Range from the cheapest single storey extension £46960 (Primary Construction Ltd based in GU51) to the dearest single storey extension £49520 (JMD Property Solutions based in GU).
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 Farnham by posting a job with HaMuch and we will send it to extension builders in Farnham.
Job | Estimate |
Underpinning a house | £17397 |
Build a two storey extension | £87845 |
Build a timber frame extension | £25897 |
Install a swimming pool | £80897 |
Cost to build a single storey extension | £47939 |
Cost to build a side return extension | £36341 |
Install an RSJ | £2097 |
Build an outbuilding | £9897 |
Build a mansard loft conversion | £51897 |
Cost of a loft conversion | £32784 |
Build a kitchen extension | £41897 |
Build a hip to gable loft conversion | £41897 |
Build a granny annexe | £86897 |
Build a garden office | £9897 |
Convert a garage | £15897 |
Build a new garage | £18397 |
Build a flat roof extension | £21897 |
Build a dormer loft conversion | £41897 |
Lay a concrete foundation | £6147 |
Convert a bungalow loft | £28897 |
Basement conversion cost | £36341 |