29 January 2026 · Delegated - Principal Planner (A Morgan, Interim Director of Planning and Building Control)
Ballachrink Mill, Old Castletown Road, Santon, Isle Of Man, IM4 1he
The proposal involves demolishing an existing small timber-clad single-storey extension and rear deck at Ballachrink Mill, replacing it with a larger single-storey stone and slate extension providing bedrooms, gym, pool room and boot room, plus fire escape steps, flue, oil tank relocation and removal of two hawthorn tr…
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The officer assessed the amended proposal against Housing Policy 15 requiring extensions to traditional rural properties to respect proportion, form and appearance, finding the reduced size, scale, ma…
Housing Policy 15
Requires extensions to traditional rural properties to respect proportion, form and appearance; no more than 50% floorspace increase exceptionally. Officer tested amended single-storey extension's reduced footprint, eaves/ridge matching host, rear/subordinate positioning and stone/slate finishes as compliant, unlike original larger scheme's overbearing massing.
General Policy 2
Sets general standards for acceptable development including visual amenity (b,c,g,h,i). Proposal met tests for no harm to landscape/townscape character, neighbour amenity and highway safety due to site setbacks and rural separation.
Environment Policy 42
Promotes development responsive to locality in design. Stone/slate materials, simple form and integration with wooded rural valley character satisfied policy.
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.
Materials - walls
Prior to occupation of the extension hereby approved the external walls of the approved extension must be finished in traditionally laid stone and retained as such thereafter. Reason: the application has been assessed on this basis as detailed in the submission, and in the interests of the character and appearance of the site, surrounding area and cohesion with the existing mill building.
Materials - roof
With exception to any solar panel or rooflights, the pitched roof of the extension hereby approved shall be finished in dark coloured slate or dark coloured slate effect roof covering and retained as such thereafter. Reason: the application has been assessed on this basis as detailed in the submission, and in the interests of the character and appearance of the site, surrounding area and cohesion with the existing mill building.
no comments
DEFA Forestry responded with concerns about tree constraints shown on submitted plans 11 and 21, stating their comments are based solely on those plans and a site visit would not change their position unless plans are resubmitted accurately.
Key concern: proposals constrained by trees as shown on plans 11 and 21
DEFA Forestry
Our comments are entirely based on the detail you submitted as part of the process and are specifically related to the plans labelled 11 and 21.; These plans very clearly show that your proposals are constrained by trees and this is supported by the aerial photos on our system.; A visit to your property will not alter our comments, for as stated, these are based on the plans you provided.; If these plans are incorrect you will have to resubmit accurate ones to planning
