Range from the cheapest single storey extension £32400 (RM contractors based in Nr20) to the dearest single storey extension £42000 (C MARSH BUILDERS LIMITED based in NR20).
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 Dereham by posting a job with HaMuch and we will send it to extension builders in Dereham.
Job | Estimate |
Underpinning a house | £16938 |
Build a two storey extension | £87157 |
Build a timber frame extension | £25438 |
Install a swimming pool | £80438 |
Cost to build a single storey extension | £38762 |
Cost to build a side return extension | £31178 |
Install an RSJ | £1638 |
Build an outbuilding | £9438 |
Build a mansard loft conversion | £51438 |
Cost of a loft conversion | £28482 |
Build a kitchen extension | £41438 |
Build a hip to gable loft conversion | £41438 |
Build a granny annexe | £86438 |
Build a garden office | £9438 |
Convert a garage | £15438 |
Build a new garage | £17938 |
Build a flat roof extension | £21438 |
Build a dormer loft conversion | £41438 |
Lay a concrete foundation | £5688 |
Convert a bungalow loft | £28438 |
Basement conversion cost | £31178 |