Sheds, garages, greenhouses and other outbuildings

This includes any building within your garden, but not attached to your house (which would be classed as an extension). It typically includes sheds, garages, sun houses and greenhouses.

You will not require planning permission for a building or structure in the garden of your house, provided that:

  • it is not used as a separate dwelling;
  • it is not positioned in front of the principal elevation of your house or a side elevation that fronts a road;
  • the height of the eaves (where the roof meets the top of the wall) does not exceed 3 metres;
  • the total height does not exceed 4 metres;
  • no part of the building within one metre of the boundary of your garden would exceed 2.5 metres in height
  • the area of ground covered by all development (including the proposed building, any previous extensions to the house and any other buildings, but not the original house) in either the front or back garden is no more than half the area of that part of the garden.

If you live in a flat, a conservation area or a listed building you will require planning permission for these works if the new building exceeds four square metres in area. 

A building warrant might be required; we advise that you check before you start work.

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