Extension builder estimates (based on hourly rates) to build a single storey extension in Exeter
Range from the cheapest single storey extension £29200 (SUMNER CONSTRUCTION based in EX16) to the dearest single storey extension £58000 (Abbot Damp Proofing Services based in TQ12).
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 Exeter by posting a job with HaMuch and we will send it to extension builders in Exeter.
Estimates for common extension builder jobs in Exeter;
| Job | Estimate |
| Underpinning a house | £17009 |
| Build a two storey extension | £87263 |
| Build a timber frame extension | £25509 |
| Install a swimming pool | £80509 |
| Cost to build a single storey extension | £40176 |
| Cost to build a side return extension | £31974 |
| Install an RSJ | £1709 |
| Build an outbuilding | £9509 |
| Build a mansard loft conversion | £51509 |
| Cost of a loft conversion | £29145 |
| Build a kitchen extension | £41509 |
| Build a hip to gable loft conversion | £41509 |
| Build a granny annexe | £86509 |
| Build a garden office | £9509 |
| Convert a garage | £15509 |
| Build a flat roof extension | £21509 |
| Build a dormer loft conversion | £41509 |
| Lay a concrete foundation | £5759 |
| Convert a bungalow loft | £28509 |
| Basement conversion cost | £31974 |