The document discusses conservation and preservation of historic buildings and areas in Hackney, London. It provides information on: 1) Principles from Historic England on conserving the historic environment, including understanding significance, managing places to sustain values, and ensuring decisions are reasonable and consistent. 2) Assessing the evidential, historical, aesthetic, and communal values of heritage assets to understand their significance. 3) The Planning (Listed Buildings and Conservation Areas) Act 1990 which requires local authorities to designate conservation areas to preserve or enhance areas of special architectural or historic interest. 4) The case of St Mary's Lodge, a locally listed building in the Lordship Park Conservation Area, and efforts to conserve