Range from the cheapest single storey extension £30800 (GOLDSTAR CONSTRUCTION based in TR16) to the dearest single storey extension £42800 (BUILDMARK BUILDERS based in PL26).
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 TR1 by posting a job with HaMuch and we will send it to extension builders in TR1.
Job | Estimate |
Underpinning a house | £16970 |
Build a two storey extension | £87205 |
Build a timber frame extension | £25470 |
Install a swimming pool | £80470 |
Cost to build a single storey extension | £39395 |
Cost to build a side return extension | £31535 |
Install an RSJ | £1670 |
Build an outbuilding | £9470 |
Build a mansard loft conversion | £51470 |
Cost of a loft conversion | £28779 |
Build a kitchen extension | £41470 |
Build a hip to gable loft conversion | £41470 |
Build a granny annexe | £86470 |
Build a garden office | £9470 |
Convert a garage | £15470 |
Build a new garage | £17970 |
Build a flat roof extension | £21470 |
Build a dormer loft conversion | £41470 |
Lay a concrete foundation | £5720 |
Convert a bungalow loft | £28470 |
Basement conversion cost | £31535 |