Extension builder estimates (based on hourly rates) to build a single storey extension in Havant & Waterloo
Range from the cheapest single storey extension £32400 (M G Home Improvements based in PO8) to the dearest single storey extension £66000 (KC Fencing Ltd based in po9).
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 Havant & Waterloo by posting a job with HaMuch and we will send it to extension builders in Havant & Waterloo.
Estimates for common extension builder jobs in Havant & Waterloo;
| Job | Estimate |
| Underpinning a house | £17267 |
| Build a two storey extension | £87651 |
| Build a timber frame extension | £25767 |
| Install a swimming pool | £80767 |
| Cost to build a single storey extension | £45341 |
| Cost to build a side return extension | £34879 |
| Install an RSJ | £1967 |
| Build an outbuilding | £9767 |
| Build a mansard loft conversion | £51767 |
| Cost of a loft conversion | £31566 |
| Build a kitchen extension | £41767 |
| Build a hip to gable loft conversion | £41767 |
| Build a granny annexe | £86767 |
| Build a garden office | £9767 |
| Convert a garage | £15767 |
| Build a new garage | £18267 |
| Build a flat roof extension | £21767 |
| Build a dormer loft conversion | £41767 |
| Lay a concrete foundation | £6017 |
| Convert a bungalow loft | £28767 |
| Basement conversion cost | £34879 |