| http://www.w3.org/ns/prov#value | - (j)the addition or enlargement, alteration or improvement of a detached dwelling-house, semi-detached house or terrace house including the erection of a car porch, garage, lavatory and other out-buildings, so long as the floor area of the addition or enlargement does not exceed a total of 20 square metres subject to the following conditions:
|
