Extension builder estimates (based on hourly rates) to build a single storey extension in SA48
Range from the cheapest single storey extension £35600 (DERI BROWN T/A D Brown Building Services based in SA44) to the dearest single storey extension £40400 (SP Coupland Ltd based in SY25).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in SA48 by posting a job with HaMuch and we will send it to extension builders in SA48.
Estimates for common extension builder jobs in SA48;
| Job | Estimate |
| Underpinning a house | £16940 |
| Build a two storey extension | £87160 |
| Build a timber frame extension | £25440 |
| Install a swimming pool | £80440 |
| Cost to build a single storey extension | £38800 |
| Cost to build a side return extension | £31200 |
| Install an RSJ | £1640 |
| Build an outbuilding | £9440 |
| Build a mansard loft conversion | £51440 |
| Cost of a loft conversion | £28500 |
| Build a kitchen extension | £41440 |
| Build a hip to gable loft conversion | £41440 |
| Build a granny annexe | £86440 |
| Build a garden office | £9440 |
| Convert a garage | £15440 |
| Build a new garage | £17940 |
| Build a flat roof extension | £21440 |
| Build a dormer loft conversion | £41440 |
| Lay a concrete foundation | £5690 |
| Convert a bungalow loft | £28440 |
| Basement conversion cost | £31200 |
Rates for other SA48 trades
Extension Builders in SA48
| Business name | Single storey extension cost |
|---|---|
| Lippiatt Construction, Carmarthen, SA40 | £38800 |
| SP Coupland Ltd, Sir Ceredigion, SY25 | £40400 |
| DERI BROWN T/A D Brown Building Services , LLANDYSUL, SA44 | £35600 |
| DRAGON CONSTRUCTION T/A, , SY25 | £38800 |
| SC CONSTRUCTION, , SA19 | £40400 |