Need to find an Extension Builder near you for all your extension buildering work?
Max Sandford & San provides a local, trusted extension b...
Need to find an Extension Builder near you for all your extension buildering work?
G.I Davies & Son provides a local, trusted extension bui...

Outbuilding costs in SA31 range from the cheapest of £9,576 (G.I Davies & Son based in SA32) to the dearest of £9,616 (Max Sandford & San based in SA31), 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 SA31 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Carmarthen | £26 | £205 |
| Outbuilding near Carmarthenshire | £26 | £205 |
| Outbuilding near Llanelli | £29 | £231 |
| Outbuilding near Gorseinon | £29 | £228 |
| Outbuilding near Swansea | £29 | £229 |
| Outbuilding near Neath | £30 | £225 |
| Outbuilding near Neath Port Talbot | £31 | £224 |
| Outbuilding near Pembrokeshire | £19 | £163 |
| Outbuilding near Port Talbot | £31 | £227 |
| Outbuilding near Milford Haven | £18 | £159 |
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 - £17,096

Two storey extension - £87,394

Build a timber frame extension - £25,596

Build a swimming pool - £80,596

Single storey extension - £46,920

Side return extension - £36,955

Install an RSJ - £1,796

Outbuilding - £9,596

Build a Mansard loft conversion - £51,596

Loft conversion - £29,963

Build a kitchen extension - £41,596

Hip to gable loft conversion - £41,596

Granny annexe - £86,596

Garden office - £9,596

Convert a Garage - £15,596

Garage - £18,096

Build a flat roof extension - £21,596

Build a dormer loft conversion - £41,596

Concrete foundations - £5,846

Convert a bungalow loft - £28,596

Convert a basement - £32,955