the cheapest of £9,576 (ALWYN DOMINEY based in BH12) to the dearest of £10,584 (RNTP ltd based in BH14), 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 BH4 by posting a job with HaMuch. We'll send it to extension builders in BH4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Bournemouth | £38 | £257 |
| Garden Office near Poole | £38 | £250 |
| Garden Office near Christchurch | £36 | £251 |
| Garden Office near New Forest | £32 | £245 |
| Garden Office near Totton | £34 | £243 |
| Garden Office near Dorchester | £30 | £230 |
| Garden Office near Salisbury | £35 | £247 |
| Garden Office near Southampton | £34 | £243 |
| Garden Office near Weymouth | £33 | £260 |
| Garden Office near Romsey | £32 | £230 |
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 - £17,567

Two storey extension - £88,101

Build a timber frame extension - £26,067

Build a swimming pool - £81,067

Single storey extension - £56,344

Side return extension - £42,256

Install an RSJ - £2,267

Outbuilding - £10,067

Build a Mansard loft conversion - £52,067

Loft conversion - £34,380

Build a kitchen extension - £42,067

Hip to gable loft conversion - £42,067

Granny annexe - £87,067

Garden office - £10,067

Convert a Garage - £16,067

Garage - £18,567

Build a flat roof extension - £22,067

Build a dormer loft conversion - £42,067

Concrete foundations - £6,317

Convert a bungalow loft - £29,067

Convert a basement - £38,256