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 SA47 by posting a job with HaMuch and we will send it to extension builders in SA47.
Job | Estimate |
Underpinning a house | £16916 |
Build a two storey extension | £87124 |
Build a timber frame extension | £25416 |
Install a swimming pool | £80416 |
Cost to build a single storey extension | £38320 |
Cost to build a side return extension | £30930 |
Install an RSJ | £1616 |
Build an outbuilding | £9416 |
Build a mansard loft conversion | £51416 |
Cost of a loft conversion | £28275 |
Build a kitchen extension | £41416 |
Build a hip to gable loft conversion | £41416 |
Build a granny annexe | £86416 |
Build a garden office | £9416 |
Convert a garage | £15416 |
Build a new garage | £17916 |
Build a flat roof extension | £21416 |
Build a dormer loft conversion | £41416 |
Lay a concrete foundation | £5666 |
Convert a bungalow loft | £28416 |
Basement conversion cost | £30930 |
Business name | Single storey extension cost |
---|---|
DERI BROWN T/A D Brown Building Services , LLANDYSUL, SA44 | £35600 |
Lippiatt Construction, Carmarthen, SA40 | £38800 |
Norton Construction, Cardigan, Ceredigion, sa43 | £38000 |
SP Coupland Ltd, Sir Ceredigion, SY25 | £40400 |
DRAGON CONSTRUCTION T/A, , SY25 | £38800 |