Mark Wadeson
Building extensions and conversions - commercial and domesticstructural repairsgroundworksdrainage workspaving, patios and concreti...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
J.V MARSTON BUILDERS provides a local, trusted extension...
Trusted and professional extension builder in Boscombe. Experienced in all extension buildering work and keeping within budget and on quote. WR WAR...
Trusted and professional extension builder in Boscombe. Experienced in all extension buildering work and keeping within budget and on quote. Hayes ...
Sky Builders is a trusted extension builder serving customers in Boscombe and the surrounding area. Contact us to today to get a competitive quote ...
Experienced extension builder ready to quote for your work. C&M Roofing is the best extension builder in Boscombe. No obligation free quotes and ma...
Experienced extension builder ready to quote for your work. JOSCELYNE BUILDERS is the best extension builder in Boscombe. No obligation free quotes...
Richard Thomas
Need an Extension Builder in Boscombe? RNTP ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many years...

Building a granny annexe ranges from £86,576 (ALWYN DOMINEY based in BH12) to £88,200 (Wade and Son Builders based in bh22), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Boscombe by posting a job with HaMuch. We will send it to extension builders in Boscombe who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bournemouth | £38 | £257 |
| Granny Annexe near Christchurch | £36 | £251 |
| Granny Annexe near Poole | £38 | £250 |
| Granny Annexe near New Forest | £32 | £245 |
| Granny Annexe near Totton | £34 | £243 |
| Granny Annexe near Southampton | £34 | £243 |
| Granny Annexe near Isle of Wight | £34 | £246 |
| Granny Annexe near Romsey | £32 | £230 |
| Granny Annexe near Salisbury | £35 | £247 |
| Granny Annexe near Locks Heath | £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 - £17,734

Two storey extension - £88,350

Build a timber frame extension - £26,234

Build a swimming pool - £81,234

Single storey extension - £59,672

Side return extension - £44,128

Install an RSJ - £2,434

Outbuilding - £10,234

Build a Mansard loft conversion - £52,234

Loft conversion - £35,940

Build a kitchen extension - £42,234

Hip to gable loft conversion - £42,234

Granny annexe - £87,234

Garden office - £10,234

Convert a Garage - £16,234

Garage - £18,734

Build a flat roof extension - £22,234

Build a dormer loft conversion - £42,234

Concrete foundations - £6,484

Convert a bungalow loft - £29,234

Convert a basement - £40,128