{
  "url": "https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-24n1/paragraph-A.1",
  "json_url": "https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-24n1/paragraph-A.1.json",
  "legislation": "uksi/1995/418",
  "legislation_title": "The Town and Country Planning (General Permitted Development) Order 1995",
  "legislation_url": "https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995",
  "path": "schedule/2/part/24n1/paragraph/A.1",
  "kind": "paragraph",
  "number": "A.1",
  "heading": "Development not permitted",
  "text": "Development is not permitted by Class A(a) if—\n(a) in the case of the installation of ground-based apparatus (other than a mast), the apparatus, excluding any antenna, would exceed a height of 15 metres above ground level;\n(b) in the case of the alteration or replacement of ground-based apparatus (other than a mast), the apparatus excluding any antenna, would when altered or replaced exceed—\n(i) the height of the existing apparatus, or\n(ii) a height of 15 metres above ground level,\nwhichever is the greater;\n(c) in the case of the installation of a ground-based mast, the mast, excluding any antenna, would exceed a height of—\n(i) 20 metres above ground level where the mast is on protected land; or\n(ii) 25 metres above ground level where the mast is on unprotected land;\n(d) in the case of the alteration or replacement of a ground-based mast on protected land, the mast, excluding any antenna, would when altered or replaced exceed—\n(i) the height of the existing mast, or\n(ii) a height of 20 metres above ground level,\nwhichever is the greater;\n(e) in the case of the alteration or replacement of a ground-based mast on unprotected land, the mast, excluding any antenna, would when altered or replaced exceed—\n(i) the height of the existing mast, or\n(ii) a height of 25 metres above ground level,\nwhichever is the greater;\n(f) in the case of the alteration or replacement of a ground-based mast—\n(i) where the mast is on article 1(5) land or on unprotected land, the mast would when altered or replaced exceed its original width at any given height by more than one metre or one third whichever is the greater;\n(ii) where the mast is on land which is or is within a site of special scientific interest, the mast would when altered or replaced exceed its original width at any given height;\n(g) in the case of the installation, alteration or replacement of apparatus on a building or other structure—\n(i) the height of the apparatus (taken by itself) would exceed—\n(aa) 15 metres, where it is installed, or is to be installed, on a building or other structure which is 30 metres or more in height; or\n(bb) 10 metres in any other case;\n(ii) the highest part of the apparatus when installed, altered or replaced would exceed the height of the highest part of the building or structure by more than—\n(aa) 10 metres, in the case of a building or structure which is 30 metres or more in height;\n(bb) 8 metres, in the case of a building or structure which is more than 15 metres but less than 30 metres in height; or\n(cc) 6 metres in any other case;\n(h) in the case of the installation, alteration or replacement of apparatus (other than an antenna) on a mast, the height of the mast would, when the apparatus was installed, altered or replaced, exceed any relevant height limit specified in respect of apparatus in sub-paragraphs (c) to (g) and for the purposes of applying the limit specified in sub-paragraph (g)(i), the words “(taken by itself)” are to be omitted;\n(i) in the case of the installation, alteration or replacement of any apparatus other than—\n(i) a mast,\n(ii) an antenna,\n(iii) a public call box,\n(iv) any apparatus which does not project above the level of the surface of the ground, or\n(v) radio equipment housing,\nthe ground or base area of the structure would exceed 1.5 square metres;\n(j) in the case of the installation, alteration or replacement of an antenna on a building or structure (other than a mast) which is less than 15 metres in height, on a mast located on such a building or structure, or, where the antenna is to be located below a height of 15 metres above ground level, on a building or structure (other than a mast) which is 15 metres or more in height—\n(i) in the case of antennas other than Regulation 2020/1070 small cell systems or small cell systems, the antenna is to be located on a wall or roof slope facing a highway which is within 20 metres of the building or structure on which the antenna is to be located;\n(ii) in the case of dish antennas, the size of any dish would exceed 0.9 metres or the aggregate size of all of the dishes on the building, structure or mast would exceed 4.5 metres, when measured in any