Certificate of Lawful Use (Proposed) - The works include the erection of a single storey rear extension, provision of new side elevation window and new porch. SINGLE STOREY EXTENSION - No more than half the area of land around the "original house". - No extensions forward of the principal elevation or side elevation - No extension to be higher than the highest part of the roof - Extension to be max 3m from rear wall of "original house" - Maximum height of a single-storey rear extension of 3.3m - Extension to have a flat roof with roof light - Maximum eaves height of extension within 2m of the boundary to be 3m - materials to match existing The works as shown on the accompanying drawing meet the above permitted development criteria and are considered to be lawful