Range from the cheapest Basement conversion £28500 (Jeet & jarmal based in SL1) to the dearest Basement conversion £37140 (Ani Mokashi based in SL4).
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 Windsor by posting a job with HaMuch and we will send it to extension builders in Windsor.
Job | Estimate |
Underpinning a house | £17329 |
Build a two storey extension | £87744 |
Install a swimming pool | £80829 |
Cost to build a single storey extension | £46582 |
Cost to build a side return extension | £35578 |
Build a mansard loft conversion | £51829 |
Cost of a loft conversion | £32148 |
Build a hip to gable loft conversion | £41829 |
Build a dormer loft conversion | £41829 |
Lay a concrete foundation | £6079 |
Convert a bungalow loft | £28829 |
Basement conversion cost | £35578 |