Burnside, 39 Saint Thomas Road, Mount Merrion, Co Dublin
Retention of two side extensions to the house.
D15B/0113 · Dun Laoghaire Rathdown County Council · Lodged 7 April 2015
- Reference
- D15B/0113
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission for Retention
- Received
- 7 April 2015
Summary
AI-generatedRetention permission is sought for two extensions built to the side of the house. These extensions enlarge the lower ground floor dining room, upper ground floor dining room, and ground floor living room.
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 two extensions to side of house, comprising of the extensions of lower ground floor dining room, upper ground floor dining room and ground floor living room.
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 |
|---|---|---|---|
| 32 St Thomas Rd, Mount Merrion, Dublin | Mar 2025 | €1,900,000 | 79 m |
| 14 St Thomas Road, Mount Merrion, Blackrock | Jul 2025 | €1,750,000 | 166 m |
| 14 Mather Rd North, Mount Merrion, Dublin | Jan 2026 | €1,845,000 | 185 m |
| 33 North Avenue, Mount Merrion, Blackrock | Sept 2025 | €2,365,000 | 223 m |
| 9 Cypress Road, Mount Merrion, Co Dublin | Jun 2026 | €1,230,000 | 245 m |
| 12 Foster Ave, Mt Merrion, Dublin | Oct 2025 | €1,410,000 | 273 m |
| 19 Cypress Road, Mount Merrion, Dublin | Jun 2026 | €1,210,000 | 288 m |
| Apartments 1-11, Fitzwilliam Court, The Rise Mount Merrion | Dec 2025 | €4,400,000 | 344 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 received7 April 2015
- Decision issued26 May 2015
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 for retention of changes made to the site levels to the rear garden and permission for new screen…
Burnside, 39 Saint Thomas Road, Mount Merrion, Co Dublin
D19A/0113Dún Laoghaire–RathdownLodged 18 Feb 2019Retention
- WithdrawnAt this site
Retention Permission for development. Permission is sought for retention of changes made to the site levels…
Burnside, 39, Saint Thomas Road, Mount Merrion, Co Dublin
D18A/0553Dún Laoghaire–RathdownLodged 11 Dec 2018Retention
- GrantedAt this site
Permission for development is sought for alterations to previously approved planning permission reg. ref.…
Burnside, 39, Saint Thomas Road, Mount Merrion, Co Dublin
D17A/0576Dún Laoghaire–RathdownLodged 23 Jun 2017Alterations
- GrantedAt this site
Permission for demolition of existing extensions to the side and rear and the construction of a single storey…
Burnside, St Thomas Road, Mount Merrion, Co Dublin
D16A/0438Dún Laoghaire–RathdownLodged 16 Jun 2016Extension
- GrantedAt this site
Alterations to D23B/0241. A) Extended living space to rear of dwelling with flat roof and rooflight, to…
37, Auburn, Saint Thomas' Road, Mount Merrion, Blackrock, Dublin, A94EN83
D23B/0572Dún Laoghaire–RathdownLodged 12 Dec 2023Alterations
- GrantedAt this site
A) Removal of existing flat-roof dormer and 2no chimneys to side and rear of existing dwelling, and b) the…
Auburn, 37 Saint Thomas Road, Mount Merrion, Blackrock, Dublin, A94EN83
D23B/0241Dún Laoghaire–RathdownLodged 19 May 2023Extension
- Awaiting decisionAt this site
Compliance with Condition No. 3 of Reg. Ref. D23B/0241
Auburn, 37 Saint Thomas Road, Mount Merrion, Blackrock, Dublin, A94EN83
D23B/0241/C1Dún Laoghaire–RathdownLodged 27 Mar 2024Other
- GrantedAt this site
Retention Permission is sought for retention of alterations and additional alterations to previously granted…
Karinya, North Avenue, Mount Merrion, Co Dublin
D19A/0940Dún Laoghaire–RathdownLodged 4 Dec 2019Retention
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
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- GrantedExtension
Planning permission for the following — Two storey extensions to front and rear of existing house
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D22B/0335Dún Laoghaire–RathdownLodged 18 Jul 2022
- GrantedExtension
Permission for construction of two storey extension to the side and single storey extension to the front and…
2, Sweetmount Park, Dundrum, Dublin 14
D13B/0392Dún Laoghaire–RathdownLodged 10 Dec 2013
- GrantedExtension
Permission for single storey ground floor extension to front and two storey extension to rear, incorporating…
34 Hazel Avenue, Kilmacud, Stillorgan, Co Dublin
D16B/0014Dún Laoghaire–RathdownLodged 16 Mar 2016
- GrantedExtension
Permission for construction of a single storey front and side extension, permission for construction of a two…
Iolana , Moneygourney , Douglas
2039279Cork CityLodged 12 May 2020
- GrantedExtension
Permission for alterations and extensions to dwelling house consisting of a two-storey side extension, ground…
Hollyhill, Kinsale, Co. Cork, P17 FW99.
25/6071corkLodged 1 Oct 2025
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