24 December 2025 · Delegated - Principal Planner A Morgan
Trollaby Farm, Trollaby Lane, Union Mills, Isle Of Man, IM4 4aw
The proposal involves building a 30.4m x 19.8m agricultural shed with eaves at 3.6m and ridge at 6.2m, finished in concrete panel base, Yorkshire boarding and metal sheeting, sited in the corner of field 321282 at Trollaby Farm.
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The officer assessed the principle as acceptable under General Policy 3(f) due to proven agricultural need for an active farm, supported by DEFA Agriculture and aligning with the Food Matters Strategy…
General Policy 3
Sets exceptions to countryside development restrictions for operations essential to agriculture under (f). Officer found justified need for cattle housing/machinery store on established farm met this test, outweighing general presumption against development.
Environment Policy 1
Protects countryside for its own sake from harmful/unwarranted development. Siting causes some adverse visual impact from public views by extending into open field, but agricultural need outweighs harm.
Environment Policy 15
Requires agricultural buildings close to existing groups, appropriate scale, sympathetic to landscape. Building extends outwards but read with farm cluster, functional design fits character; need justifies exception.
General Policy 2
General standards for acceptable development, including amenity under (g). No conflicts due to distances/vegetation preventing noise/activity/outlook impacts on neighbours.
Recreation Policy 5
Protects public footpaths. Proposal at least 13m from trees/paths with no works affecting them; stock-proof fencing during construction.
Time limit
The development hereby approved shall be begun before the expiration of four years from the date of this decision notice. Reason: To comply with Article 26 of the Town and Country Planning (Development Procedure) Order 2019 and to avoid the accumulation of unimplemented planning approvals.
Agricultural use only
The building hereby approved shall be for agricultural use only. Reason: The application has been assessed on agricultural use only in the interest of justified need and in the interest of protecting the countryside from unwarranted development.
Removal if disused
In the event that the agricultural buildings hereby approved is no longer used for agricultural purposes for a period exceeding 12 months, the building shall be removed (including any foundations or hardstanding) and the ground restored to its former condition within 6 months of the date the use ceased. Reason: The building has been exceptionally approved solely to meet agricultural need and any subsequent retention including of any foundations would result in an unwarranted intrusion in the countryside.
Materials approval
Prior to the first use of the building hereby approved, the external elevations and roof shall be finished in full accordance with drawing number P7216-01 Proposed New Agricultural Building (date stamped and received 28 Jun 2024) and retained as such thereafter. Reason: To ensure the palette of materials matches that as approved and as assessed in the interest of character and appearance of the site and surroundings, and on the basis of the buildings outlined agricultural need for cattle housing.
in support as active farm needing essential infrastructure for livestock housing and machinery storage, consistent with farm needs and cattle welfare code/BS5532 ventilation standards
do not oppose, no significant negative impact on highway safety as site off rural single track lane with internal traffic movements
Highway Services HDC, DEFA Agriculture Lands Directorate, and Marown Parish Commissioners all raised no objections to application 24/00769/B for an agricultural shed, with minor advisory comments and one condition requested by the parish.
Highway Services HDC
No ObjectionAfter reviewing this Application, Highway Services HDC finds it to have no significant negative impact upon highway safety, network functionality and/or parking as the site is off a rural single track lane with slow moving traffic and can keep traffic movements internally within the site rather than moving livestock/equipment further afield.
DEFA Agriculture Lands Directorate
Conditional No ObjectionI support this planning application (subject to compliance with the cattle welfare code and meeting BS5532) and encourage its approval, recognising the value it brings to the agricultural sector and the local community.; the shed design must meet the ventilation performance standards required under BS5532 if it is to be used to house livestock.; Isle of Man Welfare Code for Cattle (May 2006) should be taken into consideration, particularly the section on ventilation
Conditions requested: subject to compliance with the cattle welfare code and meeting BS5532
Marown Parish Commissioners
Conditional No ObjectionThe Commissioners have NO OBJECTION to the following: 24/00769/B - Erection of agricultural shed - Trollaby Farm, Trollaby Lane, Union Mills NB - the Commissioners would however ask that a Condition is added that the barn is to be used for agricultural purposes only
Conditions requested: Condition is added that the barn is to be used for agricultural purposes only
