Spiral Cellars’ floor-set concrete wine cellar went down as well as the booze at its launch in Putney – literally, with visitors able to access the cast steps to the cylindrical store below. But with its Bond-like electrically opening glazed hatch, could some drunken punter accidentally pay a visit to the ‘bottle’s base’? Ah, that, it appears, is a good old case of ‘buyer beware’; a term well known to the lawyers and barristers generally installing them in their homes for marking their latest case victory. Caveat emptor? More like ‘Cava’s empty!’