SD25B/0402

Retention and completion of alteration works, for non-habitable purposes, to pre - existing garden shed at rear of dwelling - house. The alteration works consist of increasing ridge / wall height of shed to create loft area and single storey extension to side of shed

Refused

Core Refusal Reason

The development constitutes overdevelopment and provides substandard residential amenity, failing to comply with specific design guidelines for garden rooms and the site's residential zoning objective.

Decision Maker's Conclusion

  • The proposed form and layout represent overdevelopment of the site, resulting in a substandard level of residential amenity for future occupants.
  • The works fail to comply with Built Form Principle 6 of the South Dublin County Council House Extension Design Guide (2025) regarding detached garden rooms and sheds.
  • The development contravenes the 'RES' zoning objective to protect residential amenity and would set an undesirable precedent for similar substandard development in the area.

Cited Policies (CDP)

Built Form Principle 6 - Detached Garden Rooms and ShedsSouth Dublin County Council House Extension Design Guide (2025)RES zoning objective

Decision Document Summary

This application sought the retention and completion of alteration works for non-habitable purposes at 1 Ballycullen Cottages, Dublin 16. The local authority refused permission because the scale and layout of the structure were deemed to be overdevelopment that negatively impacts residential amenity. The proposal was found to be in direct conflict with the South Dublin County Council House Extension Design Guide (2025) and the 'RES' zoning objective, which aims to protect the character and quali...
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