Whether it’s an old church or the shell of a derelict factory, a gap site or an under-used parking lot, vacant land and buildings are a headache for planners and regeneration professionals. The impacts of vacany stretch beyond the site, creating a sense of decline and blighting neighbourhoods. Yet these left overs can be the…

News from Sierra Leone that 9,000 slum dwellers have been made homeless by demolition of their homes highlights the need for planners to fundamentally rethink conventional approaches to housing the poor. The new Sustainable Development Goals adopted by the UN commit governments to inclusive cities. In particular one target for the “Urban Goal”, Goal 11, is  “By 2030,…