47 South Avenue, Mount Merrion, Co Dublin
Garage conversion, new hipped roof over bedrooms, rear conservatory, and new windows.
D19B/0472 · Dun Laoghaire Rathdown County Council · Lodged 12 November 2019
- Reference
- D19B/0472
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 12 November 2019
Summary
AI-generatedThe project involves converting an existing garage into a breakfast room and adding a new conservatory to the rear. It also includes a new hipped roof over the existing first-floor flat roof and new windows.
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 conversion of garage to breakfast room, new hipped roof over existing first floor flat roof over existing bedrooms to the side, new single storey conservatory to the rear and new windows.
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 6 July 2020.
Notified floor area: 27 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| Thornhill, Cherry Garth, Mount Merrion | Aug 2025 | €1,750,000 | 46 m |
| 32 South Ave, Mount Merrion, Dublin | Jan 2026 | €1,725,000 | 52 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 54 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 63 m |
| 62 Thornhill Oaks, Blackrock, Co. Dublinprice excludes VAT | Mar 2026 | €859,031 | 64 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT | Jan 2025 | €1,145,374 | 65 m |
| 49 Thornhill Oaks, Cherry Garth, Mount Merrion | Dec 2025 | €1,430,135 | 70 m |
| 63 Thornhill Oaks, Blackrock, Co. Dublin | May 2026 | €870,000 | 72 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 received12 November 2019
- Decision issued15 January 2020
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
Demolish an existing garage to side and single storey flat roof kitchen to therear of the existing semi…
51, SOUTH AVENUE, MOUNT MERRION, CO. DUBLIN
D04B/0703Dún Laoghaire–RathdownLodged 20 Sept 2004Extension
- Granted40 m away
Permission for development. The development will consist of: The demolition of the single storey extension to…
53 South Avenue, Mount Merrion, Co. Dublin, A94 E6W4
D21B/0045Dún Laoghaire–RathdownLodged 11 Feb 2021Extension
- Granted40 m away
Construction of a single storey extension to the front and side
39, South Avenue, Kilmacud, Stillorgan, Co. Dublin
D06B/0410Dún Laoghaire–RathdownLodged 10 May 2006Extension
- Granted40 m away
Permission to construct single storey extension to the front and a 2 storey extension to side of 39 South…
39, South Avenue, Mount Merrion,Stillorgan, Co. Dublin
D06B/1071Dún Laoghaire–RathdownLodged 16 Feb 2007Extension
- Granted50 m away
(A) Demolition of existing single storey extension to rear and construction of new single storey extension to…
55, South Avenue, Mount Merrion, Co. Dublin
D04B/0597Dún Laoghaire–RathdownLodged 29 Jul 2004Extension
- Granted50 m away
Demolition of existing single storey garage to side and single storey extension to rear, and construction of…
37, South Avenue, Kilmacud, Co. Dublin
D06B/0762Dún Laoghaire–RathdownLodged 22 Aug 2006Extension
- Granted60 m away
Permission for Retention of alterations to previously approved works (File. Ref: D08B/0808) including revised…
35 South Avenue, Mount Merrion, Co Dublin
D18B/0043Dún Laoghaire–RathdownLodged 1 Feb 2018Retention
- Granted60 m away
Demolition of existing single storey garage to side and single storey extension to rear, and construction of…
35, South Avenue, Mount Merrion, Co. Dublin
D08B/0808Dún Laoghaire–RathdownLodged 5 Dec 2008Extension
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 the demolition of the existing conservatory and utility room, conversion of the existing…
2 Harlech Grove, Clonskeagh, Dublin 14
D19B/0078Dún Laoghaire–RathdownLodged 15 Feb 2019
- GrantedExtension
Permission for partial conversion of garage into habitable room; removal of garage pitched roof; single…
31 Ardagh Park, Blackrock, Co. Dublin, A94TN35
D20B/0066/EDún Laoghaire–RathdownLodged 9 Sept 2025
- GrantedRetention
Permission to retain a relocated single storey conservatory, conversion of previously granted attached garage…
Tullyhirm Td , Monaghan , Co Monaghan
19264MonaghanLodged 12 Jun 2019
- GrantedChange of use
Permission for conversion of domestic garage (attached to house) to habitable accommodation including…
73 Springhill Park, Dalkey, Co. Dublin A96 R766
D20B/0190Dún Laoghaire–RathdownLodged 1 Jul 2020
- GrantedExtension
Permission for a single storey extension to the rear, including 3 no. roof lights, convert garage with new…
144 Balally Drive, Dundrum, Dublin 14
D15B/0154Dún Laoghaire–RathdownLodged 1 May 2015
- GrantedExtension
Permission to erect a garage and utility room to the side, remove an existing conservatory to the rear and…
33 Parkwood , Roschoill , Drogheda
19758LouthLodged 16 Sept 2019
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