Stag Design & Build is the ultimate package for your Extension, New Build, Renovations and all other aspects involving the construction industry, d...
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M J LLEWLLYN BUILDING SERVICES provides a local, trusted...

Outbuilding costs in GL12 range from the cheapest of £9,904 (M J LLEWLLYN BUILDING SERVICES based in GL12) to the dearest of £10,096 (STAG Design & Build Ltd based in GL12), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in GL12 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Yate | £34 | £263 |
| Outbuilding near South Gloucestershire | £34 | £260 |
| Outbuilding near Bradley Stoke | £34 | £259 |
| Outbuilding near Stroud | £33 | £249 |
| Outbuilding near Kingswood | £34 | £257 |
| Outbuilding near Chippenham | £34 | £258 |
| Outbuilding near Quedgeley | £31 | £247 |
| Outbuilding near Bristol | £33 | £255 |
| Outbuilding near Clifton | £33 | £255 |
| Outbuilding near Keynsham | £33 | £251 |
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