From £87,000
MID Construct is an established and experienced local extension builder in Stonehouse. Please contact us for a free, no obligation quote and compe...
From £86,552
Small company .
friendly reliable service
Excellent quality of workmanship
...
From £87,000
Need an Extension Builder in Stonehouse? Philips Building Services has been helping local clients (20 mile radius) with their extension buildering ...
From £86,960
Deadsmooth Plastering & Building Co is a trusted extension builder serving customers in Stonehouse and the surrounding area. Contact us to today to...
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 Stonehouse. Please contact us for a free, no obligation quote an...
From £86,872
New Haven Construction Group Ltd is an established extension buildering business in Stonehouse. We come highly recommended and provide competitive ...
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...

Building a granny annexe ranges from £86,552 (Timtec Building Services based in HR9) 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 Stonehouse by posting a job with HaMuch. We will send it to extension builders in Stonehouse who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Stroud | £33 | £249 |
| Granny Annexe near Quedgeley | £32 | £247 |
| Granny Annexe near Gloucester | £31 | £236 |
| Granny Annexe near Cheltenham | £32 | £250 |
| Granny Annexe near Yate | £34 | £263 |
| Granny Annexe near South Gloucestershire | £34 | £260 |
| Granny Annexe near Bradley Stoke | £34 | £259 |
| Granny Annexe near Chippenham | £34 | £258 |
| Granny Annexe near Kingswood | £34 | £257 |
| Granny Annexe near Thamesdown | £38 | £239 |
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 - £17,401

Two storey extension - £87,851

Build a timber frame extension - £25,901

Build a swimming pool - £80,901

Single storey extension - £53,016

Side return extension - £40,384

Install an RSJ - £2,101

Outbuilding - £9,901

Build a Mansard loft conversion - £51,901

Loft conversion - £32,820

Build a kitchen extension - £41,901

Hip to gable loft conversion - £41,901

Granny annexe - £86,901

Garden office - £9,901

Convert a Garage - £15,901

Garage - £18,401

Build a flat roof extension - £21,901

Build a dormer loft conversion - £41,901

Concrete foundations - £6,151

Convert a bungalow loft - £28,901

Convert a basement - £36,384