43, Seafield Court, Killiney, Co Dublin
Extensions to the front and rear of the house, with an attic conversion and new dormer window.
D20B/0337 · Dun Laoghaire Rathdown County Council · Lodged 25 March 2021
- Reference
- D20B/0337
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 25 March 2021
Summary
AI-generatedThe project involves constructing single-storey extensions to both the front and rear, alongside a first-floor rear extension. It also includes upgrading the existing attic room, altering the main roof to a gable-ended design, and adding a new rear dormer window.
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 construction of single storey extension to front, single storey extension to rear, first floor extension to rear, upgrading of existing attic room complete with alterations to existing main roof to form new gable ended type roof and provision of new dormer window to rear at their site
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 19 July 2021.
Notified floor area: 30.85 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 33 Seafield Court, Killiney, Dublin | Apr 2025 | €690,000 | 49 m |
| 1 Killiney Court, Seafield Road, Killiney | Dec 2025 | €375,000 | 118 m |
| 87 Seafield Court, Killiney, Dublin | Oct 2025 | €730,000 | 122 m |
| 13 Bayview Close, Killiney, Dublin | Mar 2026 | €305,000 | 131 m |
| 34 Bayview Close, Killiney, Dublin | Jan 2025 | €685,000 | 149 m |
| 20 Bayview Park, Killiney, Dublin | Jul 2025 | €624,950 | 178 m |
| 104 Seafield Court, Seafield Rd, Killiney | Feb 2025 | €705,000 | 181 m |
| 23 Bayview Dr, Killiney, Dublin | Mar 2025 | €650,000 | 191 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 received25 March 2021
- Decision issued21 April 2021
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
For a 2 storey extension to the rear
46, Seafield Court, Killiney, Co. Dublin.
D07B/0545Dún Laoghaire–RathdownLodged 18 Jun 2007Extension
- Refused30 m away
Planning permission consequent on the grant of outline permission (Reg.Ref. D05A/1464, decision order No.…
46, Seafield Court, Killiney, Co. Dublin.
D06A/0590Dún Laoghaire–RathdownLodged 9 May 2006New dwelling
- Granted30 m away
2 storey, detached 3 bedroom house in a site in the side garden
46, Seafield Court, Killiney, Co. Dublin.
D06A/1596Dún Laoghaire–RathdownLodged 5 Apr 2007New dwelling
- Granted30 m away
Detached dwelling to side
46, Seafield Court, Killiney, Co. Dublin
D05A/1464Dún Laoghaire–RathdownLodged 14 Nov 2005New dwelling
- Refused30 m away
Permission is sought for a new single storey extension to side and rear of existing dwelling with internal…
52, Seafield Court, Killiney, Co. Dublin
D16B/0084Dún Laoghaire–RathdownLodged 10 Mar 2016Extension
- Granted80 m away
Planning permission for the construction of a 2 storey side extension at ground floor level and a first floor…
81, Seafield Court, Killiney, Dublin, A96W726
D23B/0004Dún Laoghaire–RathdownLodged 21 Jul 2023Extension
- Refused80 m away
Two storey extension to the rear, alterations to existing house and all associated site works
59, Seafield Court, Killiney, Co. Dublin
D08B/0157Dún Laoghaire–RathdownLodged 3 Mar 2008Extension
- Granted80 m away
Construction of a single story extension to the rear, a hip to gable roof alteration with construction of a…
19, Seafield Court, Killiney, Dublin, A96KF10
D26B/0046/WEBDún Laoghaire–RathdownLodged 28 Jan 2026Extension
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 the construction of part single storey extension (17.80 sqm) and part two story extension…
103 Trees Road Upper, Mount Merrion, Co Dublin
D17B/0521Dún Laoghaire–RathdownLodged 17 Nov 2017
- GrantedExtension
Permission for single storey extension to side and front, 2 storey dormer extension to south side, amendment…
44 Redesdale Road, Stillorgan, Co Dublin
D17A/0677Dún Laoghaire–RathdownLodged 28 Jul 2017
- GrantedExtension
Permission for a 2 storey extension to the rear, single storey extension to front & attic conversion to…
28 Mount Eagle View, Leopardstown Heights, Sandyford, Dublin 18, D18 A3T6
D21B/0416Dún Laoghaire–RathdownLodged 21 Dec 2021
- Awaiting decisionExtension
Permission for the following development to their dwelling house, namely — Permission to construct new storey…
31, Fernlea, Carrigaline, Cork, P43RF97
26/0899corkLodged 9 Apr 2026
- GrantedExtension
Permission for single storey extensions to front and rear, replace existing tiled roof at side with flat roof…
8, Tourmakeady Road, Whitehall, Dublin 9
2191/20Dublin CityLodged 3 Feb 2020
- GrantedExtension
Permission for the construction of an extension at Ground Floor Level to the side (West) Elevation and,…
1B, Pinewood Avenue, Glasnevin, Dublin, 11
2253/21Dublin CityLodged 19 Feb 2021
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