'City living' has the potential to contribute towards sustainable development as well as to urban renaissance: medium to high density, mixed-use property development on brownfield, central sites provides accommodation for people in city centre employment, reduces the need for travel and adds to urban vitality and viability. But city living developments, driven by demand from buy-to-let investors, have not fulfilled all their potential in terms of environmental, social and economic sustainability. The paper argues that the structure of incentives and lack of adequate controls have created a phenomenon that is economically precarious, socially elitist and environmentally ambiguous. The …