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Planning application · Dun Laoghaire Rathdown County Council

Partial demolition of the existing side garage at 3, Castle Park

3, Castle Park, Monkstown, Dublin, A94E186

D26A/0613/WEB · Dun Laoghaire RathdownClosed

up to 2 storeys · 0.039 ha · Declared invalid

Planning application D26A/0613/WEB to Dun Laoghaire Rathdown County Council: Partial demolition of the existing side garage and demolition of the existing rear sunroom, at 3, Castle Park, Monkstown. Declared invalid by the council on 19 August 2026.

Timeline

  1. Application lodged
  2. Declared invalid

Key facts

Reference
D26A/0613/WEB
Planning authority
Dun Laoghaire Rathdown County Council
Received
16 Aug 2026
Decided
19 Aug 2026
Status
Closed
Application type
Extension
Use
Residential
Dwellings (estimated)
1
Read from the description, not stated on the register.
Site area
0.039 ha

Proposed development

Partial demolition of the existing side garage and demolition of the existing rear sunroom. Alterations to the front elevation including removal of the existing screen door, construction of a new portico and re-rendering of the existing pebbledash finish. Construction of a part single-, part two-storey extension to the side and rear. Construction of a rear dormer roof extension and installation of two rooflights to the front roof slope. Replacement of all existing windows and external doors. All associated site development works, including driveway widening, drainage and landscaping.

Planning status

The application was declared invalid by the council. A corrected application may be lodged again.

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About this page: the facts above come from the statutory public planning register kept by Dun Laoghaire Rathdown County Council and are refreshed weekly (last updated 2 Sept 2026). Applicant names and contact details are not shown. Status labels are PlanningLeads' plain-language reading of the register status and the "Use" label is classified by AI from the public description (see how we use AI); neither is legal advice and the council's file is the record. How we handle this data: privacy notice.

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