Range from the cheapest single storey extension £32400 (Smudge Construction Ltd based in TR13) to the dearest single storey extension £42000 (Peters Bros based in TR12).
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 Penryn by posting a job with HaMuch and we will send it to extension builders in Penryn.
Job | Estimate |
Underpinning a house | £16934 |
Build a two storey extension | £87151 |
Build a timber frame extension | £25434 |
Install a swimming pool | £80434 |
Cost to build a single storey extension | £38678 |
Cost to build a side return extension | £31132 |
Install an RSJ | £1634 |
Build an outbuilding | £9434 |
Build a mansard loft conversion | £51434 |
Cost of a loft conversion | £28443 |
Build a kitchen extension | £41434 |
Build a hip to gable loft conversion | £41434 |
Build a granny annexe | £86434 |
Build a garden office | £9434 |
Convert a garage | £15434 |
Build a new garage | £17934 |
Build a flat roof extension | £21434 |
Build a dormer loft conversion | £41434 |
Lay a concrete foundation | £5684 |
Convert a bungalow loft | £28434 |
Basement conversion cost | £31132 |