Range from the cheapest single storey extension £26000 (HUSKINSON CONSTR SRVCS LTD based in NG16) to the dearest single storey extension £58000 (COMPLETE BLDG & PLASTIC INSTA based in DE5).
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 De by posting a job with HaMuch and we will send it to extension builders in De.
Job | Estimate |
Underpinning a house | £17165 |
Build a two storey extension | £87498 |
Build a timber frame extension | £25665 |
Install a swimming pool | £80665 |
Cost to build a single storey extension | £43306 |
Cost to build a side return extension | £33734 |
Install an RSJ | £1865 |
Build an outbuilding | £9665 |
Build a mansard loft conversion | £51665 |
Cost of a loft conversion | £30612 |
Build a kitchen extension | £41665 |
Build a hip to gable loft conversion | £41665 |
Build a granny annexe | £86665 |
Build a garden office | £9665 |
Convert a garage | £15665 |
Build a new garage | £18165 |
Build a flat roof extension | £21665 |
Build a dormer loft conversion | £41665 |
Lay a concrete foundation | £5915 |
Convert a bungalow loft | £28665 |
Basement conversion cost | £33734 |