Paragraph A.2 Development not permitted

In the case of a dwellinghouse on article 1(5) land or within a World Heritage Site, development is not permitted by Class A if—

(a)

it would consist of or include the cladding of any part of the exterior of the existing dwellinghouse with stone, artificial stone, pebble dash, render, timber, plastic, metal or tiles;

(b)

it would consist of or include external wall insulation;

(c)

the enlarged part of the dwellinghouse would have a single storey, would extend beyond a wall comprised in a side elevation of the original dwellinghouse and would—

(i)

extend beyond the relevant part or, as the case may be, any of the relevant parts of a wall comprised in a side elevation of the original dwellinghouse by more than 3 metres; or

(ii)

be set back, by less than 1 metre, from the nearest point in any wall comprised in the principal elevation of the original dwellinghouse; or

(d)

the enlarged part of the dwellinghouse would have more than one storey, either in its own right or if considered together with any part of the existing dwellinghouse.