No 7 Chestnut Road, Mount Merrion, Co. Dublin
Demolition of a rear outbuilding and construction of a two-storey side extension in Mount Merrion.
D24A/0080 · Dun Laoghaire Rathdown County Council · Lodged 10 April 2024
- Reference
- D24A/0080
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 April 2024
Summary
AI-generatedThe project involves demolishing a rear outbuilding to construct a two-storey side extension. The extension will provide 36 square metres on the ground floor and 20 square metres on the first floor, featuring a hipped roof and the removal of a side chimney stack.
- Storeys
- 2
- Floor area
- 56 m²
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
The demolition of the rear outbuilding and construction of a 2-storey extension to the side; 36sqm to the ground floor, 20sqm to first-floor. Hipped roof to match existing to first-floor extension, removal of chimney stack to the side and mono-pitched zinc roof to rear of ground floor extension.
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 11 September 2024.
Notified floor area: 56 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 45 Greenfield Rd, Mount Merrion, Dublin | Nov 2025 | €1,390,000 | 122 m |
| 49 The Rise, Mount Merrion, Blackrock | Sept 2025 | €1,305,000 | 162 m |
| 33 North Avenue, Mount Merrion, Blackrock | Sept 2025 | €2,365,000 | 174 m |
| 18 Greenfield Road, Mount Merrion, Blackrock | Oct 2025 | €1,350,000 | 208 m |
| 32 St Thomas Rd, Mount Merrion, Dublin | Mar 2025 | €1,900,000 | 217 m |
| 14 St Thomas Road, Mount Merrion, Blackrock | Jul 2025 | €1,750,000 | 220 m |
| 57 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Nov 2025 | €1,563,880 | 229 m |
| 58 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Mar 2026 | €1,550,660 | 239 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 received10 April 2024
- Decision due7 May 2024
- Decision issued3 May 2024
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- InvalidAt this site
Demolition of the rear outbuilding and construction of a 2-storey extension to the side, 36sqm to the ground…
7, Chestnut Road, Mount Merrion, Dublin, A94V622
D23B/0553Dún Laoghaire–RathdownLodged 30 Nov 2023Extension
- GrantedAt this site
Planning application is sought. The development will consist of: (i) demolition of the existing shed; (ii)…
7 Chestnut Road, Mount Merrion, Blackrock, Co. Dublin, A94V622
D20A/0458Dún Laoghaire–RathdownLodged 22 Sept 2020Extension
- GrantedAt this site
Permission for the removal of existing detached garage and outhouses and the construction of a single storey…
5 Chestnut Road, Mount Merrion, Blackrock, Co Dublin A94 X821
D18B/0054Dún Laoghaire–RathdownLodged 5 Feb 2018Extension
- Granted40 m away
Demolition of existing single-storey extension to side, construction of 2-storey extension to side and rear,…
4 The Close, Mount Merrion, Co. Dublin
D07B/0771Dún Laoghaire–RathdownLodged 27 Aug 2007Extension
- Compliance submission40 m away
Compliance with Condition No. 2 of Reg Ref No. D24A/0470/WEB
15, Chestnut Road, Mount Merrion, Blackrock, Dublin, A94EK46
D24A/0470/WEB/C2Dún Laoghaire–RathdownLodged 30 Jan 2025Other
- Compliance submission40 m away
Compliance with Condition No. 2 of Reg Ref No. D24A/0470/WEB
15, Chestnut Road, Mount Merrion, Blackrock, Dublin, A94EK46
D24A/0470/WEB/C1Dún Laoghaire–RathdownLodged 2 Dec 2024Alterations
- Granted40 m away
The provision of a new side and rear single storey extension, the provision of a new dormer to the rear…
15, Chestnut Road, Mount Merrion, Blackrock, Dublin, A94EK46
D24A/0470/WEBDún Laoghaire–RathdownLodged 2 Jul 2024Extension
- Exempt — no permission needed50 m away
Single story extension to rear of existing dwelling with 'PRE 63' garage conversion with a first floor…
2 The Close, Mount Merrion, Blackrock, Dublin, A94 NX27
REF15924Dún Laoghaire–RathdownLodged 22 Jan 2025Extension
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
Demolition of the rear outbuilding and construction of a 2-storey extension to the side, 36sqm to the ground…
7, Chestnut Road, Mount Merrion, Dublin, A94V622
D23B/0553Dún Laoghaire–RathdownLodged 30 Nov 2023
- GrantedExtension
Demolition of existing single storey extension and various ad hoc outbuildings and construction of two-storey…
10, Sandford Park, Tenters, Dublin 8
3643/18Dublin CityLodged 2 Aug 2018
- GrantedExtension
Demolition of existing rear extension, front entrance porch and part of existing out house to accommodate the…
Caherkeegane, Clondrohid, ,
095330corkLodged 28 Apr 2009
- GrantedExtension
Demolition of existing pitched roof single storey room to the rear of house replaced by a single storey flat…
5, Rossmore Road, Dublin 6w
SD14B/0066South DublinLodged 11 Mar 2014
- GrantedExtension
Demolition of existing single storey outbuilding, the construction of a 2 storey extension to rear of…
126, Drumcondra Road Upper, Drumcondra, Dublin 9
WEB1729/20Dublin CityLodged 22 Oct 2020
- GrantedExtension
Demolition of existing single-storey rear extension. Construction of a part single-storey, part first-floor…
58, Croydon Green, Marino, Dublin 3
WEB1763/26Dublin CityLodged 1 Apr 2026
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