D24B/0399/WEB

Retention permission is sought for the construction of an ancillary single stor

Refused

Core Refusal Reason

The development is located within an area identified as Flood Zone A and B; under the Dún Laoghaire Rathdown County Development Plan 2022-2028, development in Flood Zone A is not permitted until a Flood Relief Scheme to the 1.0% AEP event standard is complete.

Decision Maker's Conclusion

  • The subject site is located within Flood Zone A, where development is explicitly restricted by the Development Plan until a 1.0% AEP standard Flood Relief Scheme is fully complete.
  • The structure does not qualify as 'Minor Development' because it is a standalone, detached building rather than a small extension to the existing main dwelling, thus failing the criteria set out in the SFRA.
  • While flood alleviation works for the Shanganagh River are planned and imminent, current policy requires the scheme to be finished before permission can be granted, rendering the retention proposal premature and contrary to proper planning.

Cited Policies (CDP)

Policy Objective EI21Policy Objective EI22Section 12.10.1 Flood Risk ManagementAppendix 15 (Strategic Flood Risk Assessment)Section 6.2.10 Shanganagh River (Appendix 15)Section 5.2.1 (Minor Development definition)Section 12.3.7.4 (Detached habitable room)Section 10/7 Flood RiskZoning Objective A (Residential)

Decision Document Summary

The application seeks the retention of a single-storey office/storage structure (c. 34.65sqm) to the rear of Florence Villa, Commons Road, Dublin 18. The site is located within the catchment of the Shanganagh River, placing the structure within Flood Zone A. The Planning Authority refused permission based on flood risk policies. The applicant appealed, arguing that the structure is ancillary, has no amenity impact, and that the Carrickmines Shanganagh River Flood Relief Scheme is due for complet...
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