5280/22

PROTECTED STRUCTURE: Permission for the construction of a 166 sqm two-storey detached building containing a ''granny-flat'', at first floor level and a car garage/garden store/ entrance hall/w.c. at ground floor level, to the rear of, and ancillary to, her home at No. 16 Leeson Park, Dublin 6, (a Protected Structure), and accessed via the back garden and a private, unnamed, lane to the rear (west) of her property.

Refused

Core Refusal Reason

The Inspector recommended granting permission, reversing the Planning Authority's refusal, on the basis that the proposed ancillary accommodation is acceptable in principle at this location and the contemporary design respects the setting of the Protected Structure and the character of the Residential Conservation Area.

Decision Maker's Conclusion

  • The proposed development is acceptable as ancillary accommodation to the main dwelling, and concerns regarding its detached nature can be addressed through planning conditions restricting its use and preventing separate sale.
  • The high-quality contemporary design and subordinate scale of the building appropriately distinguish it from the Protected Structure and do not negatively impact the architectural character or setting of the conservation area.
  • The positioning of the building and the absence of gable windows ensure that there will be no significant adverse impacts on the residential amenities of neighboring properties in terms of overlooking or overshadowing.

Cited Policies (CDP)

Dublin City Development Plan 2022-2028Zoning Objective Z2Policy BHA1Policy BHA2Policy BHA9Section 15.13.5 (Mews)Section 15.13.5.1 (Design and Layout)Section 15.13.5.2 (Height, Scale and Massing)Appendix 18 Section 7.0 (Ancillary Family Accommodation)

Decision Document Summary

The application seeks permission for a two-storey detached building (166 sqm) at the rear of 16 Leeson Park, a Protected Structure. The building is designed to accommodate a 'granny flat' at the first-floor level with a garage and storage at ground level, accessed via a private rear laneway. While Dublin City Council refused the application citing non-compliance with 'granny flat' standards (due to it being a separate detached unit) and potential impacts on heritage, the Inspector found the prop...
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