Range from the cheapest single storey extension £24400 (Garden landscapes landscape based in CF35) to the dearest single storey extension £40880 (Dare Fitness based in CF44).
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 Treorchy by posting a job with HaMuch and we will send it to extension builders in Treorchy.
Job | Estimate |
Underpinning a house | £16944 |
Build a two storey extension | £87165 |
Build a timber frame extension | £25444 |
Install a swimming pool | £80444 |
Cost to build a single storey extension | £38870 |
Cost to build a side return extension | £31240 |
Install an RSJ | £1644 |
Build an outbuilding | £9444 |
Build a mansard loft conversion | £51444 |
Cost of a loft conversion | £28533 |
Build a kitchen extension | £41444 |
Build a hip to gable loft conversion | £41444 |
Build a granny annexe | £86444 |
Build a garden office | £9444 |
Convert a garage | £15444 |
Build a new garage | £17944 |
Build a flat roof extension | £21444 |
Build a dormer loft conversion | £41444 |
Lay a concrete foundation | £5694 |
Convert a bungalow loft | £28444 |
Basement conversion cost | £31240 |