Extension builder estimates (based on hourly rates) to build a single storey extension in SA40
Range from the cheapest single storey extension £29200 (R i daniels based in SA14) to the dearest single storey extension £40400 (SC CONSTRUCTION based in SA19).
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 SA40 by posting a job with HaMuch and we will send it to extension builders in SA40.
Estimates for common extension builder jobs in SA40;
| Job | Estimate |
| Underpinning a house | £16864 |
| Build a two storey extension | £87047 |
| Build a timber frame extension | £25364 |
| Install a swimming pool | £80364 |
| Cost to build a single storey extension | £37289 |
| Cost to build a side return extension | £30350 |
| Install an RSJ | £1564 |
| Build an outbuilding | £9364 |
| Build a mansard loft conversion | £51364 |
| Cost of a loft conversion | £27792 |
| Build a kitchen extension | £41364 |
| Build a hip to gable loft conversion | £41364 |
| Build a granny annexe | £86364 |
| Build a garden office | £9364 |
| Convert a garage | £15364 |
| Build a new garage | £17864 |
| Build a flat roof extension | £21364 |
| Build a dormer loft conversion | £41364 |
| Lay a concrete foundation | £5614 |
| Convert a bungalow loft | £28364 |
| Basement conversion cost | £30350 |
Rates for other SA40 trades
Extension Builders in SA40
| Business name | Single storey extension cost |
|---|---|
| Lippiatt Construction, Carmarthen, SA40 | £38800 |
| DERI BROWN T/A D Brown Building Services , LLANDYSUL, SA44 | £35600 |
| SC CONSTRUCTION, , SA19 | £40400 |
| SP Coupland Ltd, Sir Ceredigion, SY25 | £40400 |
| The Home Extension Company Ltd, Carmel, SA14 | £34000 |
| R i daniels, Llanelli, SA14 | £29200 |
| Norton Construction, Cardigan, Ceredigion, sa43 | £38000 |
| DRAGON CONSTRUCTION T/A, , SY25 | £38800 |
| ANTIS CONSTRUCTION, , SA14 | £40400 |