First floor side extension over existing ground floor playroom/utility at 81, South Avenue
81, South Avenue, Mount Merrion, Blackrock, Co. Dublin, A94H1K0
0.043 ha · Granted · permission to Jun 2031 (estimate)
Planning application D26B/0242/WEB to Dun Laoghaire Rathdown County Council: First floor side extension over existing ground floor playroom/utility, conversion of attic storage space to habitable space, at 81, South Avenue, Mount Merrion. Granted by the council on 12 June 2026. The permission normally runs to June 2031 (an estimate: the grant plus five years).
Timeline
- Application lodged
- Council granted
- Permission normally ends (estimate)
The end date is an estimate: the grant plus five years, the normal life of a permission. An extension or a commencement changes it.
Key facts
Proposed development
The development will consist of (a) first floor side extension over existing ground floor playroom/utility, (b) conversion of attic storage space to habitable space, (c) new dormer window to rear of existing/extended roof, (d) new rooflights to front and side of existing/extended roof, (e) all associated internal works, drainage, and site service works.
Planning status
Permission was granted on 12 Jun 2026. The four-week appeal period has passed with no appeal recorded, so the permission is final. Works can start once a commencement notice is lodged; the permission normally runs to Jun 2031 (estimate).
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Nearby applications
Other applications on the Dun Laoghaire Rathdown register close to this address.
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- D24B/0534/WEBNo. 9, Trees Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94A3Y0Closed
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- D24A/023486, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94V2A0On Site
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Related
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 21 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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