Extension builder estimates (based on hourly rates) to build a single storey extension in Neath Port Talbot
Range from the cheapest single storey extension £38640 (G Wager Building Maintenance based in SA13) to the dearest single storey extension £74000 (SES Building & Energy Solutions Ltd based in CF34).
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 Neath Port Talbot by posting a job with HaMuch and we will send it to extension builders in Neath Port Talbot.
Estimates for common extension builder jobs in Neath Port Talbot;
| Job | Estimate |
| Underpinning a house | £17106 |
| Build a two storey extension | £87410 |
| Build a timber frame extension | £25606 |
| Install a swimming pool | £80606 |
| Cost to build a single storey extension | £42128 |
| Cost to build a side return extension | £33072 |
| Install an RSJ | £1806 |
| Build an outbuilding | £9606 |
| Build a mansard loft conversion | £51606 |
| Cost of a loft conversion | £30060 |
| Build a kitchen extension | £41606 |
| Build a hip to gable loft conversion | £41606 |
| Build a granny annexe | £86606 |
| Build a garden office | £9606 |
| Convert a garage | £15606 |
| Build a flat roof extension | £21606 |
| Build a dormer loft conversion | £41606 |
| Lay a concrete foundation | £5856 |
| Convert a bungalow loft | £28606 |
| Basement conversion cost | £33072 |