Paragraph 3A Other development within the curtilage of a dwellinghouseF1

the dwellinghouse is a dwelling by virtue of a change of use permitted under class 18B or 22A,

it consists of a dwelling;

any part of the development would be forward of a wall forming part of the principal elevation or side elevation where that elevation fronts a road;

the height of the eaves would exceed 3 metres;

any part of the development would exceed 4 metres in height;

any part of the development within 1 metre of the boundary of the curtilage of the dwellinghouse would exceed 2.5 metres in height;

as a result of the development the area of ground covered by development within the front or rear curtilage of the dwellinghouse (excluding the original dwellinghouse and any hard surface or deck) would exceed 50% of the area of the front or rear curtilage respectively (excluding the ground area of the original dwellinghouse and any hard surface or deck); F3...

in the case of land F4... within the curtilage of a listed building, the resulting building would have a footprint exceeding 4 square metres F5, or

in the case of land in a conservation area, the resulting building would have a footprint exceeding 8 square metres.