1. Subject to paragraph 3, a greenhouse.
2. A building used, subject to paragraph 3, for agriculture, or a building principally for the keeping of animals, provided in each case that—E+W
(a)no part of the building is used as a dwelling;
(b)no point of the building is less than one and a half times its height from any point of a building which contains sleeping accommodation; and
(c)the building is provided with a fire exit which is not more than 30 metres from any point in the building.
3. The descriptions of buildings in paragraphs 1 and 2 do not include a greenhouse or a building used for agriculture if the principal purpose for which they are used is retailing, packing or exhibiting.E+W
4. In paragraph 2, “agriculture” includes horticulture, fruit growing, the growing of plants for seed and fish farming.E+W