Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in BH24? Accolade Building Care Ltd. T/A ABC has been helping local clients (20 mile radius) with their extension builder...
From £87,160
We design, build and renovate to the highest standard. Our team of revolutionaries is dedicated to realising your passion and making your vision ou...

Building a granny annexe ranges from £86,808 (ACCOLADE BUILDING CARE LIMITED based in BH24) to £87,160 (Creation Projects based in BH24), 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 BH24 by posting a job with HaMuch. We will send it to extension builders in BH24 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Christchurch | £36 | £251 |
| Granny Annexe near New Forest | £32 | £245 |
| Granny Annexe near Bournemouth | £38 | £257 |
| Granny Annexe near Poole | £38 | £250 |
| Granny Annexe near Totton | £34 | £243 |
| Granny Annexe near Salisbury | £35 | £247 |
| Granny Annexe near Romsey | £32 | £230 |
| Granny Annexe near Southampton | £34 | £243 |
| Granny Annexe near Eastleigh | £34 | £244 |
| Granny Annexe near Chandler's Ford | £34 | £245 |
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 - £17,500

Two storey extension - £88,000

Build a timber frame extension - £26,000

Build a swimming pool - £81,000

Single storey extension - £55,000

Side return extension - £41,500

Install an RSJ - £2,200

Outbuilding - £10,000

Build a Mansard loft conversion - £52,000

Loft conversion - £33,750

Build a kitchen extension - £42,000

Hip to gable loft conversion - £42,000

Granny annexe - £87,000

Garden office - £10,000

Convert a Garage - £16,000

Garage - £18,500

Build a flat roof extension - £22,000

Build a dormer loft conversion - £42,000

Concrete foundations - £6,250

Convert a bungalow loft - £29,000

Convert a basement - £37,500