Non-material amendment to DC/16/1713/HH - a. change roof of rear extension from pitched to flat with lantern roof light b. omit side windows to rear extension c. change extensions from timber cladding to render finish d. front dormers to have pitched dormer roofs rather than flat roofs e. cedar cladding to upper part of existing elevations f. lean-to roof over external dining doors omitted g. dining doors to be french doors rather than sliding doors