Tag: Basement waterproofing

How much does a cellar conversion cost in the UK? See realistic price ranges for fit-outs, waterproofing/tanking and full dig-outs with underpinning. Learn the key cost drivers—headroom, damp risk, access, stairs, drainage and building regs—plus hidden extras to watch for, quote tips, and a sensible contingency so you can budget confidently before you start.