Range from the cheapest single storey extension £42000 (Berkshire Environmental Services Ltd based in RG5) to the dearest single storey extension £152080 (HEATHHILL DEVELOPMENTS LTD based in RG45).
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 Winnersh by posting a job with HaMuch and we will send it to extension builders in Winnersh.
Job | Estimate |
Underpinning a house | £17645 |
Build a two storey extension | £88217 |
Build a timber frame extension | £26145 |
Install a swimming pool | £81145 |
Cost to build a single storey extension | £52893 |
Cost to build a side return extension | £39127 |
Install an RSJ | £2345 |
Build an outbuilding | £10145 |
Build a mansard loft conversion | £52145 |
Cost of a loft conversion | £35106 |
Build a kitchen extension | £42145 |
Build a hip to gable loft conversion | £42145 |
Build a granny annexe | £87145 |
Build a garden office | £10145 |
Convert a garage | £16145 |
Build a new garage | £18645 |
Build a flat roof extension | £22145 |
Build a dormer loft conversion | £42145 |
Lay a concrete foundation | £6395 |
Convert a bungalow loft | £29145 |
Basement conversion cost | £39127 |