[{"fact":"fd47a65d6e55f314e684026cb692860796e4eb8ace2ee0d284fb569d28b6ecd2","entity":11500206,"reference-entity":"","field":"description","value":"The enlargement, improvement or other alteration of a dwellinghouse so long as: (a) the cubic content of the original dwellinghouse (as ascertained by external measurement) is not exceeded by more than 50 cubic metres or one-tenth whichever is the greater, subject to a maximum of 115 cubic metres: (b) the height of the building as so enlarged, altered or improved does not exceed the height of the highest part of the roof of the original dwellinghouse; (c) no part of the building as so enlarged, altered or improved projects beyond the forewardmost part of any wall of the original dwellinghouse which fronts on a highway: Provided that the erection of a garage, stable loose-box or coach-house within the curtilage of the dwellinghouse shall be treated as the enlargement of the dwellinghouse for all purposes of this permission including the calculation of cubic contents.","entity-name":"Development within the curtilage of a dwellinghouse","entity-prefix":"permitted-development-right","entity-reference":"I1-1977","earliest-entry-date":"2025-10-20","latest-entry-date":"2025-10-20","latest-resource":"3aa369d7c1964524f55cc3b369eeeb0c8650f42799658e725e28d5e41b03ad98","resources":""}]