Core Planning Reasoning
The proposed development is excessively scaled and overbearing, failing to respect the established single-storey architectural character of the streetscape and resulting in significant negative impacts on the residential amenity of the adjacent property (No. 51) due to loss of daylight and visual intrusion.
Decision Maker's Conclusion
- The proposed development, by reason of its design, height, scale, and mass, is out of character with the established visual harmony of the area and would appear significantly overbearing on the streetscape.
- The extension would result in a significant loss of daylight to a south-facing window of the adjoining property to the north (No. 51), exacerbating existing amenity constraints.
- The proposal constitutes overdevelopment of the site and sets an undesirable precedent that conflicts with County Development Plan policies intended to protect and improve residential amenity.
Cited Policies (CDP)
Objective ASection 12.3.7Section 12.3.7.1Section 12.3.9Section 12.4.8Section 12.8.3Section 12.8.7.2Objective PHP19Objective PHP20Objective PHP42Objective HER20Objective HER21
Decision Document Summary
The application seeks a two-storey side and rear extension to an existing single-storey gable-fronted house at 50 Glengara Park, increasing the floor area from 85.75 sqm to 210.25 sqm. While Dun Laoghaire Rathdown County Council originally granted permission subject to a condition requiring the side extension to be set back, the decision was appealed by a third party. The site is located in a mature housing development within a distinct row of predominantly single-storey dwellings. The Inspector...SOURCE PDFOpen Original
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