create a 2d architectural rendered rear elevation of a traditional two storey uk house the design includes a single storey rear extension projecting approximately 4 metres from the original rear wall at ground floor level finished in smooth white render above the roof remains a simple pitched form no hip with one large flat roof dormer spanning most of the rear roof width the dormer should be centred with dark cladding and modern glazing the composition should clearly show only two storeys ground floor first floor with the dormer set within the roof space not forming a third floor style clean 2d architectural visual soft shadows minimal landscaping straight on rear view