dimension;\n(iii) in the case of antennas other than dish antennas, Regulation 2020/1070 small cell systems or small cell systems, the development would result in the presence on the building or structure of—\n(aa) more than four antenna systems; or\n(bb) any antenna system operated by more than four electronic communications code operators; or\n(iv) the building or structure is a listed building or a scheduled monument;\n(k) in the case of the installation, alteration or replacement of an antenna on a building or structure (other than a mast) which is 15 metres or more in height, or on a mast located on such a building or structure, where the antenna is located at a height of 15 metres or above, measured from ground level—\n(i) in the case of dish antennas, the size of any dish would exceed 1.3 metres or the aggregate size of all of the dishes on the building, structure or mast would exceed 10 metres, when measured in any dimension;\n(ii) in the case of antennas other than dish antennas, Regulation 2020/1070 small cell systems or small cell systems, the development would result in the presence on the building or structure of—\n(aa) more than five antenna systems; or\n(bb) any antenna system operated by more than four electronic communications code operators; or\n(iii) the building or structure is a listed building or a scheduled monument;\n(l) in the case of development on any protected land it would consist of—\n(i) the installation or alteration of an antenna other than a Regulation 2020/1070 small cell system or a small cell system, or of any apparatus which includes or is intended for the support of such an antenna; or\n(ii) the replacement of an antenna or such apparatus by an antenna other than a Regulation 2020/1070 small cell system or a small cell system, or apparatus which differs from that which is being replaced,\nunless the development is carried out in an emergency or is development described in the introductory words to sub-paragraph (m) and which is allowed by the paragraphs which follow those introductory words;\n(m) in the case of the installation of an additional antenna on existing electronic communications apparatus on a building or structure (including a mast) on any protected land—\n(i) in the case of dish antennas, the size of any additional dishes would exceed 0.6 metres, and the number of additional dishes on the building or structure would exceed three; or\n(ii) in the case of antennas other than dish antennas, Regulation 2020/1070 small cell systems or small cell systems, any additional antennas would exceed three metres in height, and the number of additional antennas on the building or structure would exceed three;\n(n) it would consist of the installation, alteration or replacement of system apparatus within the meaning of section 8(6) of the Road Traffic (Driver Licensing and Information Systems) Act 1989 (definitions of driver information systems etc.);\n(o) in the case of the installation of a mast, on a building or structure which is less than 15 metres in height, such a mast would be within 20 metres of a highway;\n(p) in the case of the installation, alteration or replacement of radio equipment housing—\n(i) the development is not ancillary to the use of any other electronic communications apparatus;\n(ii) the cumulative volume of such development would exceed 90 cubic metres or, if located on the roof of a building, the cumulative volume of such development would exceed 30 cubic metres; or\n(iii) on any protected land, any single development would exceed 2.5 cubic metres, unless the development is carried out in an emergency;\n(q) in the case of the installation, alteration or replacement on a dwellinghouse or within the curtilage of a dwellinghouse of any electronic communications apparatus, that apparatus—\n(i) is not a Regulation 2020/1070 small cell system or a small cell system;\n(ii) being a Regulation 2020/1070 small cell system or a small cell system, is or would be on any protected land or within a World Heritage Site, unless the development is carried out in an emergency or is development which is allowed by sub-paragraph (r);\n(iii) being a small cell system, would result in the presence on that dwellinghouse or within the curtilage of that dwellinghouse of more than two small cell systems; or\n(iv) being a small cell system, is to be located on a roof or on a chimney so that the highest part of the antenna would exceed in height the highest part of that roof or chimney respectively;\n(r) in the case of the installation, alteration or replacement on protected land or within a World Heritage Site of a Regulation 2020/1070 small cell system or a small cell system on a dwellinghouse or within the curtilage of a dwellinghouse, the