Grant Singleton
Trusted and professional extension builder in BH6. Experienced in all extension buildering work and keeping within budget and on quote. GMS Carpent...
Sky Builders is a trusted extension builder serving customers in BH6 and the surrounding area. Contact us to today to get a competitive quote for e...
Experienced extension builder ready to quote for your work. C&M Roofing is the best extension builder in BH6. No obligation free quotes and many ha...
Richard Elemr
Elmer Building Services ltd is an established extension buildering business in BH6. We come highly recommended and provide competitive quotes for y...
Experienced extension builder ready to quote for your work. PINEVALE BUILDING is the best extension builder in BH6. No obligation free quotes and m...
We have over 20 years experience, delivering projects on time with exceptional effort into the quality of our work. Over the years we have perfecte...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in BH6. First Alpha Home Improvements Ltd is a friendly and reliable company based in BH6 who ...
Experienced extension builder ready to quote for your work. H H Builders is the best extension builder in BH6. No obligation free quotes and many h...

Building a granny annexe ranges from £86,808 (Sky Builders based in BH8) to £87,504 (Zeneli Builders based in BH23), 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 BH6 by posting a job with HaMuch. We will send it to extension builders in BH6 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Christchurch | £36 | £251 |
| Granny Annexe near Bournemouth | £38 | £257 |
| 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 - £17,563

Two storey extension - £88,095

Build a timber frame extension - £26,063

Build a swimming pool - £81,063

Single storey extension - £56,264

Side return extension - £42,211

Install an RSJ - £2,263

Outbuilding - £10,063

Build a Mansard loft conversion - £52,063

Loft conversion - £34,343

Build a kitchen extension - £42,063

Hip to gable loft conversion - £42,063

Granny annexe - £87,063

Garden office - £10,063

Convert a Garage - £16,063

Garage - £18,563

Build a flat roof extension - £22,063

Build a dormer loft conversion - £42,063

Concrete foundations - £6,313

Convert a bungalow loft - £29,063

Convert a basement - £38,211