Policy information sourced from the Hillingdon Local Plan: Part 1

H7 Conversion of Residential Properties into a Number of Units

The local planning authority will regard the conversion of residential properties into more units as acceptable in principle provided this can be achieved without causing demonstrable harm to the residential amenities or character of the area or the amenity of adjoining occupiers and the following criteria are met:

  1. It can be demonstrated that adequate sound insulation is provided;
  2. Car parking to the standards adopted by the local planning authority can be provided within the curtilage of the site and can be accommodated without significant detriment to the street scene;
  3. All units are self contained with exclusive use of sanitary and kitchen facilities and with individual entrances, and internal staircases are provided to serve units above ground floor level; and
  4. Adequate amenity space is provided for the benefit of residents of the proposed development.

For more information please see Appendix 5 of the Local Plan: Part 1