Existing mews dwelling and garden to rear of No 119, Mount Merrion Avenue, Blackrock, Co. Dublin
Single-storey rear extension and alterations to an existing mews dwelling.
D21A/0738 · Dun Laoghaire Rathdown County Council · Lodged 18 August 2021
- Reference
- D21A/0738
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 18 August 2021
Summary
AI-generatedThe development consists of a new single-storey flat-roofed extension with two rooflights to the rear of the two-storey mews dwelling. It also includes relocating the main entrance door to the rear laneway, adding a new window and dormer, and creating a new pedestrian doorway from the side laneway.
- 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 development at this site, consisting of
- New single storey flat roofed extension with 2 no. Rooflights to rear of the two storey mews pitched roofed dwelling
- Relocation of the mews main entrance door to rear laneway, with 1 no. New window ope, new replacement windows and dormer, along with internal alterations to the mews
- New pedestrian doorway to rear garden from side laneway, with new side laneway wall portion, along with all associated civil, landscapin
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 |
|---|---|---|---|
| 13 Villa Nova, Mount Merrion Ave, Blackrock | Mar 2026 | €540,000 | 88 m |
| 26 Woodlands Grove, Blackrockprice excludes VAT | Apr 2026 | €1,233,480 | 126 m |
| 17 Beechlawn, South Hill Ave, Blackrock | Nov 2025 | €602,002 | 137 m |
| Apt 158 - The Elms, Mount Merrion Avenue, Co Dublin | Nov 2025 | €641,000 | 145 m |
| 1 Woodlands Grove, Woodlands Park, Blackrocknot full market price · price excludes VAT | Mar 2026 | €353,000 | 161 m |
| 9 Glenart, Clonfadda Wood, Mount Merrion Ave | Mar 2026 | €600,000 | 189 m |
| 1 Glenart, Clonfadda Wood, Mount Merrion Ave | Nov 2025 | €685,000 | 189 m |
| 5 Glenart, Clonfadda Wood, Mount Merrion Ave | Nov 2025 | €491,000 | 189 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 received18 August 2021
- Decision issued8 October 2021
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 is sought for development, consisting of — New single storey flat roofed extension with 2.NO…
Existing mews dwelling and garden to rear of 119 Mount Merrion Avenue, Blackrock, Co. Dublin
D21B/0069Dún Laoghaire–RathdownLodged 23 Feb 2021Extension
- GrantedAt this site
Permission for part demolition of rear single-storey extension, roof works to existing rear two-storey…
117 Mount Merrion Avenue, Blackrock, Co Dublin
D17B/0436Dún Laoghaire–RathdownLodged 21 Sept 2017Alterations
- GrantedAt this site
Permission sought for single and two storey extensions to rear, internal alterations and all associated site…
115, Mount Merrion Avenue, Blackrock, Co Dublin, A94R250
D21B/0323Dún Laoghaire–RathdownLodged 29 Jun 2021Extension
- GrantedAt this site
Permission sought for a single storey extension and first floor window to rear of existing Mews dwelling and…
115, Mount Merrion Avenue, Blackrock, Co. Dublin
D19A/0402Dún Laoghaire–RathdownLodged 10 Jun 2019Extension
- Granted40 m away
Permission for removal of existing outdoor swimming pool and demolition of associated changing area,…
Highfield, South Hill Avenue, Booterstown, Blackrock, Co Dublin
D16A/0686Dún Laoghaire–RathdownLodged 19 Sept 2016Extension
- Granted50 m away
To convert existing pedestrian entrance at front of house to enable car access and off-street parking
109, Mount Merrion Avenue, Blackrock, Co. Dublin
D04A/0776Dún Laoghaire–RathdownLodged 12 Jul 2004Alterations
- Granted60 m away
(a) Retention of vehicular cross over, access gates and off street parking for 2 car to front drive, and (b)…
107, Mount Merrion Avenue, Blackrock, Co. Dublin
D06A/0845Dún Laoghaire–RathdownLodged 16 Jun 2006Retention
- Granted60 m away
For the erection of a two storey hardwood conservatory
27, Clonfadda Wood, Mount Merrion Avenue, Blackrock, Co. Dublin
D06B/0283Dún Laoghaire–RathdownLodged 31 Mar 2006Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- RefusedExtension
Permission is sought for development, consisting of — New single storey flat roofed extension with 2.NO…
Existing mews dwelling and garden to rear of 119 Mount Merrion Avenue, Blackrock, Co. Dublin
D21B/0069Dún Laoghaire–RathdownLodged 23 Feb 2021
- GrantedExtension
Permission sought for refurbishment, alterations and extension to existing two-storey detached period mews…
'Aelagh', Rockfort Avenue, Dalkey, Co. Dublin (A Protected Structure)
D18A/0194Dún Laoghaire–RathdownLodged 3 May 2018
- GrantedExtension
Permission is sought for the demolition of 5.0 sqm, single storey utility and 1 sqm, porch to side of…
The Mews, Stirling Park, Orwell Road, Dublin 14
D22A/0180Dún Laoghaire–RathdownLodged 26 May 2022
- RefusedExtension
Refurbish and extend the existing single storey, with mezzanine, mews dwelling comprising ground floor…
Hoeyfield Mews , No 38 Putland Road , Bray
16993WicklowLodged 6 Sept 2016
- RefusedExtension
Permission being applied for development. The development will consist of the following: First floor…
Summergrove Orchard (South west of Summergrove House and South east of Tudor House, a Protected Structure), The Hill, Monkstown, Co. Dublin
D18A/0459Dún Laoghaire–RathdownLodged 16 May 2018
- RefusedExtension
Permission for a two-storey extension to the front of the existing mews house, providing new study area and…
The Mews, 13A Lower Prince Edward Terrace, Blackrock, Co Dublin (situated within the curtilage and to the rear of no. 13 Lower Prince Edward Terrace, a Protected Structure)
D18A/0005Dún Laoghaire–RathdownLodged 4 Jan 2018
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