1)
The proposed extension, by reason of its depth, height and bulk, would constitute a visually obtrusive addition, harming the appearance of the building and terrace, as well as diminishing an important gap in The Boltons Conservation Area. The proposed development would therefore fail to preserve the character or appearance of The Boltons Conservation Area, contrary to Consolidated Local Plan policies CL1, CL2, CL3, CL9 and CL11, as well as guidance within The Boltons Conservation Area Appraisal.