proposed and the position of any extensions. Example: ‘erection of a single storey rear extension, two-storey side extension and dormer window to rear’ Further information on common householder projects is available on the Planning Portal. Extensions (two storey) 7 Side windows Any upper-floor window in a wall or roof slope in a side elevation must be obscure-glazed and non- opening unless the parts which can be opened are more than 1.7 metres above the floor of the room in which it is installed.

This last point will apply more to single storey as opposed to two or indeed first floor extensions. Depth: The maximum depth of any first or two storey extension is 3 metres. Veranda: You will require planning permission if you wish to add a veranda, balcony or raised platform to the structure. Roof Pitch and Materials: At first floor level ... Dec 18, 2012 · Whether or not you will get permission to build a two storey side extension is at the mercy of your local planning department. Some councils have a policy whereby building up to, or close to, the boundary is not acceptable, due to the terracing effect.