Rosetta Cottage, 1 Harbour Road, Dalkey, Co Dublin, A96X725
Alterations and a two-storey extension to a terraced house in Dalkey.
D26A/0328/WEB · Dun Laoghaire Rathdown County Council · Lodged 30 April 2026
- Reference
- D26A/0328/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 30 April 2026
Summary
AI-generatedPermission is sought for a two-storey extension of approximately 23 sqm to the front and rear to link the main house with a bedroom building. Works also include window modifications, new roof lights, raising the front boundary wall, and relocating the first-floor terrace.
- Storeys
- 2
- Floor area
- 23 m²
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
We intend to apply for planning permission for the alteration and extension of terraced two storey dwelling. Works include the provision of a two-storey extension of approx. 23sqm to front and rear, linking the two-storey bedroom building to the main dwelling structure. Modifications to the existing windows throughout, including new composite alu-timber windows, 2 no. New window openings on the front façade on harbour road , 1no new window opening on the southern (side facade) overlooking the terrace at first floor level, new roof lights, rear and side, modifications to the roof, where the buildings are to be linked, raising the front boundary wall and the relocation of the first-floor terrace area together with associated 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 |
|---|---|---|---|
| Park Lodge, 1 Castlepark Road, Sandycove | Jan 2026 | €3,000,000 | 135 m |
| 13 Castlepark Road, Sandycove, Co Dublin | Feb 2025 | €2,500,000 | 204 m |
| 13 Castlepark Road, Sandycove, Co Dublinnot full market price | Feb 2025 | €500,000 | 204 m |
| 14 Castle Park Rd, Sandycove, Dublin | Jun 2026 | €3,200,000 | 210 m |
| Apt 1 Castlepark Gardens, Castlepark Rd, Dalkey | Aug 2025 | €425,000 | 219 m |
| 5 Castlepark Gardens Residence, Castlepark Road, Sandycove | May 2025 | €583,400 | 219 m |
| Apartment 28, Castle Park Residence, Castle Park Road | May 2025 | €20,000 | 224 m |
| 7 Breffni Terrace, Breffni Rd, Sandycove | Apr 2025 | €1,340,000 | 241 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 received30 April 2026
- Decision due24 June 2026
- Decision issued23 June 2026
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- RefusedAt this site
Permission for the remodel and extension of terraced two storey cottage. Works include the provision of a two…
Rosetta Cottage, Harbour Road, Dalkey, Co Dublin
D15B/0212Dún Laoghaire–RathdownLodged 5 Jun 2015Extension
- GrantedAt this site
Permission for the remodel and extension of terraced two storey cottage. Works include the provision of a two…
Rosetta Cottage, Harbour Road, Dalkey, Co Dublin
D15A/0661Dún Laoghaire–RathdownLodged 19 Oct 2015Extension
- Granted30 m away
For the construction of a single storey extension located to the side and rear of existing dwelling,…
Portofino, 2, Castle Place, Breffni Road, Sandycove, Co. Dublin
D06A/1876Dún Laoghaire–RathdownLodged 15 Dec 2006Extension
- Granted40 m away
Permission is sought for construction of a single storey side extension of 16.5 sq.m, internal alterations,…
Portofino, 2, Castle Place, Breffni Road, Sandycove, Co. Dublin
D12A/0500Dún Laoghaire–RathdownLodged 18 Dec 2012Extension
- Refused50 m away
Permission is sought for 2no. two-storey semi-detached houses together with associated site works and the…
Breffni Cottage, Ulverton Road, Dalkey, Co Dublin
D07A/0308Dún Laoghaire–RathdownLodged 8 Mar 2007New dwelling
- Granted50 m away
Proposed single storey extension to eastern side elevation and two storeys over basement extension to…
2 Castle Place,, Breffni Road,, Sandycove,, Co. Dublin.
D03B/0212Dún Laoghaire–RathdownLodged 24 Mar 2003Extension
- Granted60 m away
For the construction of part single storey part over garden level 4 bedroom dwelling located within the…
Portofino, 2, Castle Place, Breffni Road, Sandycove, Co. Dublin
D06A/1875Dún Laoghaire–RathdownLodged 25 Apr 2007New dwelling
- Granted60 m away
Permission is sought for construction of a part single storey, part single storey over garden level 5 bedroom…
Portofino, 2, Castle Place, Breffni Road, Sandycove, Co. Dublin
D12A/0501Dún Laoghaire–RathdownLodged 18 Dec 2012New dwelling
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Permission for the remodel and extension of terraced two storey cottage. Works include the provision of a two…
Rosetta Cottage, Harbour Road, Dalkey, Co Dublin
D15A/0661Dún Laoghaire–RathdownLodged 19 Oct 2015
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