5 Sycamore Crescent, Mount Merrion, Blackrock, Co. Dublin, A94 F7P4
Demolition of a side garage to construct an adjacent granny flat.
D21A/0511 · Dun Laoghaire Rathdown County Council · Lodged 3 June 2021
- Reference
- D21A/0511
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 3 June 2021
Summary
AI-generatedPermission is sought for the demolition of an existing garage structure to the side of a two-storey single-family dwelling. A new granny flat, adjacent and accessible to the existing house, will be constructed in its place.
- Storeys
- 2
Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.
Official record
Development description
Permission is sought for the demolition of existing garage structure to side of existing 2 storey single family dwelling and construction of granny flat adjacent and accessible to existing house and associated site works.
Land-use zoning
What this land is zoned for
“A To provide residential development and improve residential amenity while protecting the existing residential amenities”
Objective set by the COUNTY DEVELOPMENT PLAN 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.
Read the zoning objectives in the development planBuilt & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 29 Sycamore Road, Mount Merrion, Co Dublin | Sept 2025 | €1,785,000 | 135 m |
| 4 Dualla Court, Stillorgan Rd, Stillorgan | Jan 2025 | €485,000 | 161 m |
| Apt 6, Fortwilliam, Mount Merrion Ave | Jun 2025 | €460,000 | 171 m |
| 28 Merrion Hall, Mount Merrion Ave, Blackrock | Feb 2025 | €600,000 | 192 m |
| Seven Churches, Glendalough, Co Wicklow | Sept 2025 | €351,000 | 207 m |
| 26 Ashurst, Mount Merrion Ave, Blackrock | Aug 2025 | €510,500 | 213 m |
| 18 Greenfield Road, Mount Merrion, Blackrock | Oct 2025 | €1,350,000 | 217 m |
| 95 Merrion Park, Blackrock, Co. Dublin | Sept 2025 | €1,120,000 | 280 m |
Nearby properties, not this site — a guide to local values.
Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.
Key dates
Timeline
- Application received3 June 2021
- Decision issued28 July 2021
Related developments
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Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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Community
Discussion
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