Core Reason for the Refused Part
The Inspector recommended granting permission (overturning the Planning Authority's split decision refusal of the dormer), concluding that the development would not seriously injure the visual or residential amenities of the area, provided the porch projection is modified to 1.5 metres.
Decision Maker's Conclusion
- The proposed porch is acceptable in scale and design, provided its depth is reduced to 1.5 metres to maintain the intact building line and comply with the House Extension Design Guide.
- Although the rear dormer exceeds the ridge height by 130mm, it is considered acceptable as the site backs onto an industrial estate (a non-sensitive receptor) and will not be visually prominent from the street.
- Similar dormer extensions have been permitted at nearby properties (Nos. 13 and 21 Mayberry Park), establishing a precedent for this type of development in the immediate vicinity.
Cited Policies (CDP)
South Dublin County Council Development Plan 2016-2022Section 11.3.3 (Extensions to Dwellings)Policy H18 Residential ExtensionsH18 Objective 1South Dublin County Council House Extension Design Guide 2010
Decision Document Summary
This report concerns a first-party appeal against a split decision by South Dublin County Council regarding a proposed front porch and rear attic dormer at 14 Mayberry Park, Tallaght. The Planning Authority had refused the dormer element, citing its unusual 'box-type' design and height above the ridge line. The Inspector noted that while the dormer does not strictly adhere to the South Dublin House Extension Design Guide, there are significant mitigating factors, including the fact that the prop...SOURCE PDFOpen Original
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