Extension builder estimates (based on hourly rates) to build a single storey extension in Romsey
Range from the cheapest single storey extension £26000 (Floortrak Limited based in SO51) to the dearest single storey extension £46960 (Novare Plumbing Ltd based in SO51).
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 Romsey by posting a job with HaMuch and we will send it to extension builders in Romsey.
Estimates for common extension builder jobs in Romsey;
| Job | Estimate |
| Underpinning a house | £17168 |
| Build a two storey extension | £87501 |
| Build a timber frame extension | £25668 |
| Install a swimming pool | £80668 |
| Cost to build a single storey extension | £43350 |
| Cost to build a side return extension | £33760 |
| Install an RSJ | £1868 |
| Build an outbuilding | £9668 |
| Build a mansard loft conversion | £51668 |
| Cost of a loft conversion | £30633 |
| Build a kitchen extension | £41668 |
| Build a hip to gable loft conversion | £41668 |
| Build a granny annexe | £86668 |
| Build a garden office | £9668 |
| Convert a garage | £15668 |
| Build a new garage | £18168 |
| Build a flat roof extension | £21668 |
| Build a dormer loft conversion | £41668 |
| Lay a concrete foundation | £5918 |
| Convert a bungalow loft | £28668 |
| Basement conversion cost | £33760 |