Range from the cheapest single storey extension £46000 (GFN Building Services based in S17) to the dearest single storey extension £170000 (C S Roofing & Building based in S8).
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 Dronfield by posting a job with HaMuch and we will send it to extension builders in Dronfield.
02/03/2024
Single storey extension
Job | Estimate |
Underpinning a house | £17588 |
Build a two storey extension | £88132 |
Build a timber frame extension | £26088 |
Install a swimming pool | £81088 |
Cost to build a single storey extension | £51760 |
Cost to build a side return extension | £38490 |
Install an RSJ | £2288 |
Build an outbuilding | £10088 |
Build a mansard loft conversion | £52088 |
Cost of a loft conversion | £34575 |
Build a kitchen extension | £42088 |
Build a hip to gable loft conversion | £42088 |
Build a granny annexe | £87088 |
Build a garden office | £10088 |
Convert a garage | £16088 |
Build a new garage | £18588 |
Build a flat roof extension | £22088 |
Build a dormer loft conversion | £42088 |
Lay a concrete foundation | £6338 |
Convert a bungalow loft | £29088 |
Basement conversion cost | £38490 |