29, Mount Merrion Avenue, Blackrock, Co. Dublin
Demolition of a rear extension and construction of a new extension at a protected structure.
D19A/0411 · Dun Laoghaire Rathdown County Council · Lodged 13 June 2019
- Reference
- D19A/0411
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 13 June 2019
Summary
AI-generatedThe application seeks to demolish an existing single-storey rear extension of a three-storey terraced protected structure. It will be replaced with a new single-storey rear extension, a double-height glazed addition, and internal alterations.
- Storeys
- 3
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 for the demolition of an existing single storey extension to the rear of a three storey terraced dwelling (a protected structure) and the construction of a new single storey rear extension and double height glazed addition. Other external works include alterations to the existing dormer window on the rear roof pitch and the replacement of the landing window below. Internal works include the forming of a narrow void and balustrade at the rear of the drawing room at upper ground f...
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 | 69 m |
| 43 Mount Merrion Ave, Blackrock, Dublin | Feb 2025 | €865,000 | 70 m |
| 44 Westfield, Rock Rd, Sion Hill | Jan 2025 | €730,000 | 75 m |
| 11 Westfield, Sion Hill, Blackrocknot full market price | Jun 2026 | €211,218 | 79 m |
| 2 Sydney Mews, Sydney Avenue, Blackrock | Jun 2025 | €1,300,000 | 112 m |
| 2 Rock Road Place, Blackrockprice excludes VAT | Oct 2025 | €1,387,665 | 112 m |
| 15 Brooklawn, Mount Merrion Ave, Blackrock | Mar 2025 | €875,000 | 144 m |
| 31 Castledawson, Sion Hill Rock Road, Blackrock | May 2026 | €620,000 | 149 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 June 2019
- Decision issued7 August 2019
- Appeal submitted2 September 2019
- Appeal decided16 December 2019
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 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
- 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
- GrantedAt this site
Creation of a new opening in the rear wall at ground floor level, the construction of a single storey,…
Saint Annas, 27 Mount Merrion Avenue, Blackrock, Dublin, A94E188
D23A/0649Dún Laoghaire–RathdownLodged 13 Oct 2023Extension
- 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
- 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
- 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
- InvalidAt this site
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
- RefusedAt this site
Removal of a section of the existing random rubble north/east facing boundary wall at Peafield (Lane) &…
33, Saint Cabríni, Mount Merrion Avenue, (corner of Mount Merrion Avenue & Peafield) Blackrock, Dublin, A94P5X5
D23A/0709Dún Laoghaire–RathdownLodged 14 Nov 2023Alterations
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
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4 Monkstown Crescent, Monkstown, Co Dublin (A Protected Structure in an Architectural Conservation Area)
D16A/0908Dún Laoghaire–RathdownLodged 7 Dec 2016
- GrantedExtension
Permission for works. A Protected Structure in an Architectural Conservation Area to include the rear…
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D17A/0212Dún Laoghaire–RathdownLodged 10 Mar 2017
- GrantedExtension
Permission is sought for the demolition of existing rear extensions and the construction of a single-storey…
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2341868Cork CityLodged 28 Mar 2023
- GrantedExtension
Permission for alterations consisting of widening of 2 no. rear window opes, removal of wall to side of…
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D15A/0007Dún Laoghaire–RathdownLodged 12 Jan 2015
- GrantedAlterations
Permission for development consisting of the following works to the three storey dwelling: Construction of a…
2 Clifton Avenue (formerly Rhos-y-gar), Monkstown, Co Dublin
D15A/0073Dún Laoghaire–RathdownLodged 6 Feb 2015
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