17 Portersgate Avenue, Clonsilla, Dublin 15, D15 X95N
Attic conversion with a rear dormer window and a single-storey rear kitchen extension.
FW25A/0085E · Fingal County Council · Lodged 6 March 2025
- Reference
- FW25A/0085E
- Authority
- Fingal County Council
- Register status
- Decided
- Type
- Permission
- Received
- 6 March 2025
Summary
AI-generatedThe development consists of an attic conversion with a rear dormer projecting window for study or playroom use, alongside a single-storey kitchen extension to the rear of the house.
- Storey
- 1
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 new attic conversion with dormer projecting window to rear of existing house for study/playroom use permission also sought for single storey kitchen extension to rear of house and all associated site works.
Land-use zoning
What this land is zoned for
“Provide for residential development and protect and improve residential amenity”
National zoning type: Existing residential
Objective set by the The Fingal Development Plan 2023 – 2029 (2023–2029). 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 29 July 2025.
Notified floor area: 136 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 29 Portersgate Ave, Clonsilla, Dublin 15 | May 2025 | €485,000 | 41 m |
| 35 Portersgate Heights, Clonsilla, Dublin 15 | Jul 2025 | €444,000 | 47 m |
| 46 Portersgate Heights, Porterstown, Clonsilla Dublin 15 | Aug 2025 | €535,000 | 91 m |
| 80 Allendale Sq, Clonsilla, Dublin 15 | Apr 2026 | €320,000 | 126 m |
| 1 Castlefield Hall, Clonsilla, Dublin15not full market price | Feb 2026 | €135,000 | 128 m |
| 12 Portersgate Way, Clonsilla, Dublin 15 | Jan 2025 | €535,000 | 146 m |
| 6 Castlefield Hall, Clonsilla, Dublin 15 | Oct 2025 | €550,000 | 156 m |
| 104 Castlefield Court, Clonsilla, Dublin 15 | Apr 2026 | €508,000 | 159 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 received6 March 2025
- Decision due30 April 2025
- Decision issued24 April 2025
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
Attic conversion with dormer window to rear
13 Portersgate Avenue, Clonsilla, Dublin 15
FW21B/0038FingalLodged 15 Mar 2021Extension
- Granted30 m away
Permission for conversion of attic to storage area with dormer type wi
25 Porter's Gate Avenue, Clonsilla, Dublin 15, D15 TWR8
FW21B/0067FingalLodged 29 Apr 2021Extension
- Granted40 m away
The development will consist of the construction of a single-storey extension to the rear with an apex roof…
21 Portersgate Heights, Clonsilla, Dublin 15
FW26A/0156EFingalLodged 21 Apr 2026Extension
- Granted40 m away
The construction of a two-storey extension to the side & rear of the d
27 Porters Gate Avenue, Clonsilla, Dublin
FW17A/0115FingalLodged 7 Jul 2017Extension
- Granted40 m away
The development will consist of: (1) erect a new ground floor bay wind
23 Porters Gate Heights, Clonsilla, Dublin 15
FW16B/0105FingalLodged 27 Sept 2016Extension
- Granted70 m away
Planning permission is sought by EP Lynam Properties Ltd. for revisions to previously permitted development…
Lands bounded by Clonsilla Road to the south, Clonsilla link Road to the East, and residential development of Portersgate to the West, Clonsilla, Dublin 15
FW24A/0531EFingalLodged 16 Dec 2024Alterations
- Granted80 m away
Construction of a part single storey, part two storey extension to the
2 Portersgate Avenue, Clonsilla, Dublin 15
FW20B/0186FingalLodged 25 May 2021Extension
- Granted80 m away
New single storey extension to side and rear, together with attic conv
42 Porters Gate Heights, Clonsilla, Dublin 15
FW17B/0056FingalLodged 22 Jun 2017Extension
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 is sought for attic conversion with dormer window to rear roof for new study room, also…
19 Elmwood Close, Hartstown, Dublin 15
FW24A/0356EFingalLodged 31 Aug 2024
- InvalidExtension
Planning permission is sought for attic conversion for storage / study room with dormer type window to rear,…
51, Conor Clune Road, Ashtown, Dublin 7 D07 KX77
WEB1372/22Dublin CityLodged 25 Apr 2022
- GrantedExtension
Planning permission is sought for modifications to existing house, new single storey kitchen extension to…
46, Gledswood Park, Clonskeagh, Dublin 14, D14YV22
D26B/0260/WEBDún Laoghaire–RathdownLodged 29 Apr 2026
- GrantedExtension
Planning permission is sought for attic conversion, first floor extension over existing kitchen to allow…
16 Beechwood Close, Clonsilla, Dublin 15
FW24A/0355EFingalLodged 31 Aug 2024
- InvalidExtension
Permission is being sought to retain existing kitchen extension to rear of existing dwelling and proposed…
151, Glasnevin Avenue, Glasnevin, Dublin 11 D11 T1H1
WEB1286/22Dublin CityLodged 30 Mar 2022
- InvalidExtension
Permission sought for attic conversion with dormer projecting window to rear and 1 new velux window to the…
14 Mourne Close, Skerries, Co Dublin
F23A/0719FingalLodged 24 Nov 2023
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