Extension builder estimates (based on hourly rates) to build a single storey extension in TN22
Range from the cheapest single storey extension £38800 (Baldwin Builders based in BN8) to the dearest single storey extension £50000 (S.C.M. BUILDING CONTRACTORS based in TN7).
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 TN22 by posting a job with HaMuch and we will send it to extension builders in TN22.
Estimates for common extension builder jobs in TN22;
| Job | Estimate |
| Underpinning a house | £17254 |
| Build a two storey extension | £87631 |
| Build a timber frame extension | £25754 |
| Install a swimming pool | £80754 |
| Cost to build a single storey extension | £45078 |
| Cost to build a side return extension | £34732 |
| Install an RSJ | £1954 |
| Build an outbuilding | £9754 |
| Build a mansard loft conversion | £51754 |
| Cost of a loft conversion | £31443 |
| Build a kitchen extension | £41754 |
| Build a hip to gable loft conversion | £41754 |
| Build a granny annexe | £86754 |
| Build a garden office | £9754 |
| Convert a garage | £15754 |
| Build a new garage | £18254 |
| Build a flat roof extension | £21754 |
| Build a dormer loft conversion | £41754 |
| Lay a concrete foundation | £6004 |
| Convert a bungalow loft | £28754 |
| Basement conversion cost | £34732 |