Cheapest builders for loft conversion in SL3
Range from the cheapest Loft conversion £26250 (Jeet & jarmal based in SL1) to the dearest Loft conversion £33450 (GDC Design & Build based in TW19).
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 SL3 by posting your job to extension builders in SL3.
Estimates for common extension builder jobs in SL3;
| Job | Estimate |
| Underpinning a house | £17331 |
| Build a two storey extension | £87747 |
| Build a timber frame extension | £25831 |
| Install a swimming pool | £80831 |
| Cost to build a single storey extension | £46621 |
| Cost to build a side return extension | £35599 |
| Install an RSJ | £2031 |
| Build an outbuilding | £9831 |
| Build a mansard loft conversion | £51831 |
| Cost of a loft conversion | £32166 |
| Build a kitchen extension | £41831 |
| Build a hip to gable loft conversion | £41831 |
| Build a granny annexe | £86831 |
| Build a garden office | £9831 |
| Convert a garage | £15831 |
| Build a flat roof extension | £21831 |
| Build a dormer loft conversion | £41831 |
| Lay a concrete foundation | £6081 |
| Convert a bungalow loft | £28831 |
| Basement conversion cost | £35599 |