117 Mount Merrion Avenue, Blackrock, Co Dublin
Partial demolition and roof works to an existing rear extension.
D17B/0436 · Dun Laoghaire Rathdown County Council · Lodged 21 September 2017
- Reference
- D17B/0436
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 21 September 2017
Summary
AI-generatedThe application seeks permission for the partial demolition of a single-storey rear extension. It also includes roof works to an existing two-storey rear extension and modifications to the garden and ground floor levels.
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 part demolition of rear single-storey extension, roof works to existing rear two-storey extension and works to garden and ground floor levels.
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 | 86 m |
| 26 Woodlands Grove, Blackrockprice excludes VAT | Apr 2026 | €1,233,480 | 124 m |
| Apt 158 - The Elms, Mount Merrion Avenue, Co Dublin | Nov 2025 | €641,000 | 136 m |
| 17 Beechlawn, South Hill Ave, Blackrock | Nov 2025 | €602,002 | 144 m |
| 1 Woodlands Grove, Woodlands Park, Blackrocknot full market price · price excludes VAT | Mar 2026 | €353,000 | 156 m |
| 1 Glenart, Clonfadda Wood, Mount Merrion Ave | Nov 2025 | €685,000 | 183 m |
| 5 Glenart, Clonfadda Wood, Mount Merrion Ave | Nov 2025 | €491,000 | 183 m |
| 9 Glenart, Clonfadda Wood, Mount Merrion Ave | Mar 2026 | €600,000 | 183 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 received21 September 2017
- Decision issued10 November 2017
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
Permission is sought for development at this site, consisting of — New single storey flat roofed extension…
Existing mews dwelling and garden to rear of No 119, Mount Merrion Avenue, Blackrock, Co. Dublin
D21A/0738Dún Laoghaire–RathdownLodged 18 Aug 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
- 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
- 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
- Granted40 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
- Granted50 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
(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
Planning permission for the demolition of the existing bay window and erection of a single storey flat roof…
105, Mount Merrion Avenue, Blackrock, Co. Dublin
D09B/0314Dún Laoghaire–RathdownLodged 16 Jul 2009Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
Permission for demolition of existing single storey rear extension and construction of new single storey rear…
83, Saint Magdalen Terrace, Dublin 4
5078/22Dublin CityLodged 20 Oct 2022
- GrantedExtension
Permission for the demolition of rear and side extensions, the addition of a single storey rear garden level…
42, Cross Avenue, Blackrock, Dublin, A94W0C5
D23B/0580Dún Laoghaire–RathdownLodged 15 Dec 2023
- GrantedExtension
Permission for the demolition of the existing rear extension and construction of a new single storey rear…
167 Corbawn Wood, Shankill, Co Dublin
D15B/0294Dún Laoghaire–RathdownLodged 6 Nov 2015
- GrantedExtension
Permission for the demolition of an existing single storey extension and the erection of a part single…
8 Mulvey Park, Dundrum, Dublin 14
D17B/0114Dún Laoghaire–RathdownLodged 4 May 2017
- GrantedExtension
Permission for the demolition of single storey extensions to the rear and construction of a single storey…
6A Castleview, Saint Patrick's Road, Dalkey, Co Dublin
D14B/0292Dún Laoghaire–RathdownLodged 14 Aug 2014
- RefusedExtension
Permission for the partial demolition of the existing rear ground floor extension and construction of a new…
5 Moss Cottages, Enniskerry Road, Kilternan, D18 NY38
D21A/0201Dún Laoghaire–RathdownLodged 10 Mar 2021
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