Range from the cheapest single storey extension £35600 (HMS Property based in ST7) to the dearest single storey extension £43760 (Bespoke based in St7).
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 ST2 by posting a job with HaMuch and we will send it to extension builders in ST2.
Job | Estimate |
Underpinning a house | £17082 |
Build a two storey extension | £87373 |
Build a timber frame extension | £25582 |
Install a swimming pool | £80582 |
Cost to build a single storey extension | £41642 |
Cost to build a side return extension | £32798 |
Install an RSJ | £1782 |
Build an outbuilding | £9582 |
Build a mansard loft conversion | £51582 |
Cost of a loft conversion | £29832 |
Build a kitchen extension | £41582 |
Build a hip to gable loft conversion | £41582 |
Build a granny annexe | £86582 |
Build a garden office | £9582 |
Convert a garage | £15582 |
Build a new garage | £18082 |
Build a flat roof extension | £21582 |
Build a dormer loft conversion | £41582 |
Lay a concrete foundation | £5832 |
Convert a bungalow loft | £28582 |
Basement conversion cost | £32798 |