Conversion of an existing two storey office block to provide 51 residential units. Two additional storeys are to be added to the existing two storey building and 4 storey extension will be completed to the rear including the construction of a new roof. Works include removal of the existing roof including rooftop plant, replacement of front elevation curtain walling with cavity wall, reconfiguration of the existing structural elements to facilitate new apartment layout, construction of two new floor levels over the existing roof level and construction of a 2-storey end extension.