Max. size of machinery shed

Max. size of machinery shed

Do I Need Permission - Ask An Expert I live on a property with 7 acres total field area. This is on the opposite side of a road to the house and presently has a 14m x 7m timber barn and a 40 x 20m manege. I would like to erect a large shed to house machinery and equipment and would like to know how large a building I could erect without having to obtain planning permission.
Question Posted By – Mike Davies In Area – North East Scotland

  1. Do I Need PermissionDo I Need Permission07-09-2015

    Hello Mike.

    Is this for an agricultural use? If so this comes under Part 6 of permitted development class 18 and the following criteria would apply.

    1) The carrying out on agricultural land comprised in an agricultural unit of—
    (a) works for the erection, extension or alteration of a building;
    (b) the formation, alteration or maintenance of private ways; or
    (c) any excavation or engineering operations, requisite for the purposes of agriculture within that unit.
    (2) Development is not permitted by this class if—
    (a) the development would be carried out on agricultural land less than 0.4 hectare in area;
    (b) it would consist of or include the erection, extension or alteration of a dwelling;
    (c) a building, structure or works not designed for the purposes of agriculture would be provided on the land;
    (d) the ground area to be covered by—
    (i) any works or structure (other than a fence) for the purposes of accommodating livestock or any plant or machinery arising from engineering operations; or
    (ii) any building erected or any building as extended or altered by virtue of this class, would exceed 465 square metres, calculated as described in sub-paragraph (5);
    (e) the height of any part of the building, structure or works within 3 kilometres of the perimeter of an aerodrome would exceed 3 metres;
    (f) the height of any part of the building, structure or works outwith 3 kilometres of the perimeter of an aerodrome would exceed 12 metres;
    (g) any part of the development would be within 25 metres of the metalled portion of a trunk or classified road; or
    (h) it would consist of or include the erection or construction of, or the carrying out of any works to, a building, structure or erection used or to be used for housing pigs, poultry, rabbits or animals bred for their skin or fur or for the storage of slurry or sewage sludge, and the building, structure or works is or would be within 400 metres of the curtilage of any protected building.
    (3) Development is permitted by this class subject to the following conditions—
    (a) where development is carried out within 400 metres of the curtilage of a protected building, any building, structure, erection or works resulting from the development shall not be used for housing pigs, poultry, rabbits or animals bred for their skin or fur or for the storage of slurry or sewage sludge;
    (b) where the development involves—
    (i) the extraction of any mineral from the land or from any disused railway embankment on the land; or
    (ii) the removal of any mineral from a mineral-working deposit on the land, the mineral shall not be moved off the land, unless planning permission for the winning and working of that mineral has been granted on an application made under Part III of the
    Act;
    (c) in the case of development which involves the deposit of waste materials on or under the land, no waste materials shall be brought onto the land from elsewhere except for development of the kind described in sub-paragraph (1)(a) or the creation of a hard surface, where the materials are incorporated into the building or works forthwith.
    (4)
    (a) Development consisting of the erection of a building or the significant extension or significant alteration of a building 90 is permitted by this class subject to the following conditions:—
    (i) the developer shall, before beginning the development, apply to the planning authority for a determination as to whether the prior approval of the authority will be required to the siting, design and external appearance of the building;
    (ii) the application shall be accompanied by a written description of the proposed development, the materials to be used and a plan indicating the site together with any fee required to be paid;
    (iii) the development shall not be begun before the occurrence of one of the following:—
    (aa) the receipt by the applicant from the planning authority of a written notice of their determination that such prior approval is not required;
    (bb) where the planning authority gives the applicant notice within 28 days following the date of receiving his application of their determination that such prior approval is required, the giving of such approval;
    (cc) the expiry of 28 days following the date on which the application was received by the planning authority without the planning authority making any determination as to whether such approval is required or notifying the applicant of their determination;
    (iv) the development shall, except to the extent that the planning authority otherwise agree in writing, be carried out—
    (aa) where prior approval is required, in accordance with the details approved;
    (bb) where prior approval is not required, in accordance with the details submitted with the application;
    (v) the development shall be carried out—
    (aa) where approval has been given by the planning authority, within a period of five years from the date on which approval was given;
    (bb) in any other case, within a period of five years from the date on which the planning authority were given the information referred to in subparagraph
    (a)(ii);
    (b) development consisting of the significant extension or the significant alteration of a building, may be carried out only once in respect of that building.
    (5) For the purposes of this class—
    (a) the area of 0.4 hectares shall comprise one piece of land except within the areas of the following planning authorities, namely Argyll and Bute Council, Highland Council, Orkney Islands Council, Shetland Islands Council and Comhairle nan Eilean Siar, where the area of 0.4 hectares may be calculated by adding together the areas of separate parcels of land;
    (b) the ground area referred to in sub-paragraph (2)(d) is the sum of—
    (i) the ground area which would be covered by the proposed development; and
    (ii) the ground area of any building (other than a dwelling), or any structure, works, plant or machinery within the same unit which is being provided or has been provided within the preceding two years and any part of which would be within 90 metres of the proposed development;
    (c) the 400 metres measurement referred to in sub-paragraphs (2) and (3) is to be measured along the ground;
    (d) “protected building” means any permanent building which is normally occupied by people or would be so occupied, if it were in use for purposes for which it is apt; but does not include—
    (i) a building within the agricultural unit;
    (ii) a dwelling or other building on another agricultural unit which is used for or in connection with agriculture

    Hope this helps.

    Thanks for using Do I Need Permission.

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