12 Avondale Road, Killiney, Co. Dublin
Demolition of a rear conservatory and chimneys to build a single-storey rear extension and attic conversion with a rear dormer.
D20A/0111 · Dun Laoghaire Rathdown County Council · Lodged 12 February 2020
- Reference
- D20A/0111
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 12 February 2020
Summary
AI-generatedThe project includes removing the existing rear conservatory and two chimneys. It will feature a new single-storey rear extension, an attic conversion with a rear dormer window, a front entrance canopy, and a widened vehicular entrance.
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 the removal of the existing single storey rear conservatory extension and the two existing chimneys. The construction of a single storey extension to the rear of the existing house. The conversion of the attic space with a new dormer window to the rear and a rooflight to the front. The addition of a canopy to the front entrance. The widening of the existing vehicular entrance to the front of the house together with all ancillary site works and landscaping.
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 7 December 2020.
Notified floor area: 180 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| Apartment 14, Feldburg, Glenageary Road Upper | Aug 2025 | €477,500 | 46 m |
| 18 Avondale Rd, Killiney, Dublin | Jul 2025 | €935,000 | 50 m |
| 4 Avondale Rd, Killiney, Dublin | Mar 2025 | €875,000 | 58 m |
| 22 Avondale Rd, Killiney, Dublin | Aug 2025 | €935,000 | 126 m |
| Rosney House, Albert Road, Glenageary | Nov 2025 | €2,750,000 | 158 m |
| 24 Bellevue Ave, Glenageary, Dublin | Jan 2025 | €1,580,000 | 162 m |
| 9 Proby Hall, Killiney Rd, Killiney | Mar 2025 | €478,000 | 170 m |
| 6 Proby Hall, Killiney Rd, Killiney | Dec 2025 | €476,300 | 170 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 February 2020
- Decision issued27 May 2020
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted30 m away
Addition of a ground floor pitched roof extension to the rear of the existing residence with the addition of…
8, Avondale Road, Killiney, Co. Dublin
D07B/0777Dún Laoghaire–RathdownLodged 27 Aug 2007Extension
- Granted40 m away
The development will consist of (a) single storey extension to the rear with hipped roof and roof lights, (b)…
6, Avondale Road, Killiney, Co. Dublin
D06B/0119Dún Laoghaire–RathdownLodged 16 Feb 2006Extension
- Granted60 m away
Conversion of existing store at rear to habitable room (28 m2) and the construction of conservatory (26 m2)…
234, Upper Glenageary Road, Glenageary, Co. Dublin.
D04B/0022Dún Laoghaire–RathdownLodged 16 Jan 2004Extension
- Granted60 m away
Permission for development. The development will consist of demolition of 2 no. existing dwellings and…
230 and 234, Glenageary Road Upper, Glenageary, Co. Dublin
D16A/0967Dún Laoghaire–RathdownLodged 23 Mar 2017Apartments
- Refused60 m away
Permission sought for development at No. 230 and No. 234 Glenageary Road Upper. The development will consist…
230 and 234, Glenageary Road Upper, Glenageary, Co. Dublin
D15A/0808Dún Laoghaire–RathdownLodged 11 Dec 2015Housing estate
- Granted60 m away
Permission sought for demolition of existing single storey pitched roof conservatory extension and…
20, Avondale Road, Killiney, Co Dublin
D07B/0271Dún Laoghaire–RathdownLodged 27 Mar 2007Extension
- Granted70 m away
Permission is sought for alterations and extensions to the rear 11, Avondale Road, Killiney, Co. Dublin
11, Avondale Road, Killiney, Co. Dublin
D09B/0357Dún Laoghaire–RathdownLodged 14 Aug 2009Extension
- Granted80 m away
Attic conversion to bedroom with two no. dormer windows to front and two no. roof lights to side
5, Avondale Road, Killiney, Co. Dublin
D04B/0032Dún Laoghaire–RathdownLodged 21 Jan 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.
- GrantedExtension
Permission is sought for (A) The removal of a single storey conservatory, single storey lean-to and existing…
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D24B/0446Dún Laoghaire–RathdownLodged 18 Oct 2024
- GrantedExtension
Permission for single storey extension to side and rear of existing house, provision of dormer to front…
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D16A/0032Dún Laoghaire–RathdownLodged 22 Mar 2016
- GrantedExtension
Permission for a single storey extension to rear and attic conversion to existing roof with dormer windows to…
1 Woodlawn Park, Churchtown, Dublin 14
D20A/0038Dún Laoghaire–RathdownLodged 20 Jan 2020
- GrantedExtension
Permission is sought for the removal of the existing extension to the rear and the first floor extension to…
94, Castle Avenue, Clontarf, Dublin 3
4210/18Dublin CityLodged 19 Oct 2018
- GrantedExtension
Permission for the demolition of existing single storey conservatory and extension to the rear, the…
23 Lawnswood Park, Stillorgan, Co Dublin A94 D882
D18A/1142Dún Laoghaire–RathdownLodged 6 Dec 2018
- GrantedExtension
Permission for the demolition of existing single storey extension to side, removal of main roof and chimney…
15 Dalkey Grove, Dalkey, Co Dublin
D15A/0427Dún Laoghaire–RathdownLodged 2 Jul 2015
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