From £87,176
Trusted and professional extension builder in Sandbanks. Experienced in all extension buildering work and keeping within budget and on quote. MDW K...
From £87,032
BIRCHES CONSTRUCTION LTD are here to help customers who need an Extension Builder in Sandbanks. We offer a competitive rate to complete all your ex...
From £86,992
Experienced extension builder ready to quote for your work. Nevil Rose is the best extension builder in Sandbanks. No obligation free quotes and ma...
From £86,576
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,216
Trusted and professional extension builder in Sandbanks. Experienced in all extension buildering work and keeping within budget and on quote. Hayes...
From £87,224
Trusted and professional extension builder in Sandbanks. Experienced in all extension buildering work and keeping within budget and on quote. WR WA...
From £87,120
Experienced extension builder ready to quote for your work. JOSCELYNE BUILDERS is the best extension builder in Sandbanks. No obligation free quote...
From £87,224
Elmer Building Services ltd is an established extension buildering business in Sandbanks. We come highly recommended and provide competitive quotes...
From £88,200
Building extensions and conversions - commercial and domesticstructural repairsgroundworksdrainage workspaving, patios and concreti...
From £86,816
Urban Projects are here to help customers who need an Extension Builder in Sandbanks. We offer a competitive rate to complete all your extension bu...

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 Sandbanks by posting a job with HaMuch. We will send it to extension builders in Sandbanks who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bournemouth | £38 | £257 |
| Granny Annexe near Poole | £38 | £250 |
| Granny Annexe near Christchurch | £36 | £251 |
| Granny Annexe near New Forest | £32 | £245 |
| Granny Annexe near Dorchester | £30 | £230 |
| Granny Annexe near Totton | £34 | £243 |
| Granny Annexe near Weymouth | £33 | £260 |
| Granny Annexe near Salisbury | £35 | £247 |
| Granny Annexe near Southampton | £34 | £243 |
| Granny Annexe 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 - £17,658

Two storey extension - £88,236

Build a timber frame extension - £26,158

Build a swimming pool - £81,158

Single storey extension - £58,152

Side return extension - £43,273

Install an RSJ - £2,358

Outbuilding - £10,158

Build a Mansard loft conversion - £52,158

Loft conversion - £35,228

Build a kitchen extension - £42,158

Hip to gable loft conversion - £42,158

Granny annexe - £87,158

Garden office - £10,158

Convert a Garage - £16,158

Garage - £18,658

Build a flat roof extension - £22,158

Build a dormer loft conversion - £42,158

Concrete foundations - £6,408

Convert a bungalow loft - £29,158

Convert a basement - £39,273