# The Town and Country Planning (General Permitted Development) (Amendment) (Wales) Order 2013, Paragraph B.5: Interpretation of Class B


For the purposes of paragraph B.1(b), a hip to gable extension which would result in the enlargement of the area of an existing roof slope forming the principal elevation of the dwellinghouse is not to be taken to be development extending beyond the plane of that roof slope.

---
Source: https://www.legislation.gov.uk/wsi/2013/1776/schedule/paragraph/B.5 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-amendment-wales-order-2013/schedule/paragraph-B.5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.