The plan to generate revenue from areas currently used by the public is causing bitter dispute, and raises fundamental questions In a crowded country that is short of public money, any expansive public building that seems underused in any way is vulnerable. Professional critics of state spending can claim taxpayers’ money is being wasted. Managers of the building who are under financial pressure can argue it needs to be used more intensely, perhaps that some spaces should be commercialised and offered for rent. The original open, uncommodified, egalitarian quality of the building can be steadily sliced away. The British Library in London is in danger of that fate. A huge brick battleship moored on the Euston Road since 1997, it claims to be the largest public building constructed in the UK in the 20th century. Its both forbidding and exhilarating exterior conceals 11 unusually elegant an