Policy information sourced from Enfield Development Managament Document (DMD)

DMD 11 Rear Extensions

  • Proposed extensions will only be permitted if:
    • There is no impact on the amenities of the original building and its neighbouring properties;
    • Adequate amenity space and the maintenance of satisfactory access to existing garages or garage/parking space is retained; and
    • There is no adverse visual impact.
  • Single storey extensions must:
    • Not exceed 3 metres in depth beyond the original rear wall in the case of terraced and semi-detached properties, or 4 metres for detached dwellings. In the case of a flat roof, the single storey extension should not exceed a height of 3 metres from ground level when measured to the eaves with an allowance of between 3.3-3.5 metres to the top of a parapet wall. For pitched roofs the extension should not exceed 4 metres in height when measured from the ridge and 3 metres at the eaves.
    • Not exceed a line taken at a 45-degrees from the mid-point of the nearest original ground floor window to any of the adjacent properties; or
    • Secure a common alignment of rear extensions.
  • First floor extensions must:
    • Not exceed a line taken a 30-degrees from the mid-point of the nearest original first floor window to any of the adjacent properties; and,
    • Where appropriate,secure a common alignment of rear extensions.

This policy should be read in conjunction with Core Strategy policy 4.

For more information please see the Development Managament Document (DMD)