9, Greygates, Mount Merrion, Co. Dublin, A94N9D5
Demolition of existing extensions and construction of new two-storey and single-storey extensions, with an attic conversion.
D23A/0620 · Dun Laoghaire Rathdown County Council · Lodged 31 January 2024
- Reference
- D23A/0620
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 31 January 2024
Summary
AI-generatedThe development comprises the demolition of existing extensions and the construction of new two-storey and part-single-storey extensions to the side and rear. It also includes an attic conversion with rooflights, widening the front vehicular entrance, and building a rear bike shed.
- 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
Alterations and additions to an existing 2-storey detached dwelling at no. 9 greygates, mount merrion, co. Dublin (a94 n9d5). The development will comprise the demolition of an existing single/2- storey extension to the gable-end and rear, and the construction of a new 2-storey/part-single storey extension to the able-end and rear in lieu of same, the demolition of an existing single/2-storey extension to the rear of the original dwelling and the construction of a new single/2-storey extension to the rear, together with the conversion of the existing attic space with new velux rooflights to the side and rear elevations, all connecting into existing services. The proposed works will also comprise the widening of the existing vehicular entrance to the front boundary of the property, together with the construction of a new bike /storage shed to the rear, and all associated ancillary site works.
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.
Built — construction complete
A commencement notice records works starting on 27 January 2025.
Notified floor area: 270 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 5 Greygates, Stillorgan Road, Mount Merrion | Jun 2025 | €1,690,000 | 54 m |
| Apartment 9 Greygates, Roebuck Ave, Mount Merrionprice excludes VAT | Jan 2026 | €190,000 | 72 m |
| Apartment No. 7, Greysgate Hall, Mount Merrion | Jan 2025 | €640,000 | 73 m |
| Apt 29 Sanderling, Thornwood, Booterstown Avenue | Jan 2026 | €592,000 | 106 m |
| 27 The Sanderling, Thorn Wood, Booterstown Ave | Dec 2025 | €590,000 | 106 m |
| 36 Turnstone, Thorn Wood, Booterstown Ave | Apr 2025 | €650,000 | 119 m |
| Apt 26 The Heron Building, Thornwood, Booterstown Ave | May 2026 | €460,250 | 123 m |
| Apt 7, The Lapwing Building, Booterstown Ave | Apr 2026 | €425,000 | 139 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 received31 January 2024
- Decision due27 February 2024
- Decision issued23 February 2024
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. The development consists of a single storey extension to the rear (south-west) of the existing…
8 Greygates, Mount Merrion, Blaockrock, Co. Dublin
D21B/0272Dún Laoghaire–RathdownLodged 2 Jun 2021Extension
- GrantedAt this site
Permission for retention of development. The development consists of a single storey extension to the rear of…
8 Greygates, Mount Merrion, Blackrock, Co. Dublin
D19B/0339Dún Laoghaire–RathdownLodged 19 Jul 2019Retention
- Granted40 m away
Permission for alterations and additions to an existing 2 storey detached dwelling. The development will…
6, Greygates, Stillorgan Road, Blackrock, Dublin, A94H2D5
D24B/0142Dún Laoghaire–RathdownLodged 28 Jun 2024Extension
- Granted60 m away
Demolition of flat roofed extension and garage and construction of single storey (incorporating mezzanine…
3, Roebuck Avenue, Mount Merrion, Co. Dublin
D06B/0455Dún Laoghaire–RathdownLodged 22 May 2006Extension
- Granted60 m away
For demolition of existing two storey detached house and construction of 22 no. residential units consisting…
Derryveigh, 16, Greygates, Stillorgan Road, Mount Merrion, Co. Dublin
D06A/0560Dún Laoghaire–RathdownLodged 13 Dec 2006Apartments
- Refused70 m away
Permission for development consisting of: (i) Demolition of the existing detached two storey dwelling (floor…
Derryveigh, 16 Greygates, Blackrock, Co Dublin
D13A/0662Dún Laoghaire–RathdownLodged 16 Dec 2013Housing estate
- Invalid70 m away
Permission for development consisting of (i) demolition of the existing detached two storey dwelling ((floor…
Derryveigh, 16, Greygates, Blackrock, Co. Dublin
D13A/0607Dún Laoghaire–RathdownLodged 18 Nov 2013Housing estate
- Granted70 m away
Permission for demolition of existing house and construction of one new house and twenty-one apartments,…
16 Greygates, Blackrock, Co Dublin
D14A/0545Dún Laoghaire–RathdownLodged 20 Apr 2015Apartments
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidExtension
The proposed development will consist of the demolition of the existing garage (19.6 sq.m) and external…
45, Merrion Road, Dublin 4
WEB1825/20Dublin CityLodged 17 Nov 2020
- GrantedExtension
The proposed development will consist of: Replacement of the flat roof to the existing two storey side / part…
132, Melmore, Mount Merrion Avenue, Blackrock, Dublin, A94X9X4
D23A/0784/WEBDún Laoghaire–RathdownLodged 12 Dec 2023
- GrantedExtension
Permission for development consisting of demolition of existing single storey extension to rear and proposed…
Glenside, 63, Mount Merrion Avenue, Blackrock, Co Dublin, A94Y6W3
D20A/0922Dún Laoghaire–RathdownLodged 9 Dec 2020
- GrantedExtension
Permission sought for the following works at 40 Mather Road North, Mount Merrion, Co. Dublin, A94 PR60, an…
40, Mather Road North, Mount Merrion, Blackrock, Dublin, A94PR60
D24A/0432Dún Laoghaire–RathdownLodged 14 Jun 2024
- GrantedExtension
A)Two storey extension to side, B)Single storey extension to rear C)Attic conversion to habitable room,…
5 Mount Anville Road, Mount Merrion, Co. Dublin.
D02A/0578Dún Laoghaire–RathdownLodged 20 Jun 2002
- GrantedExtension
Extension to rear of existing dwelling part single storey, part two storey, including associated ground works…
5 Greenfield Road, Mount Merrion, Co. Dublin.
D02B/0434Dún Laoghaire–RathdownLodged 10 Jun 2002
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