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                                      21/00297/B                                     Page  1  of  4

PLANNING OFFICER REPORT AND RECOMMENDATIONS

Application No. : 21/00297/B Applicant : Mr James McCullough Proposal : Alterations to existing conservatory and erection of a first floor extension Site Address : 103 Wybourn View Onchan Isle Of Man IM3 4AZ

Planning Officer: Mr Peiran Shen Photo Taken :

Site Visit :

Expected Decision Level : Officer Delegation

Recommendation

Recommended Decision:

Permitted Date of Recommendation: 26.05.2021 __

Conditions and Notes for Approval

C : Conditions for approval N : Notes attached to conditions

C 1. 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.

This application has been recommended for approval for the following reason. This application is considered to comply with General Policy 2 of the Strategic Plan.

Plans/Drawings/Information; This approval relates to the submitted documents and drawing no. 2013-003_A, 2013-004_A as having been received on 25th March 2021. __

Interested Person Status - Additional Persons

It is recommended that the following Government Departments should be given Interested Person Status on the basis that they have made written submissions relating to planning considerations:

DoI Flood Risk Management Division __

Officer’s Report

1.0 THE SITE

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1.1 The application site is the residential curtilage of 103 Wybourn View, Onchan, a two- storey detached dwelling located on end of Wybourn View. The northeast boundary is on Hillberry Road. The south boundaries of the site are next to a public walkway. There are fences and tall hedges around the side and rear boundary of the site. The house has a pitched roof.

1.2 There is an existing single-storey pitched-roof extension and a conservatory on the northeast (rear) of the main dwelling. There is also a flat-roof garage on the northwest element of the property.

2.0 THE PROPOSAL 2.1 The proposed work is the demolition of the existing single-storey rear extension and the conservatory and the erection of a two-storey pitched-roof extension on the rear elevation of the main dwelling. The proposal also includes the erection of a decking with glass fences.

2.2 The extension has a ridge that has at the same height at the main dwelling. It will have a bi-fold door and a double casement window on the ground floor and a big casement window on the gable.

2.3 The decking will be approx. 1m above ground. It is approx. 5.4m wide and projects approx. 5.5m away from the new extension.

3.0 PLANNING HISTORY 3.1 Erection of conservatory to rear elevation was APPROVED under 02/01924/B.

4.0 PLANNING POLICY 4.1 In terms of local policy, the site lies within an area designated as Predominantly Residential in the Area Plan for the East.

4.2 In terms of strategic plan policy, the Isle of Man Strategic Plan 2016 contains the following policies that are considered materially relevant to the assessment of this current planning application:

4.3 General Policy 2: "Development which is in accordance with the land-use zoning and proposals in the appropriate Area Plan and with other policies of this Strategic Plan will normally be permitted, provided that the development: (b) respects the site and surroundings in terms of the siting, layout, scale, form, design and landscaping of buildings and the spaces around them; (c) does not affect adversely the character of the surrounding landscape or townscape; (g) does not affect adversely the amenity of local residents or the character of the locality".

4.4 "8.12.1 Extensions to Dwellings in built-up areas or sites designated for residential use: As a general policy, in built-up areas not controlled by Conservation Area or Registered Building policies, there will be a general presumption in favour of extensions to an existing property where such extensions would not have an adverse impact on either adjacent property or the surrounding area in general."

4.5 Residential Design Guidance (July 2019) provides advice on the design of new houses and extensions to an existing property as well as how to assess the impact of such development on the living conditions of those in adjacent residential property.

4.6 RDG 3.2 Potential Visual Impact of an Extension upon the Existing House states a pitched roof is preferred to a flat roof, especially when it's publicly visible. However, an exception can possibly be made when the existing property has a flat/low pitched roof design.

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4.7 RDG 4.3 Two Storey Rear Extension sets out some key considerations. These include the impact on the amenities of those in neighbouring properties such as loss of light and/or overbearing. These impacts can be regulated by designing with the right depth (projection) and location. The section also specifically mentioned that the 45 degree line should be used to determine the impact on neighbouring properties.

4.8 RDG 5 sets out key considerations regarding architectural details. These include window details and external finishing. The general idea is that the extension should have a similar style with the main dwelling for a coherent appearance unless the clash between modern and traditional design can be handled with elegance.

4.9 RDG 7 sets out key considerations regarding the impact on neighbouring properties. These include the potential loss of light/overshadowing, overbearing impact upon outlook and overlooking resulting in a loss of privacy.

5.0 REPRESENTATION 5.1 Onchan District Commissioners does not oppose this application (20/05/2021).

5.2 DoI Highway Services states there is no highway interest in this application (16/04/2021).

5.3 DoI Flood Risk Management Division states there is no flood risk management interest in this application (28/04/2021).

6.0 ASSESSMENT 6.1 The main concerns for this application are its impact on the character and street scene of the area and the amenities of the neighbours.

6.2 The extension is on the rear of the property. It is designed in a similar style as the main dwelling, except for the mass use of glass pane. Considered it is at the rear of the property and there are fences and tall hedges at the rear boundary, the design is considered acceptable.

6.3 As the extension has the same height as the main dwelling and there proposal is in the middle of the site, along with the tall hedges already exist around the site, it is considered that there is no concern for overbearing or overshadowing.

6.4 The extension is two storey and the site is at the same level with the neighbouring properties. There are no door or window on the side elevations. The projection of the proposed elevation similar to the neighbouring properties' extension. Therefore, it is considered that this is no concern of overlooking.

6.5 It is considered that the decking will not create overlooking as the only neighbour within 20m of the decking is No.105 and the hedges around the site and timber fencing are both tall enough to mitigate an overlooking.

7.0 CONCLUSION 7.1 The proposal is considered to comply with General Policy 2 of the Strategic Plan. Therefore, it is recommended for an approval.

8.0 INTERESTED PERSON STATUS 8.1 By virtue of the Town and Country Planning (Development Procedure) Order 2019, the following persons are automatically interested persons: (a) the applicant (including an agent acting on their behalf); (b) any Government Department that has made written representations that the Department considers material; (c) the Highways Division of the Department of Infrastructure;

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(d) Manx National Heritage where it has made written representations that the Department considers material; (e) Manx Utilities where it has made written representations that the Department considers material; (f) the local authority in whose district the land which the subject of the application is situated; and (g) a local authority adjoining the authority referred to in paragraph (f) where that adjoining authority has made written representations that the Department considers material.

8.2 The decision-maker must determine: o whether any other comments from Government Departments (other than the Department of Infrastructure Highway Services Division) are material; and o whether there are other persons to those listed above who should be given Interested Person Status. __

I can confirm that this decision has been made by a Principal Planner in accordance with the authority afforded to that Officer by the appropriate DEFA Delegation and that in making this decision the Officer has agreed the recommendation in relation to who should be afforded Interested Person Status.

Decision Made : Permitted

Date: 28.05.2021

Determining officer

Signed : C BALMER

Chris Balmer

Principal Planner

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