
Boris Johnson lays a brick during a visit to a Barratt Homes development in Bedford, last November. The prime minister has backed plans to allow buildings to be repurposed without full planning permission.
University College London professor Ben Clifford - who recently completed a government review of housing produced outside the conventional planning system - said allowing developers to turn a wider range of commercial properties into flats without planning checks could lead to a wave of substandard conversions.
"Unless there are proper safeguards, we could see even more poor-quality, tiny flats being crammed into commercial buildings lacking amenities and green space," he said. "These could be what others have rightly called the slums of the future."















Comment: As an example of what's considered acceptable housing for a family in Britain these days: