Cheapest builders to convert your basement in Streatham
Range from the cheapest Basement conversion £33000 (Heateco Limited based in SW16) to the dearest Basement conversion £60000 (Felix Building based in SW16).
Comparing extension builders estimates for a Basement conversion 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 for the cost to convert a basement in Streatham by posting a job with HaMuch and we will send it to extension builders in Streatham.
Estimates for common extension builder jobs in Streatham;
| Job | Estimate |
| Underpinning a house | £17440 |
| Build a two storey extension | £87910 |
| Build a timber frame extension | £25940 |
| Install a swimming pool | £80940 |
| Cost to build a single storey extension | £48797 |
| Cost to build a side return extension | £36823 |
| Install an RSJ | £2140 |
| Build an outbuilding | £9940 |
| Build a mansard loft conversion | £51940 |
| Cost of a loft conversion | £33186 |
| Build a kitchen extension | £41940 |
| Build a hip to gable loft conversion | £41940 |
| Build a granny annexe | £86940 |
| Build a garden office | £9940 |
| Convert a garage | £15940 |
| Build a new garage | £18440 |
| Build a flat roof extension | £21940 |
| Build a dormer loft conversion | £41940 |
| Lay a concrete foundation | £6190 |
| Convert a bungalow loft | £28940 |
| Basement conversion cost | £36823 |