Extension builder estimates (based on hourly rates) to build a single storey extension in DH1
Range from the cheapest single storey extension £29200 (Dry Tec based in DH6) to the dearest single storey extension £59600 (John Barrett Joiner Builder based in NE37).
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 DH1 by posting a job with HaMuch and we will send it to extension builders in DH1.
Estimates for common extension builder jobs in DH1;
| Job | Estimate |
| Underpinning a house | £17173 |
| Build a two storey extension | £87509 |
| Build a timber frame extension | £25673 |
| Install a swimming pool | £80673 |
| Cost to build a single storey extension | £43453 |
| Cost to build a side return extension | £33817 |
| Install an RSJ | £1873 |
| Build an outbuilding | £9673 |
| Build a mansard loft conversion | £51673 |
| Cost of a loft conversion | £30681 |
| Build a kitchen extension | £41673 |
| Build a hip to gable loft conversion | £41673 |
| Build a granny annexe | £86673 |
| Build a garden office | £9673 |
| Convert a garage | £15673 |
| Build a flat roof extension | £21673 |
| Build a dormer loft conversion | £41673 |
| Lay a concrete foundation | £5923 |
| Convert a bungalow loft | £28673 |
| Basement conversion cost | £33817 |