18 Portmarnock Crescent, Portmarnock, Co. Dublin.
Attic conversion with a rear dormer window in Portmarnock.
F21B/0420 · Fingal County Council · Lodged 23 December 2021
- Reference
- F21B/0420
- Authority
- Fingal County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 December 2021
Summary
AI-generatedThe application is for the conversion of the existing attic space to domestic storage, including the installation of one dormer window at the rear of the property.
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
(a) conversion of attic space with 1 no. Dormer at rear for domestic s
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 23 June 2022.
Notified floor area: 23.2 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 467 Strand Road, Portmarnock, Dublin 13 | Apr 2025 | €1,200,000 | 93 m |
| 47 Carrickhill Walk, Portmarnock, Dublin | Apr 2026 | €625,000 | 104 m |
| 37 Carrickhill Walk, Portmarnock, Dublin | Jul 2025 | €675,000 | 143 m |
| 15 Carrickhill Walk, Portmarnock, Dublin | Nov 2025 | €772,000 | 164 m |
| 11 Parkview, Portmarnock, Dublin | Apr 2025 | €710,000 | 262 m |
| 60 Carrickhill Rise, Portmarnock, Dublin | Sept 2025 | €715,000 | 268 m |
| 34 Burrow Court, Portmarnock, Dublin | Sept 2025 | €895,000 | 330 m |
| 62 Alder Court, Wendell Avenue, Portmarnock Co Dublin | Jun 2026 | €725,000 | 365 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 received23 December 2021
- Decision due25 February 2022
- Decision issued21 February 2022
- Grant issued30 March 2022
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 side and all associated site wo
22 Portmarnock Crescent, Portmarnock Co. Dublin
F16B/0109FingalLodged 3 May 2016Extension
- Invalid30 m away
The development will consist of the following: (a) The conversion of the existing ground floor side garage…
10 Portmarnock Grove, Portmarnock, Co. Dublin, D13E2A0
F25A/0505EFingalLodged 10 Jun 2025Extension
- Granted30 m away
The development will consist of the following: (a) The conversion of the existing ground floor side garage…
10 Portmarnock Grove, Portmarnock, Co. Dublin, D13E2A0
F25A/0559EFingalLodged 23 Jun 2025Extension
- Granted40 m away
Retention of single storey sun room to rear, single storey boiler hous
24A Portmarnock Crescent, Portmarnock, Co. Dublin.
F14B/0171FingalLodged 3 Jul 2014Retention
- Granted40 m away
The development will consist of the following: (a) The construction of a first floor side extension over…
12 Portmarnock Grove, Portmarnock, Co. Dublin, D13 ET98
F25A/0504EFingalLodged 10 Jun 2025Extension
- Refused40 m away
The development will consist of — Demolition of the existing single-storey side & rear extensions
24A, Portmarnock Crescent, Portmarnock, D13E177
F25A/1017EFingalLodged 4 Nov 2025Extension
- Refused40 m away
The development will consist / consist of : 1.Demolition of the existing single-storey side & rear extensions…
24A Portmarnock Crescent, Portmarnock, D13E177
F26A/0171EFingalLodged 10 Mar 2026Extension
- Granted40 m away
Proposed demolition of existing detached store at side and constructio
2 Portmarnock Grove, Portmarnock, Co. Dublin
F07A/0637/E1FingalLodged 20 Feb 2012Demolition
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
Conversion of attic and installation of 4 no. dormer windows and 1 no. gable window to dwellinghouse
No.7, Beechwood Drive, Ballycoskery, Ballyhae,
059474corkLodged 19 Dec 2005
- GrantedExtension
Conversion of existing attic space comprising of modification of existing roof structure, new gable window,…
11, Broadfield Drive, Broadfield Manor, Rathcoole, Co. Dublin.
SD23B/0264South DublinLodged 15 Jun 2023
- GrantedExtension
A. Attic conversion incorporating dormer extension to side of existing
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F12B/0069FingalLodged 23 Apr 2012
- Awaiting decisionExtension
Conversion of attic to living accommodation and installation of dormer windows to rear roof of dwellinghouse
No.1, Delfern Grove, Maryborough, Douglas,
077740corkLodged 11 May 2007
- GrantedExtension
Conversion of attic to storage use and installation of 2 no. dormer windows to dwellinghouse
Ballyduhig North, Ballygarvan, ,
077778corkLodged 14 May 2007
- GrantedExtension
A) Attic conversion incorporatin dormer extension to rear
10, Huntstown Lawn, Blanchardstown, Dublin 15
FW17B/0059FingalLodged 5 Jul 2017
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