Building Regulation Approval

Carports will not usually require building regulation approval provided its floor area is 30 square metres or less and it is open on at least two sides.

However if you intend to provide electrical installations to the carport e.g. lighting, which receives its electricity from a source shared with or located inside a dwelling, then a Building Regulations application is required for the electrical work.

Planning permission will be required to construct a car port if any of the following apply:

  • As a result of the works, more than 50% of the land surrounding the original house would be covered with buildings.
  • The height of the part of the house enlarged, improved or altered exceeds the highest part of the roof of the existing house.
  • The height of the eaves of the part of the house enlarged, improved or altered exceeds the height of the eaves of the existing house. (Highest eaves on the dwelling).
  • The enlarged part of the house extends beyond a wall which:
    • (i) Fronts a highway and
    • (ii) Forms either a principal (front) or side elevation of the original house.
  • The enlarged part of the house would be located within 2 metres of the property boundary and the height of the eaves of the enlarged part exceeds 3 metres.
  • The extension includes the construction of a veranda, balcony (not Juliet balconies) or raised platform (a raised platform is defined as anything more than 300mm above ground level – measured at the highest point). This will include decking and the 50% rule will also apply).
  • The extension includes the installation, alteration or replacement of microwave antenna.
  • The extension includes the installation, alteration or replacement of a chimney, flue or soil and vent pipe.
  • The extension involves alteration to any part of the roof.

For Single-Storey Rear Extensions

  • On a detached house, the carport extends beyond the rear wall of the original house by more than 4 metres.
  • For any other house, the carport extends beyond the rear wall of the original house by more than 3 metres.
  • The carport exceeds 4 metres in height.

For Side Extensions

  • The carport exceeds 4 metres in height.
  • The carport has more than one-storey.
  • The carport has a width that is greater than half that of the original house.

In A Conservation Area Development Is Not Permitted If:

  • It would consist or include the cladding of any part of the exterior of the house with stone, artificial stone, pebble dash, render, timber, plastic or tiles.
  • The enlarged part of the house would extend beyond a wall forming a side elevation of the original house.
  • The enlarged part of the house would have more than one-storey high and extend beyond the rear wall of the original house.

Development Is Permitted Subject To The Following Conditions:

  • The materials of external construction should be of similar appearance to those of the existing dwelling (except in the case of conservatories).
  • Any upper-floor windows in the wall or roof slope forming a side elevation of the dwelling shall be obscured-glazed (level 4 or 5 obscurity) and non-opening (unless the opener is more than 1.7 metres above the floor of the room in which the window is installed). (This relates to windows and roof lights in the side wall/roof slope of the original house)
  • Where the enlarged part of the house has more than one-storey, the roof pitch of the enlarged part shall, so far as practicable, be the same as that of the original house.

Please note: Planning permission may be required if the permitted development rights for your property have been removed.

If you live in a Listed Building, you will need listed building consent for any significant works whether internal or external.

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