Extension builder estimates (based on hourly rates) to build a single storey extension in SG13
Range from the cheapest single storey extension £46320 (J B R Contracts based in SG14) to the dearest single storey extension £70000 (PDS Group Ltd based in EN10).
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 SG13 by posting a job with HaMuch and we will send it to extension builders in SG13.
Estimates for common extension builder jobs in SG13;
| Job | Estimate |
| Underpinning a house | £17461 |
| Build a two storey extension | £87941 |
| Build a timber frame extension | £25961 |
| Install a swimming pool | £80961 |
| Cost to build a single storey extension | £49213 |
| Cost to build a side return extension | £37057 |
| Install an RSJ | £2161 |
| Build an outbuilding | £9961 |
| Build a mansard loft conversion | £51961 |
| Cost of a loft conversion | £33381 |
| Build a kitchen extension | £41961 |
| Build a hip to gable loft conversion | £41961 |
| Build a granny annexe | £86961 |
| Build a garden office | £9961 |
| Convert a garage | £15961 |
| Build a new garage | £18461 |
| Build a flat roof extension | £21961 |
| Build a dormer loft conversion | £41961 |
| Lay a concrete foundation | £6211 |
| Convert a bungalow loft | £28961 |
| Basement conversion cost | £37057 |