House extension at SeaBur, Highdown Hill, Newcastle, Co. Dublin
Planning application SD26B/0259W to South Dublin County Council.
Permission for a dormer roof extension over existing one storey house, with a dormer extension to the side and rear of the existing one storey house. Retention permission for a one storey detached domestic garage to the rear of the existing dwelling as constructed and all associated siteworks.
Decision
21 July 2026
8 weeks after it was received
Key dates
Application received
Permission granted
Application details
- Council
- South Dublin County Council
- Reference
- SD26B/0259W
- Site address
- SeaBur, Highdown Hill, Newcastle, Co. Dublin
- Town or area
- Newcastle
- Type of project
- House extension
- Floor area
- 166 m²
- Site area
- 3,140 m²
- Permission expires
- 2 September 2031
Planning something near here?
The pre-planning report checks zoning, protected structures, nature sites and every application near your address, with the decisions.
Source: National Planning Application Database and South Dublin County Council, licensed under CC BY 4.0. Applicant names are never published. Request removal of this record. This page is a guide and may be out of date, so check the council portal for the latest.

