Range from the cheapest single storey extension £34000 (T & J Builders based in NR6) to the dearest single storey extension £47600 (Halls Property Services Ltd - Independent Network Installer based in NR11).
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 Norwich by posting a job with HaMuch and we will send it to extension builders in Norwich.
Job | Estimate |
Underpinning a house | £16941 |
Build a two storey extension | £87162 |
Build a timber frame extension | £25441 |
Install a swimming pool | £80441 |
Cost to build a single storey extension | £38826 |
Cost to build a side return extension | £31214 |
Install an RSJ | £1641 |
Build an outbuilding | £9441 |
Build a mansard loft conversion | £51441 |
Cost of a loft conversion | £28512 |
Build a kitchen extension | £41441 |
Build a hip to gable loft conversion | £41441 |
Build a granny annexe | £86441 |
Build a garden office | £9441 |
Convert a garage | £15441 |
Build a new garage | £17941 |
Build a flat roof extension | £21441 |
Build a dormer loft conversion | £41441 |
Lay a concrete foundation | £5691 |
Convert a bungalow loft | £28441 |
Basement conversion cost | £31214 |