A proposed first floor extension to front, above ex at 40 South Avenue, Mount Merrion
40 South Avenue, Mount Merrion, Blackrock, Co. Dublin, A94X5N0
0.055 ha · Granted · permission to Mar 2031 (estimate)
Planning application D26B/0064/WEB to Dun Laoghaire Rathdown County Council: A proposed first floor extension to front, above ex, at 40 South Avenue, Mount Merrion, Blackrock. Granted by the council on 26 March 2026. The permission normally runs to March 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
Permission is sought for; a) A proposed first floor extension to front, above ex
Planning status
Permission was granted on 26 Mar 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 Mar 2031 (estimate).
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Nearby applications
Other applications on the Dun Laoghaire Rathdown register close to this address.
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- D24A/023486, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94V2A0On Site
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- D26A/0154/WEB92, Trees Road Upper, Mount Merrion, Dublin, A94V2D5Granted
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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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