SD26A/0088W

Alterations to previously granted planning application (SD24A/0204), including extended ground floor footprint to granted dormer bungalow and new detached habitable garden room with revised site layout.

Split decision

Core Reason for the Refused Part

The proposed detached garden room constitutes a sub-standard standalone residential unit that fails to meet minimum floor area and amenity requirements.

Decision Maker's Conclusion

  • The proposed garden room is inappropriate in layout and access, functioning as a standalone habitable structure rather than an ancillary building.
  • The internal floor area of approximately 32.8sq.m fails to meet the minimum residential standards and private amenity space requirements for a one-bedroom house.
  • The development would result in an unacceptable standard of residential amenity for future occupiers and contravenes the RES zoning objective and consolidation policies of the South Dublin County Development Plan 2022-2028.

Cited Policies (CDP)

Policy H7: Residential Design and LayoutPolicy H9: Private and Semi-Private Open SpacePolicy H10: Internal Residential AccommodationH10 Objective 1Policy H13: Residential ConsolidationRES zoning objective

Decision Document Summary

This application seeks alterations to a previously permitted development at 7 Esker Cottages, Lucan, including the addition of a detached habitable garden room. While the alterations to the main dwelling were granted subject to conditions regarding setbacks and use, the garden room was refused. The Planning Authority determined that the garden room's scale and layout effectively created a separate, sub-standard residential unit of 32.8sq.m. This was deemed contrary to the South Dublin County Dev...
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