13 August 2021 · Delegated - Principal Planner (Chris Balmer)
56, Summerhill Road, Onchan, Isle Of Man, IM3 1nf
The proposal involved a side extension adding a first floor above the existing garage and a rear redesign replacing a lean-to with a pitched extension over three floors, increasing the footprint from 90sqm to 106sqm, using slate tiling, white render, and aluminium windows.
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The officer assessed the proposal against General Policy 2 (GP2) of the Isle of Man Strategic Plan and DEFA Residential Design Guidance, focusing on design/appearance and residential amenity.
General Policy 2
GP2 permits development in residential areas provided it respects site/surroundings in siting, layout, scale, form, design (b); does not adversely affect character of townscape (c); and does not harm amenity of residents or locality character (g). The officer tested the rear extension's scale, roof, and window against these, finding failure due to incongruous appearance harming street scene uniformity and overlooking breaching amenity protection. DEFA Residential Design Guidance supplemented this, emphasising subordinate extensions and 20m overlooking rule.
no highways interest in this application
Multiple neighbouring residents from The Park and Onchan District Commissioners object to the application due to privacy loss from the proposed second-floor attic window and incompatibility with the streetscape; DOI Highways has no interest.
Key concern: Loss of privacy to neighbouring properties from floor-to-ceiling attic window
DOI Highways
No ObjectionNo Highways Interest; NHI on 01.07.2021
Onchan District Commissioners
ObjectionThe Commissioners recommend that the application be REFUSED on the grounds that: 'Loss of privacy to neighbouring properties and not in keeping with the streetscape.'
Resident at 29 The Park
Objectionthe proposals in respect of the rear significantly change the character and appearance of the property, is not in keeping with the surrounding properties (visual impact), will have a fundamental impact on neighbouring properties (privacy) and does not comply with many aspects of the Residential Design Guidance 2019 ("RDG 2019").; None of the rear of the houses of 52-70 Summerhill Road have a second floor elevation as per the applicant's proposal.; the extension as proposed and particularly the attic room with a floor to ceiling window which is at a higher elevation than that which is existing or of any neighbouring properties, will undoubtedly have an adverse effect on the ground floor living rooms or kitchens and their private gardens in the neighbouring properties of The Park
Resident at 26 The Park
ObjectionAs the property immediately behind the proposed development I have concerns about my privacy being compromised specifically in respect of the second floor “office” detailing a floor to ceiling window on the elevation overlooking my property.; Why would an office require a floor to ceiling window? Natural light could be obtained by roof lights on a side elevation overlooking no-one.
Resident at 27 The Park
ObjectionWe live at 27 The Park which is one of the properties between 26 – 30 The Park and have concerns about our privacy specifically in respect of the second floor. Office which is up to ridge height and details a floor to ceiling window on the elevation overlooking our property
