46, Thornhill Road, Mount Merrion, Co. Dublin
Single-storey rear extension and a two-storey side and front extension to an existing house.
D05B/0470 · Dun Laoghaire Rathdown County Council · Lodged 22 June 2005
- Reference
- D05B/0470
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 22 June 2005
Summary
AI-generatedThe proposed works include a single-storey rear dining room extension. It also features a two-storey extension to the side and front of the dwelling to accommodate a new TV room, bedroom, and en-suite, alongside a single-storey front porch.
- 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
- For the following development
- (a) a single storey rear dining room rear dining room extension. (b) a two storey extension to side and front of existing dwelling consisting of new t. V. Room bedroom and en-suite with pitched roof plus single storey porch extension to front
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 |
|---|---|---|---|
| 7 Clonmore Rd, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 115 m |
| 98 Lr Kilmacud Rd, Stillorgan, Dublin | Jul 2025 | €1,187,000 | 128 m |
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 186 m |
| 13 Redesdale Rd, Mount Merrion, Dublin | Sept 2025 | €850,000 | 194 m |
| 10 Redesdale Rd, Mount Merrion, Co Dublin | Jun 2026 | €1,220,000 | 196 m |
| 17 Dale Close, Stillorgan | Nov 2025 | €920,000 | 204 m |
| 2 Redesdale Court, Redesdale Rd, Mount Merrion | Nov 2025 | €650,000 | 210 m |
| 44 Slieve Rua Dr, Kilmacud, Blackrock | Feb 2025 | €860,000 | 213 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 received22 June 2005
- Decision issued16 August 2005
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
The development will consist of modifications and extensions to dwelling incorporating new single storey bay…
48, Thornhill Road, Mount Merrion, Co. Dublin
D08B/0019Dún Laoghaire–RathdownLodged 16 Jan 2008Extension
- RefusedAt this site
Modifications and extensions to dwelling incorporating new single storey bay window to existing living room &…
48, Thornhill Road, Mount Merrion, Co. Dublin
D07B/0842Dún Laoghaire–RathdownLodged 28 Sept 2007Extension
- GrantedAt this site
Permission for the construction of a single storey bay window with extended roof over porch; demolition of…
50, Thornhill Road, Mount Merrion, Co. Dublin
D14B/0230Dún Laoghaire–RathdownLodged 26 Jun 2014Extension
- GrantedAt this site
Permission is sought for demolition of existing single storey flat roof extension to rear and side garage and…
42, Thornhill Road, Mount Merrion, Co. Dublin
D12A/0504Dún Laoghaire–RathdownLodged 18 Dec 2012Extension
- Invalid30 m away
Permission is sought for modifications to previously permitted Planning Application reg/ref: D23A/0302 to…
40, Thornhill Road, Mount Merrion, Blackrock, Dublin, A94K4X0
D24A/0906/WEBDún Laoghaire–RathdownLodged 13 Nov 2024Retention
- Granted30 m away
Retention Permission is sought for demolition of the existing dwelling and garage in its entirety, Permission…
40, Thornhill Road, Mount Merrion, Blackrock, Dublin, A94K4X0
D25A/0089/WEBDún Laoghaire–RathdownLodged 6 Feb 2025New dwelling
- Granted30 m away
Demolition of the single storey conservatory extension to rear and the garage and store to side to allow for…
40, Thornhill Road, Mount Merrion, Blackrock, Dublin, A94K4X0
D23A/0302Dún Laoghaire–RathdownLodged 8 May 2023Extension
- Granted30 m away
Single storey pitched roof extension to rear
52, Thornhill Road, Blackrock, Co. Dublin
D04B/0236Dún Laoghaire–RathdownLodged 29 Mar 2004Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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SD19B/0162South DublinLodged 18 Apr 2019
- GrantedExtension
Permission for development which will consist of — To construct a single & two storey extension to the rear…
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2138Galway CityLodged 18 Feb 2021
- GrantedExtension
For development consisting of construction of a two storey extension to the rear and north side of an…
The Wave, Harbour Road, Bullock Harbour, Co. Dalkey.
D05B/0360Dún Laoghaire–RathdownLodged 17 May 2005
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