Cheapest builders to convert your basement in SW1P
Range from the cheapest Basement conversion £16800 (London Design And Build based in SW1A) to the dearest Basement conversion £37500 (Woodmaster london Ltd based in SW8).
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 SW1P by posting a job with HaMuch and we will send it to extension builders in SW1P.
Estimates for common extension builder jobs in SW1P;
| Job | Estimate |
| Underpinning a house | £17327 |
| Build a two storey extension | £87740 |
| Build a timber frame extension | £25827 |
| Install a swimming pool | £80827 |
| Cost to build a single storey extension | £46538 |
| Cost to build a side return extension | £35552 |
| Install an RSJ | £2027 |
| Build an outbuilding | £9827 |
| Build a mansard loft conversion | £51827 |
| Cost of a loft conversion | £32127 |
| Build a kitchen extension | £41827 |
| Build a hip to gable loft conversion | £41827 |
| Build a granny annexe | £86827 |
| Build a garden office | £9827 |
| Convert a garage | £15827 |
| Build a new garage | £18327 |
| Build a flat roof extension | £21827 |
| Build a dormer loft conversion | £41827 |
| Lay a concrete foundation | £6077 |
| Convert a bungalow loft | £28827 |
| Basement conversion cost | £35552 |