Saint Annas, 27 Mount Merrion Avenue, Blackrock, Dublin, A94E188
Construction of a rear extension and internal/external alterations to a protected structure.
D23A/0649 · Dun Laoghaire Rathdown County Council · Lodged 13 October 2023
- Reference
- D23A/0649
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 13 October 2023
Summary
AI-generatedThe development at Saint Annas, a protected structure, includes a new opening in the rear wall and the construction of a single-storey, part-double height rear extension. It also features window alterations, lime re-rendering of the front facade, and historic fabric repairs.
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
Creation of a new opening in the rear wall at ground floor level, the construction of a single storey, part-double height extension to the rear. Alterations to the existing window on the front facade at basement level. Minor layout amendments to existing granted permitted works to basement, the replacement of the existing kitchen at ground floor level with a bathroom, the replacement of the single glazing to the existing sash windows with slim double glazing, re-rendering of the front facade in lime render and miscellaneous repairs to the historic fabric. A protected structure.
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 |
|---|---|---|---|
| Apt 17 Westfield, Sion Hill, Blackrock Dublin | Jul 2025 | €476,000 | 60 m |
| 11 Westfield, Sion Hill, Blackrocknot full market price | Jun 2026 | €211,218 | 70 m |
| 44 Westfield, Rock Rd, Sion Hill | Jan 2025 | €730,000 | 77 m |
| 43 Mount Merrion Ave, Blackrock, Dublin | Feb 2025 | €865,000 | 79 m |
| 2 Rock Road Place, Blackrockprice excludes VAT | Oct 2025 | €1,387,665 | 104 m |
| 2 Sydney Mews, Sydney Avenue, Blackrock | Jun 2025 | €1,300,000 | 111 m |
| 31 Castledawson, Sion Hill Rock Road, Blackrock | May 2026 | €620,000 | 140 m |
| 15 Brooklawn, Mount Merrion Ave, Blackrock | Mar 2025 | €875,000 | 150 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 received13 October 2023
- Decision due7 December 2023
- Decision issued1 December 2023
- Permission expiry10 January 2027
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
Demolition of existing single storey split level bathroom and associated external stairs & external rear…
Saint Annas, 27 Mount Merrion Avenue, Blackrock, Dublin, A94Y6V6
D23A/0070Dún Laoghaire–RathdownLodged 21 Jun 2023Extension
- GrantedAt this site
The development will consist of the demolition of an existing garage to the rear and construction of a new…
Saint Annas, 27, Mount Merrion Avenue, Blackrock, Dublin, A94Y6V6 (A Protected Structure)
D25A/0168/WEBDún Laoghaire–RathdownLodged 4 Mar 2025Extension
- Exempt — no permission neededAt this site
Installation of 9no. Solar panels on roof of 27 Mount Merrion Avenue
Saint Annas, 27 Mount Merrion Avenue, Blackrock, Dublin, A94Y6V6 (A Protected Structure)
REF10824Dún Laoghaire–RathdownLodged 19 Sept 2024Energy
- Compliance submissionAt this site
Compliance with Condition no.3 of Reg Ref no D23A/0649
Saint Annas, 27 Mount Merrion Avenue, Blackrock, Dublin, A94E188
D23A/0649/C1Dún Laoghaire–RathdownLodged 19 Feb 2024Other
- RefusedAt this site
Permission for the demolition of an existing single storey extension to the rear of a three storey terraced…
29, Mount Merrion Avenue, Blackrock, Co. Dublin
D19A/0411Dún Laoghaire–RathdownLodged 13 Jun 2019Extension
- GrantedAt this site
Demolition of the existing non-historic, single storey rear return extension at the upper ground floor level…
31, Mount Merrion Avenue, Blackrock, Dublin, A94Y0Y3
D24A/0495/WEBDún Laoghaire–RathdownLodged 21 Oct 2024Extension
- Invalid30 m away
Permission to demolish existing detached garage, and for the construction of a new detached garage/2 storey…
33, Mount Merrion Avenue, Blackrock, Co. Dublin
D16A/0174Dún Laoghaire–RathdownLodged 18 Mar 2016New dwelling
- Granted30 m away
Demolition of a section of the existing rear return at the upper ground floor and the subsequent construction…
33, Saint Cabríni, Mount Merrion Avenue, Blackrock, Dublin, A94P5X5
D23A/0578Dún Laoghaire–RathdownLodged 6 Sept 2023Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedAlterations
PROTECTED STRUCTURE: The proposed works will consist of the demolition of a non-original, three storey…
10, Kenilworth Square North, Dublin 6
3310/20Dublin CityLodged 3 Sept 2020
- InvalidExtension
PROTECTED STRUCTURE: The development will consist of the removal of a section of the rear return wall at…
79 Wellington Road, Ballsbridge, Dublin 4
WEB6088/25Dublin CityLodged 12 Dec 2025
- GrantedExtension
Removal of internal walls and columns, reduction of the existing floor level, replacement of door to front…
2, Prince Edward Terrace Lower, Carysfort Avenue, Blackrock, Co. Dublin
D08A/1352Dún Laoghaire–RathdownLodged 15 May 2009
- GrantedExtension
PROTECTED STRUCTURE: The development will consist of the demolition of the existing single-storey rear…
13 Saint Mary's Road, Ballsbridge, Dublin 4
WEB5217/25Dublin CityLodged 23 Sept 2025
- InvalidAlterations
PROTECTED STRUCTURE — The development will consist of a 10.5m2 single storey rear extension, removal of a…
17 Elgin Road, Ballsbridge,, Dublin 4.
2007/20Dublin CityLodged 2 Jan 2020
- GrantedExtension
PROTECTED STRUCTURE: The development consists of: (a) removal of non-original bay window, floor and deck off…
78, Waterloo Road, Dublin 4, D04 W5R3
3714/21Dublin CityLodged 18 Oct 2021
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.