Use of existing dwellinghouse at No.23 Stewart Road as commercial unit (Use Class E(a), E(c)(i),(ii),(iii), E(e), and E(g)(i)(ii) ), including the enlargement of the roof to provide side gables, raised ridge lines, rear dormer and for the garage only, the formation of a new shop front on the rear elevation and a stepped access linking to the Dyson Place courtyard (AMENDED DESCRIPTION & ADDITIONAL DRAWINGS)