16 July 2020 · Delegated - Principal Planner (Sarah Corlett)
Thie Grianagh, Brookfield Avenue, Castletown, Isle Of Man, IM9 1tl
The proposal involves multiple extensions to a two-storey detached dwelling in a residential cul-de-sac: a single-storey flat-roof extension (4.1m x 7.1m, 3m high) to the rear of the garage for a therapy pool room with vertical timber cladding; a two-storey rear extension (3.2m x 4.7m) to the kitchen creating an open-p…
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The officer assessed the proposal against General Policy 2 (GP2) of the IOM Strategic Plan and the Residential Design Guide (RDG) 2019, concluding it complies as the works are 'not considered to have …
General Policy 2
GP2 permits development in residential zones if it respects site/surroundings in siting/layout/scale/design/landscaping (b), does not adversely affect townscape character (c), protects resident amenity/locality character (g), and considers energy reduction (n). The officer tested the extensions' design (flat roofs matching existing, matching materials), positioning (rear/subordinate, 3.9m+ from boundaries), lack of overlooking, and highway/pedestrian improvements, finding full compliance with no detrimental impacts.
Residential Design Guide 2019 Section 3.1
Provides guidance on house extensions to maintain character/form, considering relationship to original building (materials/design), adjoining properties (building/roof lines), and roof pitch/shape/materials. The officer applied this to confirm the proposal reflects/enhances the existing property and setting through sympathetic flat-roof extensions, matching materials, and integration without jarring forms, welcoming well-judged modern elements like cladding where successfully contextualised.
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.
Landscape plan and replacement planting
The development hereby approved shall not be commenced until a landscape plan showing suitable replacement planting to mitigate for the loss of 2 Ornamental Cherry trees and the existing trees marked for retention has been submitted to and approved in writing by the Department. Any trees or plants indicated on the approved scheme which, within a period of five years from the date of planting, die, are removed or become seriously damaged or diseased shall be replaced during the next planting season with other trees or plants of a species and size to be first approved in writing by the Department. Reason: To safeguard the appearance of the development and the surrounding area.
do not oppose
Department of Infrastructure (DOI) Highways Division responded with 'Do not oppose' (DNO) on 27.05.2020 with no conditions requested.
Department of Infrastructure (DOI) Highways Division
No ObjectionDo not oppose; DNO on 27.05.2020; Highway Services Comment made: Do not oppose
