Quorndon, 34, Saint Thomas's Road, Mount Merrion, Co. Dublin
Retention of boundary wall changes, a garden room rooflight, and extensions to a house in Mount Merrion.
D12B/0366 · Dun Laoghaire Rathdown County Council · Lodged 16 November 2012
- Reference
- D12B/0366
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission for Retention
- Received
- 16 November 2012
Summary
AI-generatedRetention permission is sought for a revised front boundary wall and gate piers. It also includes a rooflight on the garden room, an increased length to the rear dining room, and minor height increases to the single-storey rooms and front bay roof.
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
Retention permission is sought for revised front boundary wall treatment and gate piers, cleristory lantern rooflight to garden room, increase in length of single storey formal dining room to rear by 1.3m and increase in parapet height to single storey rooms by 0.23m, increase in height of 0.3m and new lead roof to front bay and ground floor window moved from utility room into shower 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 | 13 m |
| 14 St Thomas Road, Mount Merrion, Blackrock | Jul 2025 | €1,750,000 | 149 m |
| 33 North Avenue, Mount Merrion, Blackrock | Sept 2025 | €2,365,000 | 153 m |
| 14 Mather Rd North, Mount Merrion, Dublin | Jan 2026 | €1,845,000 | 178 m |
| 9 Cypress Road, Mount Merrion, Co Dublin | Jun 2026 | €1,230,000 | 198 m |
| 19 Cypress Road, Mount Merrion, Dublin | Jun 2026 | €1,210,000 | 232 m |
| 45 Greenfield Rd, Mount Merrion, Dublin | Nov 2025 | €1,390,000 | 293 m |
| 12 Foster Ave, Mt Merrion, Dublin | Oct 2025 | €1,410,000 | 310 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 received16 November 2012
- Decision issued16 January 2013
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
Demolition of existing garage to side, lean-to to rear and construction of new two storey extension to side…
Quorndon, 34, Saint Thomas Road, Mount Merrion, Co. Dublin
D06A/0929Dún Laoghaire–RathdownLodged 3 Jul 2006Extension
- Compliance submissionAt this site
Compliance with Condition no. 3 of Reg Ref No. D23A/0741
32, Saint Thomas Road, Mount Merrion, Dublin, A94F973
D23A/0741/C2Dún Laoghaire–RathdownLodged 24 May 2024Other
- Exempt — no permission neededAt this site
1 dwelling
32, St Thomas Road, Mount Merrion, Co.Dublin, A94F973
V/090/23Dún Laoghaire–RathdownLodged 27 Nov 2023
- Compliance submissionAt this site
Compliance with Condition no. 2 of Reg Ref No. D23A/0741
32, Saint Thomas Road, Mount Merrion, Dublin, A94F973
D23A/0741/C1Dún Laoghaire–RathdownLodged 24 May 2024Other
- GrantedAt this site
Demolition of existing detached two-storey dwelling house. Construction of two-storey detached replacement…
32, Saint Thomas Road, Mount Merrion, Dublin, A94F973
D23A/0741Dún Laoghaire–RathdownLodged 23 Nov 2023New dwelling
- Granted30 m away
For the demolition of the previous side extension over the garage and the utility room at the rear and…
38, Saint Thomas Road, Mount Merrion, Co. Dublin
D05B/0658Dún Laoghaire–RathdownLodged 2 Sept 2005Extension
- Granted50 m away
Permission is sought for removal of existing garage and stores to side and rear; new ground floor extension…
6, North Avenue, Mount Merrion, Co. Dublin
D12A/0390Dún Laoghaire–RathdownLodged 4 Oct 2012Extension
- Refused50 m away
Demolition of existing detached two-storey dwelling and the construction of a new detached single family,…
'Hillberry', 28, St. Thomas Road, Blackrock.
D03A/0514Dún Laoghaire–RathdownLodged 27 May 2003New dwelling
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