From £87,000
MID Construct is an established and experienced local extension builder in Tetbury. Please contact us for a free, no obligation quote and competit...
From £86,800
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,960
Deadsmooth Plastering & Building Co is a trusted extension builder serving customers in Tetbury and the surrounding area. Contact us to today to ge...
From £86,880
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,000
L&P Developments Ltd is an established and experienced local extension builder in Tetbury. Please contact us for a free, no obligation quote and c...
From £87,184
Need to find an Extension Builder near you for all your extension buildering work?
WILSONS BUILDERS CO LTD provides a local, trusted extens...
From £86,776
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,784
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,184
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,152
Prestige Build Services LTD is a trusted extension builder serving customers in Tetbury and the surrounding area. Contact us to today to get a comp...

Building a granny annexe ranges from £86,776 (Smithys based in GL5) to £87,184 (WILSONS BUILDERS CO LTD based in GL12), 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 Tetbury by posting a job with HaMuch. We will send it to extension builders in Tetbury who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Stroud | £33 | £249 |
| Granny Annexe near Chippenham | £34 | £258 |
| Granny Annexe near Yate | £34 | £263 |
| Granny Annexe near Quedgeley | £32 | £247 |
| Granny Annexe near South Gloucestershire | £34 | £260 |
| Granny Annexe near Gloucester | £31 | £236 |
| Granny Annexe near Calne | £29 | £225 |
| Granny Annexe near Thamesdown | £38 | £239 |
| Granny Annexe near Swindon | £38 | £238 |
| Granny Annexe near Bradley Stoke | £34 | £259 |
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 - £17,472

Two storey extension - £87,958

Build a timber frame extension - £25,972

Build a swimming pool - £80,972

Single storey extension - £54,440

Side return extension - £41,185

Install an RSJ - £2,172

Outbuilding - £9,972

Build a Mansard loft conversion - £51,972

Loft conversion - £33,488

Build a kitchen extension - £41,972

Hip to gable loft conversion - £41,972

Granny annexe - £86,972

Garden office - £9,972

Convert a Garage - £15,972

Garage - £18,472

Build a flat roof extension - £21,972

Build a dormer loft conversion - £41,972

Concrete foundations - £6,222

Convert a bungalow loft - £28,972

Convert a basement - £37,185