Planning permission has been granted by the Bethnal Green Neighbourhood for demolition of the building. But listing means that separate consent would be required under heritage legislation before demolition could go ahead.
Mr Brooke said: 'The quality of much post-war architecture is still the subject of controversy, particularly where tower blocks are concerned. However, Keeling House is an architecturally outstanding example of 1950s public housing. I am aware of the structural and technical problems associated with Keeling House, and the various estimates of the costs of repairing it. But the legislation requires that I list buildings which I consider to be of special architectural or historic interest.