From £87,336
A complete building service based in the Isle of Purbeck, Dorset. Campbell Clarke Construction are an established, experienced and trusted building...
From £87,040
Experienced extension builder ready to quote for your work. ALUM CHINE BUILDERS is the best extension builder in Wareham. No obligation free quotes...
From £87,168
H?KON Ltd. is an established and experienced local extension builder in Wareham. Please contact us for a free, no obligation quote and competitive ...
From £87,128
Dorset Stove Installations Ltd is a trusted extension builder serving customers in Wareham and the surrounding area. Contact us to today to get a c...
From £87,008
DJ HALE BUILDING CONTRACTORS is a trusted extension builder serving customers in Wareham and the surrounding area. Contact us to today to get a com...
From £87,024
Now based in South West England, Number 39 specialises in residential design & build, commercial and hospitality design, master planning, technical...
From £87,288
Experienced extension builder ready to quote for your work. Portus Homes is the best extension builder in Wareham. No obligation free quotes and ma...
From £87,064
Need an Extension Builder in Wareham? D&B Build has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £87,120
Ground Up Building Services Ltd is a trusted extension builder serving customers in Wareham and the surrounding area. Contact us to today to get a ...
From £86,792
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £86,792 (SPEARHEAD DESIGN & BUILD LTD based in BH16) to £87,336 (Campbell Clarke Construction LTD based in BH20), 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 Wareham by posting a job with HaMuch. We will send it to extension builders in Wareham who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Poole | £38 | £250 |
| Granny Annexe near Bournemouth | £38 | £257 |
| Granny Annexe near Dorchester | £30 | £230 |
| Granny Annexe near Weymouth | £33 | £260 |
| Granny Annexe near Christchurch | £36 | £251 |
| Granny Annexe near New Forest | £32 | £245 |
| Granny Annexe near Yeovil | £34 | £294 |
| Granny Annexe near Salisbury | £35 | £247 |
| Granny Annexe near Totton | £34 | £243 |
| Granny Annexe near South Somerset | £62 | £270 |
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 - £17,597

Two storey extension - £88,145

Build a timber frame extension - £26,097

Build a swimming pool - £81,097

Single storey extension - £56,936

Side return extension - £42,589

Install an RSJ - £2,297

Outbuilding - £10,097

Build a Mansard loft conversion - £52,097

Loft conversion - £34,658

Build a kitchen extension - £42,097

Hip to gable loft conversion - £42,097

Granny annexe - £87,097

Garden office - £10,097

Convert a Garage - £16,097

Garage - £18,597

Build a flat roof extension - £22,097

Build a dormer loft conversion - £42,097

Concrete foundations - £6,347

Convert a bungalow loft - £29,097

Convert a basement - £38,589