17, Thornhill Road, Mount Merrion, Co. Dublin
Renovation of a two-storey house, a single-storey rear and side extension, and widening of the front access.
D13A/0256 · Dun Laoghaire Rathdown County Council · Lodged 23 May 2013
- Reference
- D13A/0256
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 May 2013
Summary
AI-generatedThe project involves renovating the existing two-storey house and constructing a single-storey extension to the rear and side. It also includes removing a chimney, widening the front vehicular access, and moving the gate posts.
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 development consisting of the renovation of existing two storey house; the construction of a single storey extension to rear and side, including removal of chimney and the widening of front access, moving of gate posts with ancillary site works.
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 |
|---|---|---|---|
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 55 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 118 m |
| 32 South Ave, Mount Merrion, Dublin | Jan 2026 | €1,725,000 | 118 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 122 m |
| 7 Clonmore Rd, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 140 m |
| 14 South Avenue, Mount Merrion, Co Dublin | Sept 2025 | €920,000 | 173 m |
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 206 m |
| Thornhill, Cherry Garth, Mount Merrion | Aug 2025 | €1,750,000 | 211 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 received23 May 2013
- Decision issued11 July 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
Permission for development at this site. The development will consist of — Demolition of existing garage
17, Thornhill Road, Mount Merrion, Dublin, A94EOW6
D20B/0358Dún Laoghaire–RathdownLodged 25 Feb 2021Extension
- GrantedAt this site
Raising pitched roof of existing extension to front. Alterations to front elevation including tyrolene…
15 Thornhill Road, Mount Merrion, Co. Dublin.
D02B/0436Dún Laoghaire–RathdownLodged 11 Jun 2002Extension
- GrantedAt this site
Demolition of existing single storey extension to front, side and rear. Construction of new single storey…
15 Thornhill Road, Mount Merrion, Co. Dublin.
D02B/0895Dún Laoghaire–RathdownLodged 4 Dec 2002Extension
- GrantedAt this site
Single storey extension to side and rear of existing residence with new porch and associated works.…
13 Thornhill Road, Mount Merrion, Co. Dublin.
D02B/0091Dún Laoghaire–RathdownLodged 1 Mar 2002Extension
- Granted50 m away
Permission for the following, including all associated site-works: a) Internal alterations at ground floor…
27 Clonmore Road, Mount Merrion, Blackrock, County Dublin (A94 C1P3)
D21A/0233Dún Laoghaire–RathdownLodged 6 Jul 2021Extension
- Granted50 m away
Permission for development at this site. The development will consist of widening the entrance gate to front…
18, Thornhill Road, Mount Merrion, Co. Dublin
D13A/0274Dún Laoghaire–RathdownLodged 29 May 2013Alterations
- Granted50 m away
Permission sought for proposed demolition of existing garage and construction of two story extension at side,…
27, Thornhill Road, Mount Merrion, Co. Dublin
D05A/0897Dún Laoghaire–RathdownLodged 13 Jul 2005Extension
- Granted50 m away
The development will consist of the demolition of the existing garage, various outhouses and the removal of…
7, Thornhill Road, Mount Merrion, Blackrock, County Dublin, A94D1WS
D21A/0635Dún Laoghaire–RathdownLodged 7 Jul 2021Extension
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 alterations to existing dwelling; removal of side elevation openings; demolition of chimney…
13 Seapoint Avenue, Blackrock, Co Dublin
D15A/0090Dún Laoghaire–RathdownLodged 7 Aug 2015
- InvalidExtension
Permission for alterations and extensions to existing house, comprising internal modifications, demolition of…
1 Dundela Avenue, Sandycove, Co Dublin
D14B/0389Dún Laoghaire–RathdownLodged 14 Nov 2014
- GrantedExtension
Permission for alterations and extensions to existing house comprising internal modifications, demolition of…
1 Dundela Avenue, Sandycove, Co Dublin
D14B/0455Dún Laoghaire–RathdownLodged 22 Dec 2014
- Awaiting decisionExtension
Permission for development which will consist of alterations and extensions to the existing two storey house…
7 Manor Avenue , Kingston , Galway
1657Galway CityLodged 10 Mar 2016
- GrantedExtension
Permission for development which consists of renovation of existing house with new extensions to the front…
3 Seamount , Salthill , Galway
23173Galway CityLodged 6 Jul 2023
- RefusedExtension
Permission for development consisting of alterations and extending an existing dwelling house, including…
Hawthorns, Barnhill Lawn, Atmospheric Road, Dalkey, Co. Dublin
D13A/0356Dún Laoghaire–RathdownLodged 12 Jul 2013
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