Subdivision of the original house and ancillary mews building at Cron Bryn, The Hill
Cron Bryn, The Hill, Monkstown, Co. Dublin, A94T6P3
up to 2 storeys · 0.095 ha · Granted · permission to Jul 2031 (estimate)
Planning application D26A/0434/WEB to Dun Laoghaire Rathdown County Council: Subdivision of the original house and ancillary mews building with new boundary wall between the properties, at Cron Bryn, The Hill, Monkstown. Granted by the council on 31 July 2026. The permission normally runs to July 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
Subdivision of the original house and ancillary mews building with new boundary wall between the properties, change of use of the ancillary mews building into residential accommodation and construction of a two storey rear extension with pitched roof to match the existing and a single storey rear extension with flat roof to the mews building along with alterations to the rear facade and 2 no. rooflights to the front roof of the mews building
Planning status
Permission was granted on 31 Jul 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 Jul 2031 (estimate).
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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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