18/01063/BApproved

20 November 2018 · Delegated - Head of Development Management (Stephen Butler)

Erection of extension to rear of property

169, Royal Avenue, Onchan, Isle Of Man, IM3 1ll

Received10 Oct 2018

Validated15 Oct 2018

Decided20 Nov 2018

41 days

Received10 Oct 2018

Validated15 Oct 2018

Decided20 Nov 2018

41 days

Why was this approved?

neighbour amenity (no overshadowing/overlooking)
visual impact/street scene (not visible from road, subordinate design)
materials matching existing
compliance with residential zoning
policy presumption for extensions

The proposal involves a modest single-storey extension to the rear kitchen area of a 2-storey end-terrace dwelling in a residential area of Onchan, adding 4.2 square metres with a pitched slate roof matching the existing, rendered walls to match, a Velux roof light, double patio doors, and blocking up an existing north…

Documents (6)

Officer Report Decision Notice Location Plan Application Form

Decision Notice

Officer Report

Forms

Existing and Proposed Floor Plans Elevations

10 Oct 182pp

🗺️

Site and Location Plans

10 Oct 181pp

💬

Consultation 1 Onchan District Commissioners

10 Oct 181pp

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Decision & Reasoning

Approved20 November 2018

The officer assessed impacts on neighbour amenity, finding no risks of overshadowing or overlooking as the extension sits between an existing annex and rear elevation, angled away from neighbouring re…

Policies Assessed (1)

GP2

General Policy 2

Requires development in zoned areas to respect site/surroundings in siting/layout/scale/design (b), not adversely affect townscape character (c), and not harm resident amenity or locality character (g). Officer tested the small rear extension's positioning (no amenity harm), materials/design (matching/subordinate), and low visibility, finding full compliance with no adverse impacts.

Conditions (2)

1
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 14 of the Town and Country Planning (Development Procedure) (No2) Order 2013 and to avoid the accumulation of unimplemented planning approvals.
2
Materials approval
All external roofing materials to be used shall match those of the existing building in respect of colour, type and texture. Reason: In the interests of the character and appearance of the site and surrounding area, in order to comply with General Policy 2 of the Isle of Man Strategic Plan 2016.

Public Comments (1)

SupportOnchan Commissioners(parish)

recommend the application for approval

Consultation Responses

Onchan District Commissioners considered the application and recommended that it be approved for planning purposes only.

Onchan District Commissioners

Support

The Commissioners recommend that the application be APPROVED for planning purposes only.

Source & Provenance

Official reference: 18/01063/B
Source authority: Isle of Man Government Planning & Building Control
Source system: Legacy IDOX planning platform
Official record URL: No stable public per-record URL
First indexed: 14 Sept 2025, 20:44
Last synced: 2 Mar 2026, 23:04
Licence: Isle of Man Open Government Licence

Why was this approved?

neighbour amenity (no overshadowing/overlooking)

visual impact/street scene (not visible from road, subordinate design)

materials matching existing

compliance with residential zoning

policy presumption for extensions

Policies Assessed (1)

GP2

General Policy 2

Conditions (2)

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 14 of the Town and Country Planning (Development Procedure) (No2) Order 2013 and to avoid the accumulation of unimplemented planning approvals.

Materials approval

All external roofing materials to be used shall match those of the existing building in respect of colour, type and texture. Reason: In the interests of the character and appearance of the site and surrounding area, in order to comply with General Policy 2 of the Isle of Man Strategic Plan 2016.