121 The Sycamores, Shanganagh Road, Killiney, Co Dublin A96 PX00
A two-storey side extension, roof lights, and associated site works at an existing house in Killiney.
D17B/0015 · Dun Laoghaire Rathdown County Council · Lodged 12 January 2017
- Reference
- D17B/0015
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 12 January 2017
Summary
AI-generatedThe application seeks permission for a 53.9 sqm two-storey extension to the north side of an existing 85.5 sqm house. The works include a projecting bay window at the first floor, additional roof lights, rear window alterations, and the relocation of a garden shed.
- Storeys
- 2
- Floor area
- 54 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
Permission for 53.9 sqm two storey extension (including projecting bay at first floor) to north side of 85.5 sqm existing house, additional velux roof lights to front and rear, fenestration alterations to rear and associated site works, including relocation of garden shed to north-east corner of back garden.
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 5 July 2017.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 6 Emerald Lodge, Shanganagh Rd, Killiney | Jun 2026 | €452,000 | 41 m |
| 44 The Hawthorns, Abberley, Killiney | May 2026 | €560,000 | 73 m |
| 115 The Elms, Abberley, Killiney | Aug 2025 | €590,500 | 76 m |
| 97 The Willows, Abberley, Killiney | Jan 2026 | €437,020 | 198 m |
| 67 Ennel Court, Ballybrack, Dublin | Jun 2025 | €80,000 | 210 m |
| Apt 22 Sycamore, Ridge Hall, Ballybrack | Jun 2025 | €429,950 | 210 m |
| Apt 9 - Sycamore, Ridge Hall, Ballybrack | Dec 2025 | €400,000 | 210 m |
| Apt 13 Ridgehall, Ballybrack Village, Co Dublin | Jul 2026 | €415,000 | 210 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 January 2017
- Decision issued6 March 2017
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted40 m away
First floor extension to side, new porch and bay window to front and rooflight over stairs. [LOCATION] 2…
2 Albany Court, Killiney, Co. Dublin.
D02B/0218Dún Laoghaire–RathdownLodged 16 Apr 2002Extension
- Granted40 m away
Permission for a domestic extension and alterations to existing detached dwelling comprised of single storey…
3 Albany Court, Shanganagh Road, Killiney, Co Dublin
D19B/0163Dún Laoghaire–RathdownLodged 1 Apr 2019Extension
- Granted40 m away
Planning permission for the construction of a single-storey rear extension, a garage to the side, the…
1, Albany Court, Shanganagh Road, Ballybrack, Co. Dublin
D12A/0338Dún Laoghaire–RathdownLodged 31 Aug 2012Change of use
- Refused60 m away
Alterations to previously granted application Ref D03B/0575. Alterations consisting of a two storey extension…
1 Emerald Lodge, Shanganagh Road, Ballybrack, Co. Dublin
D07A/1429Dún Laoghaire–RathdownLodged 11 Oct 2007Extension
- Invalid60 m away
Alterations to previously granted application Ref D03A/0575. Alterations consisting of a two storey extension…
1, Emerald Lodge, Shanganagh Road, Ballybrack, Co. Dublin.
D07A/1219Dún Laoghaire–RathdownLodged 24 Aug 2007Alterations
- Granted60 m away
Permission for development consisting of changes to front elevation of house including ground floor extension…
1, Emerald Lodge, Shanganagh Road, Ballybrack, Co. Dublin
D13B/0079Dún Laoghaire–RathdownLodged 8 Mar 2013Extension
- Granted60 m away
29.4 sq.m single storey extension with canopy to rear and side of exisitng garage to main house — Replacement…
4, Albany Court, Ballybrack, Co. Dublin
D05A/1133Dún Laoghaire–RathdownLodged 2 Sept 2005Extension
- Granted70 m away
Two storey extension to side with alterations to internal areas, with attic conversion and Velux windows to…
1, Emerald Lodge, Shanganagh Road, Ballybrack, Co. Dublin
D03B/0575Dún Laoghaire–RathdownLodged 17 Oct 2003Extension
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 a two storey extension to the side of the house (South East elevation) and a first floor…
14 Carrickmines Oaks, Carrickmines Wood, Dublin 18
D14A/0646Dún Laoghaire–RathdownLodged 8 Oct 2014
- GrantedExtension
Permission for construction of two storey extension to the side and single storey extension to the front and…
2, Sweetmount Park, Dundrum, Dublin 14
D13B/0392Dún Laoghaire–RathdownLodged 10 Dec 2013
- GrantedExtension
Permission for a two storey extension to the rear of the house (west elevation), a first floor extension to…
12 Carrickmines Oaks, Carrickmines Wood, Dublin 18
D15B/0474Dún Laoghaire–RathdownLodged 23 Dec 2015
- GrantedExtension
Permission for: two storey extension to side and rear with new bay window to front to match existing, with…
46 Obelisk Avenue, Blackrock, Co Dublin
D15B/0050Dún Laoghaire–RathdownLodged 27 Feb 2015
- GrantedExtension
Permission for 25.2 sq m single storey extension to rear and 12.8 sq m first floor extension over part flat…
86 Marley Court South, Rathfarnham Dublin 14, D14 HR99
D20B/0259Dún Laoghaire–RathdownLodged 31 Aug 2020
- GrantedExtension
Permission is sought for the construction of a two-storey side/rear extension and single-storey front and…
1 Castle Close Road , Blarney , Co. Cork
2342443Cork CityLodged 13 Nov 2023
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