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Do I need Planning?

• Generally these are the rules but check with your local council first. Also if you live in a listed building you will need listed building consent for any significant works.
  Windows and doors
  No need to apply for planning permission to repair, maintain, paint or replace. And to insert windows, skylights or roof lights (excluding bay windows as they are classed as extension).
  Porches
  No need to apply for planning permission if it has an external ground area of less than 3m2, it is under 3m in height and more than 2m away from a boundary with a highway.
  External walls
  No need to apply for planning to repair, repaint or maintain your external walls unless you live in a listed building or live in a conservation area.
  Roof
  No need to apply for planning permission to repair or replace your roof and to insert roof lights or skylights unless you create extra volume (loft conversion) or live in a listed building or conservation area. Make sure any new roof light does not project significantly beyond the slope of the roof though. Solar panels are usually classed as permitted development but there are exceptions so check with your local council
  Extensions
  Single storey: It is usually permitted to extend a house if one does not exceed to build more than 50% of the total area of land around the original house (as it was first build or stood on 1July 1948). This includes sheds and outbuildings. The extension is not allowed to extend past the front elevation. The width of a side extension cannot be larger than half the width of the original house. Extensions generally can have a maximum height of 4m if further than 2m from a boundary or under 3m high if within 2m of the boundary but never higher than the original house. A rear extension cannot extend more than 3m beyond the rear of the original house
  Two storey: It is usually permitted to extend a house if one does not exceed to build more than 50% of the total area of land around the original house (as it was first build or stood on 1July 1948). This includes sheds and outbuildings.
  A rear extension cannot extend more than 3m beyond the rear of the original house or be within 7m of the rear boundary.
  Extensions need to be under 3m high if within 2m of the boundary but never higher than the original house and the roof pitch preferable needs to match the original house. No balconies or verandas are allowed without planning permission.
  Garages, sheds and outbuildings
  Generally you can build these without planning permission if you stick to the following guidelines. Do not build in front of the line of the front elevation. Maximum of 2.5m eves height and 3m roofheight or 4m if dual pitched. If within 2m of a boundary, a maximum height of 2.5m is allowed. Do not exceed to build more than 50% of the total area of land around the original house (as it was first build or stood on 1July 1948).
  Fences, walls and gates
  You generally do not need planning permission to erect these if they are under 1m high next to a highway or under 2m high elsewhere unless they form a boundary with a neighbouring listed building or its cartilage.
  Paving and driveways.
  You generally do not need planning permission if you use permeable surfacing (gravel or porous block paving) or use traditional impermeable (asphalt, slabs etc) covering under an area of 5m2 in front of your house.
  CCTV and security alarm
  Planning permission is normally not required unless you live in a listed building or in a conservation area.
  Wind turbines and air source heat pumps are not yet permitted development.
  These general rules are a guidance only. For full permitted development rights please contact your local council or visit http://www.planningportal.gov.uk/permission