Variation of Condition 2 (Plan Numbers) of planning permission 20/2165/FUL (Part single, part two storey rear extension, two storey front/side extension, extension to roof including loft conversion served by rear dormer, single storey side extension and conversion of garage into habitable accommodation including alterations to roof and extension to raised patio to rear) to alter roof to increase crown roof and insertion of rooflights to flanks