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Need an Extension Builder in Malmesbury? R PEARCE BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £86,672
Need an Extension Builder in Malmesbury? MS BUILDING & RENOVATION LTD has been helping local clients (20 mile radius) with their extension builderi...
From £87,176
CDB Building services Ltd is a trusted extension builder serving customers in Malmesbury and the surrounding area. Contact us to today to get a com...

Building a granny annexe ranges from £86,536 (R PEARCE BUILDING based in SN15) to £87,176 (CDB Building services Ltd based in GL8), 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 Malmesbury by posting a job with HaMuch. We will send it to extension builders in Malmesbury who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Chippenham | £34 | £258 |
| Granny Annexe near Calne | £29 | £225 |
| Granny Annexe near Stroud | £33 | £249 |
| Granny Annexe near Thamesdown | £31 | £239 |
| Granny Annexe near Swindon | £31 | £238 |
| Granny Annexe near Stratton St Margaret | £32 | £238 |
| Granny Annexe near Yate | £34 | £263 |
| Granny Annexe near South Gloucestershire | £34 | £260 |
| Granny Annexe near West Wiltshire | £32 | £242 |
| Granny Annexe near North Wiltshire | £32 | £242 |
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 - £17,295

Two storey extension - £87,692

Build a timber frame extension - £25,795

Build a swimming pool - £80,795

Single storey extension - £50,893

Side return extension - £39,190

Install an RSJ - £1,995

Outbuilding - £9,795

Build a Mansard loft conversion - £51,795

Loft conversion - £31,825

Build a kitchen extension - £41,795

Hip to gable loft conversion - £41,795

Granny annexe - £86,795

Garden office - £9,795

Convert a Garage - £15,795

Garage - £18,295

Build a flat roof extension - £21,795

Build a dormer loft conversion - £41,795

Concrete foundations - £6,045

Convert a bungalow loft - £28,795

Convert a basement - £35,190