12 Sycamore Court, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co Dublin
Retention of a side extension and permission for new ground and first-floor extensions with a rear BBQ canopy.
D18B/0477 · Dun Laoghaire Rathdown County Council · Lodged 1 November 2018
- Reference
- D18B/0477
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 1 November 2018
Summary
AI-generatedThe application seeks retention of a single-storey side extension. It also proposes a single-storey rear extension, a ground-floor front-side extension, a first-floor side extension, and a rear BBQ area with a canopy.
- Storeys
- 2
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 retention of existing single storey side extension, permission to construct a single storey extension to the rear with a further side extension to front on ground and a first floor side extension over. Front section of first floor to partially overhang side passage. The proposal consists of a flat roof on the two storey extension and a flat roof extension with a roof light on the rear single storey section and a bbq area to rear with canopy over. Internal alterations to accomm...
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 |
|---|---|---|---|
| 46 Sefton, Rochestown Ave, Dun Laoghaire | Feb 2026 | €790,000 | 74 m |
| 9 Brickfield Way, Honeypark, Dun Laoghaire | Apr 2025 | €1,100,000 | 113 m |
| 17 Whitethorn Walk, Carriglea Downs, Dun Laoghaire | Oct 2025 | €700,000 | 119 m |
| 54 Sefton, Rochestown Ave, Dun Laoghaire | May 2026 | €980,000 | 124 m |
| 8 Whitethorn Walk, Carriglea Downs, Dun Laoghaire | May 2026 | €700,000 | 131 m |
| 23 Brickfield Drive, Upper Glenageary Road, Dun Laoghaire | May 2025 | €1,175,000 | 142 m |
| 15 Brickfield Way, Honeypark, Dun Laoghaire | Aug 2025 | €950,000 | 146 m |
| 6 Carriglea Ave, Carriglea Downs, Dun Laoghaire | Sept 2025 | €690,000 | 169 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 received1 November 2018
- Decision issued30 November 2018
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 Retention of existing single storey side extension, Permission to construct a single storey…
12 Sycamore Court, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co Dublin
D19B/0005Dún Laoghaire–RathdownLodged 18 Apr 2019Retention
- GrantedAt this site
Permission for an extension renovation to existing fully serviced two storey semidetached house with side &…
12, Sycamore Court, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co Dublin
D21B/0108Dún Laoghaire–RathdownLodged 8 Mar 2021Extension
- InvalidAt this site
Permission for Retention of existing single storey side extension, Permission to construct a single storey…
12 Sycamore Court, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co Dublin
D18B/0537Dún Laoghaire–RathdownLodged 12 Dec 2018Retention
- GrantedAt this site
Retention of existing single storey side extension, permission to construct a single storey extension to the…
12 Sycamore Court, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co. Dublin
D19B/0516Dún Laoghaire–RathdownLodged 15 May 2020Retention
- Granted30 m away
Permission is sought for the construction of a single storey extension to the rear with alterations to the…
7, Carriglea Avenue, Dun Laoghaire, Co. Dublin
D07B/0234Dún Laoghaire–RathdownLodged 16 Mar 2007Extension
- Granted30 m away
A two-storey and single storey, pitched roof extension to rear of existing two-storey, semi-detached house
9, Sycamore Court, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co. Dublin
D08B/0201Dún Laoghaire–RathdownLodged 14 Mar 2008Extension
- Granted50 m away
For the erection of a single storey extension consisting of living accommodation to the rear of dwelling
8, Sycamore Drive, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co. Dublin
D05B/0633Dún Laoghaire–RathdownLodged 22 Aug 2005Extension
- Granted50 m away
Permission is sought for a single storey extension to the rear and conversion of attic to light household…
7, Sycamore Court, Carriglea Downs, Dun Laoghaire, Glenageary, Dublin
D07B/0523Dún Laoghaire–RathdownLodged 12 Jun 2007Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidRetention
Permission for Retention of existing single storey side extension, Permission to construct a single storey…
12 Sycamore Court, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co Dublin
D18B/0537Dún Laoghaire–RathdownLodged 12 Dec 2018
- GrantedRetention
Retention of existing single storey side extension, permission to construct a single storey extension to the…
12 Sycamore Court, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co. Dublin
D19B/0516Dún Laoghaire–RathdownLodged 15 May 2020
- GrantedExtension
Permission for a single storey rear extension and a first floor rear/side extension. The proposal consists of…
25 Sandyford Hall Crescent, Sandyford, Dublin 18
D18B/0428Dún Laoghaire–RathdownLodged 4 Dec 2018
- GrantedExtension
Permission for (i) the construction of a new single storey extension to the rear and side of the existing…
15 Clós Deirdrú , The Ferns , Blackrock Co Louth
23323LouthLodged 6 Jul 2023
- GrantedExtension
Permission for development consisting of partial demolition of existing single storey flat roof extension to…
52 Shanganagh Vale, Cabinteely, Dublin 18
D13B/0082Dún Laoghaire–RathdownLodged 8 Mar 2013
- WithdrawnExtension
Permission for the construction of a single storey extension with a part two storey element to the rear of…
22 Church Road, Dalkey, Co. Dublin
D20B/0139Dún Laoghaire–RathdownLodged 15 May 2020
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