Range from the cheapest single storey extension £45840 (BOWIE CONSTRUCTION LTD based in CB21) to the dearest single storey extension £74000 (ALLIED BUILDING ASSOCIATES LTD based in CB22).
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 CB22 by posting a job with HaMuch and we will send it to extension builders in CB22.
Job | Estimate |
Underpinning a house | £17426 |
Build a two storey extension | £87889 |
Build a timber frame extension | £25926 |
Install a swimming pool | £80926 |
Cost to build a single storey extension | £48522 |
Cost to build a side return extension | £36668 |
Install an RSJ | £2126 |
Build an outbuilding | £9926 |
Build a mansard loft conversion | £51926 |
Cost of a loft conversion | £33057 |
Build a kitchen extension | £41926 |
Build a hip to gable loft conversion | £41926 |
Build a granny annexe | £86926 |
Build a garden office | £9926 |
Convert a garage | £15926 |
Build a new garage | £18426 |
Build a flat roof extension | £21926 |
Build a dormer loft conversion | £41926 |
Lay a concrete foundation | £6176 |
Convert a bungalow loft | £28926 |
Basement conversion cost | £36668 |