Knockadoo, Glenalua Road, Killiney, Dublin, A96KF66 (ACA)
Demolition of a garage and construction of a two-storey rear extension to an existing house.
D26A/0028/WEB · Dun Laoghaire Rathdown County Council · Lodged 20 January 2026
- Reference
- D26A/0028/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Appealed
- Type
- Permission
- Received
- 20 January 2026
Summary
AI-generatedThe development on a 0.1139ha site involves the demolition of an existing garage structure and the construction of a two-storey rear extension with a partial lower-ground level. The extension will have a gross floor area of approximately 96.4 sq.m.
- Storeys
- 2
- Floor area
- 96 m²
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
The proposed development on a 0.1139ha site shall consist of the following: demolition of existing garage structure within the curtilage of the existing dwelling known as ‘knockadoo’; construction of a two-storey extension with partial lower-ground level to the rear of the existing two-storey dwelling, with a total gross floor area of approximately 96.4 sq. M; minor alterations to the existing dwelling to accommodate the extension; provision of revised landscaping, boundary treatments, and associated site works; connection to existing public water mains, foul and surface water drainage networks, and all ancillary development 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 |
|---|---|---|---|
| Talbot House, Talbot Rd, Killiney | Dec 2025 | €1,345,000 | 33 m |
| 13 Glenalua Terrace, Killiney, Co Dublin | Apr 2025 | €386,666 | 44 m |
| 2 Glenalua Terrace, Glenalua Rd, Killiney | Apr 2026 | €650,000 | 66 m |
| Hillview, Glenalua Road, Killiney | Feb 2026 | €784,000 | 66 m |
| Stone Cottage, 6a Glenalua Rd, Killiney | Jul 2025 | €492,500 | 71 m |
| Brize 21 Glenalua Terrace, Glenalua Rd, Killineynot full market price | Apr 2026 | €370,000 | 83 m |
| 4 Killiney Hill Cottages, Killiney Hill Road, Killiney | Jul 2025 | €540,000 | 95 m |
| 5 Killiney Hill Cottages, Killiney Hill Road, Killiney | Sept 2025 | €620,000 | 97 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 received20 January 2026
- Decision due16 March 2026
- Decision issued9 March 2026
- Appeal submitted2 April 2026
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 renovation and extension of existing single storey to front, two storey house to rear, works…
Tenerife, Glenalua Road, Killiney, Co Dublin
D15A/0537Dún Laoghaire–RathdownLodged 6 Nov 2015Extension
- Granted40 m away
Demolition of an existing dwelling and the erection of 1 no. 2 storey detached 3 bedroom house with a balcony…
TALBOT COTTAGE, TALBOT ROAD, KILLINEY, CO. DUBLIN
D04A/1005Dún Laoghaire–RathdownLodged 31 Aug 2004New dwelling
- Granted40 m away
Permission is sought for single storey flat roof extension to the rear containing stair and single storey…
Talbot House, Talbot Road, Killiney, Dublin, A96AK15
D24A/0028Dún Laoghaire–RathdownLodged 17 Jan 2024Extension
- Refused40 m away
Single storey flat roof extension to the rear and single storey flat roof extension at roof level with a…
Talbot House, Talbot Road, Killiney, Dublin, A96AK15
D23A/0448Dún Laoghaire–RathdownLodged 5 Jul 2023Extension
- Not exempt — permission needed40 m away
Demolition of the existing kitchen extension — Thermal upgrade, renovation, and remodeling of the existing…
12, Glenalua Terrace, Glenalua Road, Killiney, Dublin, A96DE78
REF3524Dún Laoghaire–RathdownLodged 18 Apr 2024Extension
- Granted40 m away
Permission is sought for the following: a) provision of a new two storey extension of 29sqm floor area to…
14, Glenalua Road, Killiney, Co. Dublin
D07B/0506Dún Laoghaire–RathdownLodged 5 Jun 2007Extension
- Granted40 m away
Permission for — Demolition of the existing kitchen extension
12, Glenalua Terrace, Glenalua Road, Killiney, Dublin, A96DE78
D24A/0362Dún Laoghaire–RathdownLodged 24 May 2024Extension
- Granted50 m away
Demolition of existing side porch, partial demolition of front boundary wall and steps to be replaced with a…
15, Glenalua Road, Killiney, Co. Dublin
D06A/0189Dún Laoghaire–RathdownLodged 13 Feb 2006Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedChange of use
The proposed development will incorporate the following: (a) change of use from an existing domestic garage…
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4310/19Dublin CityLodged 25 Oct 2019
- Awaiting decisionExtension
The development will consist of the demolition of portions of the existing dwelling including parts of the…
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5152/26Dublin CityLodged 11 Jun 2026
- GrantedExtension
The development will consist of (a) demolition works to the side of the existing dwelling, measuring 19.7m2…
86, Bird Avenue, Clonskeagh, Dublin 14, D14EK50
D24A/0454/WEBDún Laoghaire–RathdownLodged 27 Jun 2024
- GrantedExtension
Permission for development to consist of — proposed demolition of the existing single storey detached garage…
Kilmacroy Td. , Ballyfarnon , Boyle Co. Roscommon
2460246RoscommonLodged 31 May 2024
- GrantedExtension
(a) Demolition of existing single storey garage (15.24sqm) to the side and single storey residential…
Galmoy, 8, Roebuck Road, Dublin 14, D14X276
D23B/0535Dún Laoghaire–RathdownLodged 21 Nov 2023
- GrantedExtension
The development will consist of — Demolition of single storey structure to rear of existing dwelling and…
29 Valentia Road, Dublin 9, D09 CP20
WEB5861/25Dublin CityLodged 3 Dec 2025
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