Range from the cheapest single storey extension £34000 (Csm building services based in SS16) to the dearest single storey extension £50000 (THAMES ESTUARY CONSTRUCTN LTD based in SS7).
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 Basildon by posting a job with HaMuch and we will send it to extension builders in Basildon.
Job | Estimate |
Underpinning a house | £17245 |
Build a two storey extension | £87618 |
Build a timber frame extension | £25745 |
Install a swimming pool | £80745 |
Cost to build a single storey extension | £44906 |
Cost to build a side return extension | £34634 |
Install an RSJ | £1945 |
Build an outbuilding | £9745 |
Build a mansard loft conversion | £51745 |
Cost of a loft conversion | £31362 |
Build a kitchen extension | £41745 |
Build a hip to gable loft conversion | £41745 |
Build a granny annexe | £86745 |
Build a garden office | £9745 |
Convert a garage | £15745 |
Build a flat roof extension | £21745 |
Build a dormer loft conversion | £41745 |
Lay a concrete foundation | £5995 |
Convert a bungalow loft | £28745 |
Basement conversion cost | £34634 |