Range from the cheapest single storey extension £39760 (Mac Building Services based in DE12) to the dearest single storey extension £58000 (Top Floar Property Services based in DE14).
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 South Derbyshire by posting a job with HaMuch and we will send it to extension builders in South Derbyshire.
Job | Estimate |
Underpinning a house | £17176 |
Build a two storey extension | £87514 |
Build a timber frame extension | £25676 |
Install a swimming pool | £80676 |
Cost to build a single storey extension | £43517 |
Cost to build a side return extension | £33853 |
Install an RSJ | £1876 |
Build an outbuilding | £9676 |
Build a mansard loft conversion | £51676 |
Cost of a loft conversion | £30711 |
Build a kitchen extension | £41676 |
Build a hip to gable loft conversion | £41676 |
Build a granny annexe | £86676 |
Build a garden office | £9676 |
Convert a garage | £15676 |
Build a new garage | £18176 |
Build a flat roof extension | £21676 |
Build a dormer loft conversion | £41676 |
Lay a concrete foundation | £5926 |
Convert a bungalow loft | £28676 |
Basement conversion cost | £33853 |