Extension builder estimates (based on hourly rates) to build a single storey extension in PO18
Range from the cheapest single storey extension £38000 (M R Property Services based in PO19) to the dearest single storey extension £58000 (R&B Property Improvements 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 PO18 by posting a job with HaMuch and we will send it to extension builders in PO18.
Estimates for common extension builder jobs in PO18;
| Job | Estimate |
| Underpinning a house | £17249 |
| Build a two storey extension | £87624 |
| Build a timber frame extension | £25749 |
| Install a swimming pool | £80749 |
| Cost to build a single storey extension | £44982 |
| Cost to build a side return extension | £34678 |
| Install an RSJ | £1949 |
| Build an outbuilding | £9749 |
| Build a mansard loft conversion | £51749 |
| Cost of a loft conversion | £31398 |
| Build a kitchen extension | £41749 |
| Build a hip to gable loft conversion | £41749 |
| Build a granny annexe | £86749 |
| Build a garden office | £9749 |
| Convert a garage | £15749 |
| Build a new garage | £18249 |
| Build a flat roof extension | £21749 |
| Build a dormer loft conversion | £41749 |
| Lay a concrete foundation | £5999 |
| Convert a bungalow loft | £28749 |
| Basement conversion cost | £34678 |