SD22A/0136

3 new two and a half storey houses with vehicular access to each off St. Patrick's Cottages and a single storey extension and alterations to No. 51 Grange Park including a new vehicular entrance off St. Patricks Cottages; sundry site works including closing up the two existing vehicular entrances off Whitechurch Road, landscaping, fencing and site works.

Refused

Core Refusal Reason

The Inspector recommended a grant of permission as the development complies with the 'RES' zoning objective, satisfies the criteria for family flat extensions in the South Dublin County Development Plan 2022-2028, and would not significantly impact visual or residential amenities through overlooking or overshadowing.

Decision Maker's Conclusion

  • The principle of a family flat extension is acceptable under the 'RES' zoning, as it is intended for immediate family members and maintains internal connectivity with the main dwelling.
  • The proposed extension's scale and design are appropriate for the suburban context and will not detract from the existing streetscape or result in significant loss of sunlight to neighboring properties.
  • Residential amenity concerns regarding overlooking are mitigated by the presence of a mature party boundary (coniferous hedging) and the applicant's revision to use smaller casement windows.

Cited Policies (CDP)

RES ZoningSection 6.8.2 Policy H15H15 Objective 1Section 6.8.2 Policy H14H14 Objective 1Section 12.6.8South Dublin County Council House Extension Design Guide 2010

Decision Document Summary

This report concerns a third-party appeal against South Dublin County Council's decision to grant permission for a 97.44sq.m. two-story 'granny flat' extension to the side of 48 Dargle Wood, Knocklyon. The appellant, a neighbor at No. 47, cited concerns regarding overlooking of their private open space and loss of sunlight. The Inspector found that the proposal meets all Development Plan criteria for family flats, including being less than 50% of the original floor area and providing no independ...
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