13 Hill Street London W1J 5LQ
External alterations to both No. 13 Hill Street and 39 Hay's Mews to alter existing windows and sills; replacement of existing windows; creation of new openings and installation of new windows; infill of existing lightwells; alteration works to existing courtyard works, associated access creation and landscaping; installation of new external light fittings; installation of a new dry riser; works at roof level including repair and upgrade works; installation of new rooflights; new means of escape and access onto Hays Mews; installation of new plant equipment and associated enclosure; other associated works.