# The Crop Residues (Burning) Regulations 1993, Paragraph 4


No crop residue may be burned–
(a) if the area to be burned is less than 150 metres from any other area in which crop residues are being burned;
(b) in the case of cereal straw or cereal stubble, less than 15 metres, and in any other case less than 5 metres from–
(i) the trunk of any tree (including any tree in coppice or scrubland);
(ii) any hedgerow;
(iii) any fence not the property of the occupier of the land upon which the burning is carried out;
(iv) any pole which is or may be used to carry telegraph or telephone wires; (v) any electricity pole, pylon or substation;
(c) in the case of cereal straw or cereal stubble, less than 50 metres, and in any other case less than 15 metres from–
(i) any residential building;
(ii) any structure having a thatched roof;
(iii) any building, structure, fixed plant or machinery which could be set alight or damaged by heat from the fire;
(iv) any scheduled monument which could be set alight by the fire;
(v) any stack of hay or straw;
(vi) any accumulation of combustible material other than crop residues removed in the making of a fire-break;
(vii) any mature standing crop;
(viii) any woodland or land managed as a nature reserve;
(ix) any building or structure containing livestock;
(x) any oil or gas installation on or above the surface of the ground; or
(d) less than 100 metres from–
(i) any motorway;
(ii) any dual carriageway;
(iii) any A-road;
(iv) any railway line.

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Source: https://www.legislation.gov.uk/uksi/1993/1366/schedule/2/paragraph/4 (the official version)
Page: https://openlegislation.uk/crop-residues-burning-regulations-1993/schedule-2/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.