Range from the cheapest single storey extension £43440 (Black Olive Construction Ltd based in BN1) to the dearest single storey extension £98000 (AM General Building Brighton Ltd based in BN2).
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 East Suss by posting a job with HaMuch and we will send it to extension builders in East Suss.
07/04/2024
Single storey extension
Job | Estimate |
Underpinning a house | £17341 |
Build a two storey extension | £87762 |
Build a timber frame extension | £25841 |
Install a swimming pool | £80841 |
Cost to build a single storey extension | £46826 |
Cost to build a side return extension | £35714 |
Install an RSJ | £2041 |
Build an outbuilding | £9841 |
Build a mansard loft conversion | £51841 |
Cost of a loft conversion | £32262 |
Build a kitchen extension | £41841 |
Build a hip to gable loft conversion | £41841 |
Build a granny annexe | £86841 |
Build a garden office | £9841 |
Convert a garage | £15841 |
Build a new garage | £18341 |
Build a flat roof extension | £21841 |
Build a dormer loft conversion | £41841 |
Lay a concrete foundation | £6091 |
Convert a bungalow loft | £28841 |
Basement conversion cost | £35714 |