Cheapest builders for loft conversion in S25
Range from the cheapest Loft conversion £26250 (R Watson Builders based in S43) to the dearest Loft conversion £90000 (C S Roofing & Building based in S8).
Comparing extension builders estimates for Loft 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 of a loft conversion in S25 by posting your job to extension builders in S25.
Estimates for common extension builder jobs in S25;
| Job | Estimate |
| Underpinning a house | £17585 |
| Build a two storey extension | £88127 |
| Build a timber frame extension | £26085 |
| Install a swimming pool | £81085 |
| Cost to build a single storey extension | £51696 |
| Cost to build a side return extension | £38454 |
| Install an RSJ | £2285 |
| Build an outbuilding | £10085 |
| Build a mansard loft conversion | £52085 |
| Cost of a loft conversion | £34545 |
| Build a kitchen extension | £42085 |
| Build a hip to gable loft conversion | £42085 |
| Build a granny annexe | £87085 |
| Build a garden office | £10085 |
| Convert a garage | £16085 |
| Build a new garage | £18585 |
| Build a flat roof extension | £22085 |
| Build a dormer loft conversion | £42085 |
| Lay a concrete foundation | £6335 |
| Convert a bungalow loft | £29085 |
| Basement conversion cost | £38454 |