Variation (under Section 73A) of Condition 2 (Schedule of Materials); Condition 3 (Details of Windows and Doors) and Condition 9 (Approved Plans) to substitute those plans approved under 20/02872/FULL for the proposed external alterations to the existing building including a roof extension to the rear, replacement windows, alterations to rooflights, extension to wall with proposed slatted timber fences and alterations to existing front planter to create private gardens in association with the change of use of the building into 8 No.flats with amended plans.