Work that does not require a Building Warrant

There are works that don’t require you to apply for a building warrant.

  • A detached single-storey building, with a floor area not more than 8 square metres, within the garden of a house, that,
  • Is at least 1 metre from the house or is closer than 1 metre to the house but is at least 1 metre from any boundary,
  • Does not contain sleeping accommodation,
  • Does not contain a flue; a fixed solid fuel, oil or gas appliance,
  • Does not contain a sanitary fitting.

A detached single-storey building, with a floor area not more than 8 square metres, within the garden of a flat or maisonette that,

  • Is at least 1 metre from the flat or maisonette or 3 metres from any other part of the building containing a flat or maisonette,
  • Is at least 1 metre from any boundary,
  • Does not contain a flue, fixed solid fuel, oil or gas appliance,
  • Does not contain a sanitary fitting.

A single-storey conservatory or porch with a floor area of not more than 8 square metres that is attached to an existing house, and,

  • Is at least 1 metre from a boundary,
  • Does not contain a fixed solid fuel, oil or gas appliance,
  • Does not contain a sanitary fitting,
  • Meets the regulations on safety glazing.

A single-storey greenhouse, carport or covered area, each with a floor area not more than 30 square metres, that is detached or attached to an existing house and,

  • Does not contain a flue, fixed solid fuel, oil or gas appliance,
  • Does not contain a sanitary fitting.

A paved area or hard standing not more than 50 square metres in area that,

  • Is not part of any access route required by the regulations.

Works that do not require a Building warrant but are required to meet building regulation standards.

Any building work to or in a house, that does not involve,

  • Increasing the floor area,
  • The demolition or alteration of a roof, an external wall or an element of structure, for example, forming a doorway in a load bearing wall.
  • Underpinning,
  • Any work adversely affecting a separating wall,
  • Changing the method of waste water discharge,
  • Any work to a house having a storey, or creating a storey, at a height of more than 4.5 metres (normally a three or more storey house). For example, the alteration and refit of a kitchen or bathroom or forming an en-suite bathroom or shower room.

A detached single-storey building having an area exceeding 8 square metres but not exceeding 30 square metres, ancillary to and within the garden of a house, provided that the building,

  • Is at least 1 metre from the house, or is closer than 1 metre to the house but is at least 1 metre from any boundary,
  • Does not contain a fixed solid fuel, oil or gas appliance,
  • Does not contain a sanitary fitting, For example, the construction of a detached shed, detached carport, or detached garage.

A detached single-storey building having an area exceeding 8 square metres but not exceeding 30 square metres, ancillary to and within the garden of a flat or maisonette, provided that the building,

  • Is at least 1 metre from the flat or maisonette or within 3 metres of any other part of the building containing the flat or maisonette,
  • Is at least 1 metre from any boundary,
  • Does not contain a fixed solid fuel, oil or gas appliance,
  • Does not contain a sanitary facility. For example, the construction or installation of a detached shed, detached carport, or detached garage.
  • Any building work associated with a domestic scale fixed solid fuel, oil or gas appliance or other part of a heating installation that does not include work associated with a chimney, flue pipe or constructional hearth.

Any building work associated with a balanced flue serving a room-sealed appliance.

Any building work associated with the installation of a flue liner.

Any building work associated with refillable liquefied petroleum gas storage cylinders supplying, via a fixed pipework installation, combustion appliances use principally for providing space heating, water heating, or cooking facilities.

Other minor work such as the provision of a single sanitary facility (other than a WC), installation of an extractor fan or, in a dwelling, the installation of a stair lift.

Additional insulation (other than insulation applied to the outer surface of an external wall),

The construction of walls not exceeding 1.2 metres in height, fences not exceeding 2.0 metres in height,

Raised external decking at a height of no more than 1.2 metres (other than where forming part of any access or escape route required by the regulations), and paved areas exceeding 50 but not exceeding 200 square metres in area (other than where forming part of any access required by the regulations).

Replacement doors, windows, and roof lights when the frame is also being replaced.