Range from the cheapest single storey extension £29200 (J & G Construction based in BB4) to the dearest single storey extension £138000 (Ridgesmart Roofing Ltd based in BB2).
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 BB3 by posting a job with HaMuch and we will send it to extension builders in BB3.
Job | Estimate |
Underpinning a house | £17223 |
Build a two storey extension | £87584 |
Build a timber frame extension | £25723 |
Install a swimming pool | £80723 |
Cost to build a single storey extension | £44458 |
Cost to build a side return extension | £34382 |
Install an RSJ | £1923 |
Build an outbuilding | £9723 |
Build a mansard loft conversion | £51723 |
Cost of a loft conversion | £31152 |
Build a kitchen extension | £41723 |
Build a hip to gable loft conversion | £41723 |
Build a granny annexe | £86723 |
Build a garden office | £9723 |
Convert a garage | £15723 |
Build a new garage | £18223 |
Build a flat roof extension | £21723 |
Build a dormer loft conversion | £41723 |
Lay a concrete foundation | £5973 |
Convert a bungalow loft | £28723 |
Basement conversion cost | £34382 |