Mariners, 1 Neptune Terrace, Breffni Road, Sandycove, Dublin, A96P981 - A Protected Structure
Construction of a standalone garden studio apartment and associated works at a protected Sandycove property.
D26A/0515/WEB · Dun Laoghaire Rathdown County Council · Lodged 23 June 2026
- Reference
- D26A/0515/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 June 2026
Summary
AI-generatedThe development consists of amendments to a previously approved application at a protected structure. It includes the omission of a rear parking area, construction of a 32sqm standalone garden studio apartment, a covered storage area with a sauna, and alterations to the rear boundary wall.
- Residential unit
- 1
- Floor area
- 32 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
- The development will consist of amendments to the previously approved application d26a/0009/web including
- Omission of parking area to the end of the rear garden
- Construction of a standalone 32sqm studio apartment to the end of the garden
- Formation of a covered storage area and sauna adjacent to the proposed rear garden studio apartment
- Alterations to the existing rear boundary wall
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 |
|---|---|---|---|
| The Mews, Rere 7 Breffni T, Sandycove | Mar 2026 | €400,000 | 79 m |
| 7 Breffni Terrace, Breffni Rd, Sandycove | Apr 2025 | €1,340,000 | 79 m |
| Park Lodge, 1 Castlepark Road, Sandycove | Jan 2026 | €3,000,000 | 101 m |
| 16 Sandycove Ave East, Sandycove, Dublin | Jun 2026 | €2,250,000 | 112 m |
| Seagrange, Sandycove Ave East, Sandycove | Jan 2025 | €9,750,000 | 122 m |
| 26 Elton Court, Sandycove, Co Dublin | Oct 2025 | €750,000 | 162 m |
| 13 Castlepark Road, Sandycove, Co Dublin | Feb 2025 | €2,500,000 | 167 m |
| 13 Castlepark Road, Sandycove, Co Dublinnot full market price | Feb 2025 | €500,000 | 167 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 received23 June 2026
- Decision due1 September 2026
- Decision issued9 July 2026
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
For the demolition of existing two-storey return to rear and the construction of a part two-storey part…
Mariners, 1, Neptune Terrace, Breffni Road, Sandycove, Co. Dublin
D04B/0809Dún Laoghaire–RathdownLodged 12 Nov 2004Extension
- GrantedAt this site
Demolition of the existing 42sqm single storey and 12sqm first floor extension to the rear and construction…
1, Neptune Terrace, Breffni Road, Sandycove, Co. Dublin, A96P981 (A Protected Structure)
D26A/0009/WEBDún Laoghaire–RathdownLodged 12 Jan 2026Extension
- InvalidAt this site
Formation of a new off street car parking space to the front with ancillary site landscaping works —…
1, Neptune Terrace, Breffni Road, Sandycove, Co. Dublin, A96P981 (A Protected Structure)
D25A/0118/WEBDún Laoghaire–RathdownLodged 17 Feb 2025Alterations
- GrantedAt this site
Formation of a new off street car parking space to the front with ancillary site landscaping works —…
1, Neptune Terrace, Breffni Road, Sandycove, Co. Dublin, A96P981 (A Protected Structure)
D25A/0126/WEBDún Laoghaire–RathdownLodged 19 Feb 2025Alterations
- GrantedAt this site
Demolition of the existing 27 sq.m single storey extension to the rear and construction of a new 70 sq.m…
3, Munster Terrace, Breffni Road, Sandycove, Dublin, A96N298
D24A/0153Dún Laoghaire–RathdownLodged 11 Mar 2024Extension
- RefusedAt this site
For the widening of the existing gate to provide for vehicular entrance and off street parking at 2 Munster…
2, Munster Terrace, Breffni Road, Sandycove, Dun Laoghaire, Co. Dublin
D06A/0422Dún Laoghaire–RathdownLodged 19 Sept 2006Alterations
- GrantedAt this site
Permission is sought for: Works to a protected structure consisting of the widening of the existing…
2, Munster Terrace, Breffni Road, Sandycove, Co. Dublin
D21A/0471Dún Laoghaire–RathdownLodged 24 May 2021Alterations
- RefusedAt this site
Permission is sought for the widening of the existing pedestrian entrance to the site to facilitate vehicular…
2, Munster Terrace, Sandycove, Co. Dublin
D10A/0566Dún Laoghaire–RathdownLodged 13 Oct 2010Alterations
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- Awaiting decisionAlterations
The proposed amendment consists of the omission of the previously permitted detached garden studio from the…
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D26A/0488/WEBDún Laoghaire–RathdownLodged 25 Jun 2026
- GrantedApartments
The development will consist of: amendments to the previously permitted development granted under Reg. Ref…
Moyville, Coast Road, Malahide, Co Dublin, K36 FV08
F23A/0620FingalLodged 16 Oct 2023
- GrantedExtension
The development will consist of, the demolition of an existing rear extension at ground floor level, the…
7, Mount Prospect Park, Clontarf, Dublin 3
WEB1129/24Dublin CityLodged 9 Feb 2024
- GrantedExtension
The development will consist of an amendment to the permission granted under planning reference WEB2417/24…
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WEB2589/25Dublin CityLodged 6 Jul 2025
- GrantedExtension
The development will consist of the following: - new single storey extension at ground floor to the rear (14…
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3712/19Dublin CityLodged 9 Aug 2019
- GrantedExtension
Removal of the existing single storey garage in the rear garden, the construction of a single storey…
4, Rus-In-Urbe Terrace, Glenageary Road Lower, Glenageary, Dublin, A96V2Y9
D24A/0072Dún Laoghaire–RathdownLodged 7 Feb 2024
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