23 The Crescent, Saint Marnock’s Bay, Portmarnock, Co. Dublin, D13R27N
Attic conversion to non-habitable accommodation with rooflights in Portmarnock.
F25A/1065E · Fingal County Council · Lodged 14 November 2025
- Reference
- F25A/1065E
- Authority
- Fingal County Council
- Register status
- Decided
- Type
- Permission
- Received
- 14 November 2025
Summary
AI-generatedPermission is sought for the conversion of the attic to non-habitable accommodation and a bathroom. The works will include installing Velux rooflights to both the front and rear at roof level.
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 is sought for conversion of his attic to non-habitable accommodation and a bathroom, including velux rooflights to the front and rear all at roof level.
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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 18 The Crescent, St Marnock's Bay, Station Road | Nov 2025 | €910,000 | 37 m |
| 45 The Avenue, St. Marnock's Bay, Station Rd. Portmarnock | Oct 2025 | €695,000 | 57 m |
| 10 Meadow View, Skylark, St Marnock's Bayprice excludes VAT | Jun 2025 | €643,171 | 86 m |
| 3 Monument View, St Marnock's Bay, Station Road | Dec 2025 | €688,000 | 95 m |
| 34 The Crescent, St Marnock's Bay, Portmarnock | Apr 2025 | €700,000 | 101 m |
| 2 The Drive, St Marnock's Bay, Portmarnock | Jul 2025 | €725,000 | 119 m |
| 27, St. Marnock's Bay, Station Road | Jan 2025 | €510,000 | 122 m |
| 31 The Grove, St. Marnock's Bay, Station Rd. Portmarnock | Jun 2025 | €511,000 | 123 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 received14 November 2025
- Decision due16 January 2026
- Decision issued12 January 2026
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted80 m away
Planning Permission for attic conversion to non-habitable storage space with new rooflight windows to front…
12 The Cresent, St Marnocks Bay, Portmarnock, Co.Dublin
F23B/0054FingalLodged 29 Mar 2023Extension
- Granted90 m away
Permission for development at No.1 Monument View, Saint Marnock's Bay, Portmarnock, Co. Dublin, D13 XK6V The…
No.1 Monument View, St Marnock's Bay, Portmarnock, Co. Dublin, D13 XK6V
F23B/0016FingalLodged 13 Feb 2023Extension
- Granted90 m away
Planning permission for attic conversion to non-habitable storage space with new rooflight windows to front…
11 The Crescent, St Marnocks Bay, Portmarnock, Co. Dublin
F23B/0041FingalLodged 10 Mar 2023Extension
- Granted90 m away
The development will consist of the conversion of the attic space with new velux roof windows to the front…
2 Monument View, St. Marnocks Bay, Portmarnock, Dublin 13, D13W0DR
F23B/0030FingalLodged 2 Mar 2023Extension
- Granted100 m away
Planning permission for an attic conversion with 1 additional bedroom, en suite, sauna and walk in wardrobe,…
10 The Crescent, Saint Marnocks Bay, Co. Dublin, D13PWH5
F24A/0764EFingalLodged 26 Aug 2024Extension
- Granted100 m away
Planning permission sought to convert attic space to habitable bedroom and storage space with roof lights to…
9 The Crescent, Station Road, Saint Marnock's Bay, Portmarnock, Dublin 13, D13YE8W
F26A/0010EFingalLodged 12 Jan 2026Extension
- Granted100 m away
The development will consist of: A) Proposed attic conversion to study
11 The Park, St Marnock's Bay, Portmarnock, Co Dublin, D13 Y75T
F22B/0091FingalLodged 8 Apr 2022Extension
- Granted100 m away
The development will consist of: (a) proposed attic conversion to storage/study (b) proposed dormer…
50 The Avenue, St Marnock's Bay, Pormarnock, Co. Dublin, D13 E7YP
F23B/0076FingalLodged 21 Jul 2023Extension
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 conversion of his attic to storage and a bathroom including a dormer window…
123, Clonkeen Road, Deansgrange, Blackrock, Dublin, A94FR98
D23B/0306Dún Laoghaire–RathdownLodged 28 Jun 2023
- InvalidExtension
Conversion of his attic to non-habitable accommodation and a bathroom including a dormer window to the rear…
15, Glengara Park, Glenageary, Dublin, A96W3K1
D24B/0184/WEBDún Laoghaire–RathdownLodged 23 Apr 2024
- InvalidExtension
Conversion of his attic to non-habitable space, and a bathroom, including a dormer window to the rear, a…
3, Coolnevaun, Stillorgan, Dublin, A94E1W4
D24B/0551/WEBDún Laoghaire–RathdownLodged 23 Dec 2024
- GrantedExtension
Permission is sought for attic conversion with new stairs, 1 No. non-habitable room and bathroom, 3 No. Velux…
3 Alderman Road, Belmont, Stepaside, Dublin 18, D18HXT5
D21B/0187Dún Laoghaire–RathdownLodged 19 Apr 2021
- GrantedExtension
Permission is sought for the conversion of the attic space to bedroom/ bathroom with two dormers to sides,…
5, Mather Road South, Mount Merrion, Co Dublin
D07B/0452Dún Laoghaire–RathdownLodged 13 Aug 2007
- GrantedExtension
Permission for the Conversion of his attic to storage including a Velux rooflight to the front at roof level
11 Ashfield Park, Ridgewood, Swords, Co Dublin, K67E9X0
F26A/0353EFingalLodged 4 May 2026
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