antenna—\n(i) is to be located—\n(aa) on a chimney;\n(bb) on a building which exceeds 15 metres in height;\n(cc) on a wall or roof slope which fronts a highway; or\n(dd) on a roof, other than a roof slope which fronts a highway, so that the highest part of the antenna would exceed in height the highest part of that roof;\n(ii) is or would be on protected land (other than a conservation area) and would result in the presence on that dwellinghouse or within the curtilage of that dwellinghouse of more than either—\n(aa) two Regulation 2020/1070 small cell systems;\n(bb) two small cell systems; or\n(cc) one Regulation 2020/1070 small cell system and one small cell system; or\n(iii) is or would be in a conservation area or within a World Heritage site and would result in the presence on that dwellinghouse or within the curtilage of that dwellinghouse of more than one Regulation 2020/1070 small cell system or one small cell system;\n(s) in the case of the installation, alteration or replacement of a Regulation 2020/1070 small cell system or a small cell system on a building or other structure, which is not a dwellinghouse or within the curtilage of a dwellinghouse, in a conservation area or World Heritage Site—\n(i) unless the development is carried out in an emergency;\n(ii) the installation of a Regulation 2020/1070 small cell system or a small cell system would result in the presence on the building or other structure of more than either—\n(aa) two Regulation 2020/1070 small cell systems;\n(bb) two small cell systems; or\n(cc) one Regulation 2020/1070 small cell system and one small cell system; or\n(iii) the replacement or alteration of a Regulation 2020/1070 small cell system or a small cell system would result in the presence on the building or other structure of more than either—\n(aa) two Regulation 2020/1070 small cell systems;\n(bb) two small cell systems;\n(cc) one Regulation 2020/1070 small cell system and one small cell system; or\n(dd) if greater, the number of Regulation 2020 small cell systems or small cell systems on the building or other structure before alteration or replacement of the antenna.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Order revoked (E.) (15.4.2015) by The Town and Country Planning (General Permitted Development) (England) Order 2015 (S.I. 2015/596), art. 1(1), Sch. 4 para. 1 (with arts. 1(2), 8(2)(3))"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Sch. 2 Pt. 24 substituted (W.) (1.4.2019) by The Town and Country Planning (General Permitted Development) (Amendment) (Wales) Order 2019 (S.I. 2019/330), art. 1(2), Sch. 2"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in Sch. 2 Pt. 24 Class A para. A.1(h) substituted (W.) (21.12.2020) by The Town and Country Planning (General Permitted Development) (Amendment) (No. 3) (Wales) Order 2020 (S.I. 2020/1318), arts. 1(2), 4(5)(a)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Words in Sch. 2 Pt. 24 Class A para. A.1(j)(i) substituted (W.) (21.12.2020) by The Town and Country Planning (General Permitted Development) (Amendment) (No. 3) (Wales) Order 2020 (S.I. 2020/1318), arts. 1(2), 4(5)(b)(i)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "Sch. 2 Pt. 24 Class A para. A.1(j)(iii) substituted (W.) (21.12.2020) by The Town and Country Planning (General Permitted Development) (Amendment) (No. 3) (Wales) Order 2020 (S.I. 2020/1318), arts. 1(2), 4(5)(b)(ii)"
    },
    {
      "type": "F",
      "label": "F6",
      "text": "Sch. 2 Pt. 24 Class A para. A.1(k)(ii) substituted (W.) (21.12.2020) by The Town and Country Planning (General Permitted Development) (Amendment) (No. 3) (Wales) Order 2020 (S.I. 2020/1318), arts. 1(2), 4(5)(c)"
    },
    {
      "type": "F",
      "label": "F7",
      "text": "Sch. 2 Pt. 24 Class A para. A.1(l) substituted (W.) (21.12.2020) by The Town and Country Planning (General Permitted Development) (Amendment) (No. 3) (Wales) Order 2020 (S.I. 2020/1318), arts. 1(2), 4(5)(d)"
    },
    {
      "type": "F",
      "label": "F8",
      "text": "Words in Sch. 2 Pt. 24 Class A para. A.1(m)(ii) inserted (W.) (21.12.2020) by The Town and Country Planning (General Permitted Development) (Amendment) (No. 3) (Wales) Order 2020 (S.I. 2020/1318), arts. 1(2), 4(5)(e)"
    },
    {
      "type": "F",
      "label": "F9",
      "text": "Sch. 2 Pt. 24 Class A para. A.1(q)-(s) substituted for Sch. 2 Pt. 24 Class A para. A.1(q)-(t) (W.) (21.12.2020) by The Town and Country Planning (General Permitted Development) (Amendment) (No. 3) (Wales) Order 2020 (S.I. 2020/1318), arts. 1(2), 4(5)(f)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/24n1/paragraph/A.1",
    "retrieved_at": "2026-10-29T13:15:58.850730+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}