7 Stratton Street London W1J 8LE
Erection of one additional floor at fifth floor level and infilling of rear lightwell from lower ground floor to fourth floor to provide additional office (Class E) accommodation; creation of terrace at rear fifth floor for use in association with office (Class E) space, installation of Air Source Heat Pumps within acoustic enclosure at new roof level, addition of planter boxes and associated alterations to the front façade, and excavation of plant pit at basement level to provide space for emergency plant equipment.