Non-material amendment of planning permission PF/19/2004 (Partial demolition of existing extensions, and addition of three storey extension to the north and single storey extension to the south. Demolition and re-building of existing outbuildings; replacement windows and refurbishment throughout. New boundary treatment to south facing garden) to allow for enlarged and reconfigured sunken patio area and insertion of new personnel gate through reinstated south-facing boundary wall