20, Bayview Lawns, Killiney, Co. Dublin
Two-storey side extension and alterations to a detached house in Killiney.
D09B/0320 · Dun Laoghaire Rathdown County Council · Lodged 21 July 2009
- Reference
- D09B/0320
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 21 July 2009
Summary
AI-generatedThe project involves alterations and a two-storey side extension to an existing three-bedroom detached house. The extension will provide a study and cloakroom on the ground floor, and a bedroom with a dressing area and bathroom on the first floor.
- Storeys
- 2
- Floor area
- 41 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
Planning permission is sought for alterations and two storey extension to side of house comprising 1 bedroom with dressing area and bathroom on first floor, and study and cloakroom on ground floor, of area 41.31sq. M and for velux rooflight at side of existing roof at no. 20, bayview lawns, killiney, co. Dublin, a two storey detached 3 bedroom house.
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 |
|---|---|---|---|
| 3 Bayview Lawns, Killiney, Dublin | Mar 2026 | €645,000 | 105 m |
| 42 Bayview Dr, Killiney, Dublin | Oct 2025 | €595,000 | 138 m |
| 20 Bayview Park, Killiney, Dublin | Jul 2025 | €624,950 | 162 m |
| 20 Bayview Dr, Killiney, Dublin | Jul 2025 | €586,000 | 172 m |
| 3 Bayview Rise, Killiney, Dublin | Jun 2026 | €700,000 | 174 m |
| 35a Bayview Drive, Killiney, Co Dublin | Feb 2026 | €705,500 | 182 m |
| 6 Bayview Rise, Killiney, Dublin | Sept 2025 | €640,000 | 198 m |
| 17 Bayview, Killiney Hill Rd, Killiney | Nov 2025 | €585,000 | 204 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 received21 July 2009
- Decision issued10 September 2009
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 sought for construction of single storey extension to rear, side and front of house with connected…
22, Bayview Lawns, Killiney, Co. Dublin (A96 PY66)
D18A/0880Dún Laoghaire–RathdownLodged 13 Sept 2018Extension
- RefusedAt this site
Permission for construction of single storey extension to rear, side and front of house with connected canopy…
22 Bayview Lawns, Killiney, Co Dublin A96 PY66
D18B/0122Dún Laoghaire–RathdownLodged 16 Mar 2018Extension
- Awaiting decision50 m away
A single storey extension to the side and rear and for the construction of a new east boundary wall…
1, Bayview Park, Killiney, Dublin, A96XA00
D26A/0069/WEBDún Laoghaire–RathdownLodged 4 Feb 2026Extension
- Granted50 m away
3 bed two storey detached house, (90 sq.metres) with new side gate onto Bayview Lawns and new vehicular drive…
1, Bayview Park, Killliney, Co. Dublin.
D04A/1248Dún Laoghaire–RathdownLodged 2 Feb 2005New dwelling
- Granted50 m away
Planning permission for development which will comprise of a new 3 bed two storey detached house, (90m2) with…
1, Bayview Park, Bayview, Killiney, Co. Dublin
D10A/0043Dún Laoghaire–RathdownLodged 14 May 2010New dwelling
- Refused50 m away
Permission is sought for a new 3 bed, brick and render, two storey detached house (90m.sq) with all…
1, Bayview Park, Killiney, Co Dublin
D21A/0348Dún Laoghaire–RathdownLodged 21 Apr 2021New dwelling
- Awaiting decision50 m away
Flood defences at key locations along the Carrickmines and Shanganagh rivers
Flood Relief Scheme for the Carrickmines-Shanganagh Rivers at sites in the townlands of, Woodside, Kilgobbin, Carrickmines, Brennanstown, Shankill, Loughlinstown, Shanganagh, Hackettsland
ABP32193725Dún Laoghaire–RathdownLodged 27 Feb 2025Infrastructure
- Refused120 m away
Permission sought for the construction of a two storey extension to the rear of property. The proposed…
2, Bayview Crescent, Killiney, Glenageary, Co. Dublin
D08B/0489Dún Laoghaire–RathdownLodged 30 Jun 2008Extension
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
Planning Permission sought for the following works at 35 The Cedars, Abberley, Killiney, Co. Dublin, A96…
35 The Cedars, Abberley, Killiney, Co. Dublin, A96YA24
D26B/0037/WEBDún Laoghaire–RathdownLodged 18 Jan 2026
- GrantedExtension
Permission is sought for the construction of a single storey outbuilding and extensions to existing detached…
Colza, Seafield Road, Killiney, Co. Dublin, A96RX97
D20A/0425Dún Laoghaire–RathdownLodged 19 Jun 2020
- RefusedExtension
Planning permission sought for an extension and alterations to existing detached dwelling at 41, Glen Lawn…
41, Glen Lawn Drive, The Park, Cabinteely, Dublin 18
D09B/0259Dún Laoghaire–RathdownLodged 17 Jun 2009
- InvalidExtension
Mr. the applicant intend to apply for Planning Permission for alterations and extensions to the existing…
11A, Avondale Crescent,, Killiney, Co Dublin, A96 PX08
D24A/0803/WEBDún Laoghaire–RathdownLodged 4 Oct 2024
- GrantedExtension
The construction of single storey extensions of 60sqm, to the side, front & rear of the property with roof…
123, Ballinclea Heights, Killiney, Dublin, A96E3H2
D24B/0456/WEBDún Laoghaire–RathdownLodged 25 Oct 2024
- GrantedNew dwelling
Subdivision of the existing site and development of land to the northern side of no.1 Ballinclea Heights,…
Site at no.1 Ballinclea Heights, Killiney, Co. Dublin, A96D434
D25A/0348/WEBDún Laoghaire–RathdownLodged 1 Jul 2025
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