Conservation (Built Environment) The Conservation Office of Dublin City Council is responsible for the protection of the architectural heritage of the city as defined by the Planning and Development Act 2000 (amended 2010). Residential About Conservation Information on the Conservation Office and the work they do protecting the architectural heritage of Dublin city. Conservation Grant Schemes Information on conservation grant schemes administered by Dublin City Council and other bodies. Architectural Conservation Areas Information on Architectural Conservation Areas (ACA). Exempted Development (Section 5) Information on Exempted Development (Section 5). Section 57 Declaration Information about whether or not works are exempt in a protected structure or a proposed protected structure. Special Planning Control Schemes Find out information on Special Planning Control Scheme (SPCS).