Prior Approval Notification: New dwellinghouses on terrace buildings in use as dwellinghouses under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) - Schedule 2, Part 20, Class AC Prior approval notification for the construction of an upward extension consisting of 1 no. additional storey and roof above the existing roof with the creation of 1no. self-contained residential unit. The upward extension will contain a dormer to the front and rear with glazed openings. The upward extension will be a maximum height of 3.5m above the existing ridge