Extension builder estimates (based on hourly rates) to build a single storey extension in BA15
Range from the cheapest single storey extension £42000 (ARK BUILDING CONTRACTORS LTD based in BA1) to the dearest single storey extension £82000 (Adams Of Bath Property Services based in BA2).
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 BA15 by posting a job with HaMuch and we will send it to extension builders in BA15.
Estimates for common extension builder jobs in BA15;
| Job | Estimate |
| Underpinning a house | £17327 |
| Build a two storey extension | £87740 |
| Build a timber frame extension | £25827 |
| Install a swimming pool | £80827 |
| Cost to build a single storey extension | £46531 |
| Cost to build a side return extension | £35549 |
| Install an RSJ | £2027 |
| Build an outbuilding | £9827 |
| Build a mansard loft conversion | £51827 |
| Cost of a loft conversion | £32124 |
| Build a kitchen extension | £41827 |
| Build a hip to gable loft conversion | £41827 |
| Build a granny annexe | £86827 |
| Build a garden office | £9827 |
| Convert a garage | £15827 |
| Build a new garage | £18327 |
| Build a flat roof extension | £21827 |
| Build a dormer loft conversion | £41827 |
| Lay a concrete foundation | £6077 |
| Convert a bungalow loft | £28827 |
| Basement conversion cost | £35549 |