Planning Permission Ireland

Planning register

Portmarnock

Planning applications inside the Portmarnock, Co. Dublin settlement, as recorded on the statutory register. The area is the CSO’s Census 2022 urban boundary.

Applications
823
County
Dublin

What the data shows

The planning register for Portmarnock contains 823 total applications, with recent lodgements showing 68 in 2023, 73 in 2024, and 92 in 2025. Since 2011, there have been 703 applications granted, refused or part-granted, resulting in an 89% grant rate with 625 granted, 75 refused, and 3 part-granted. The most common development types are extension at 48%, alterations at 13%, retention at 7%, and demolition at 7%. Recent decided examples in the area include outcomes of granted, refused, and invalid.

An automated reading of the figures on this page. Every statement reflects the register data shown above; it is not advice or a prediction.

Planning intelligence

Grant rate

89%

of 703 applications granted, refused or part-granted since 2011.

Granted
625
Refused
75
Part granted, part refused
3
Withdrawn
14
Invalid
62
Exempt — no permission needed
1
Not exempt — permission needed
2
Compliance submission
30
No decision recorded
11

Historical outcomes from the statutory register. Not a prediction for any individual application.

What’s being built

Extension
48%
Alterations
13%
Retention
7%
Demolition
7%
New dwelling
7%
Other
5%

Grant rate by category

How each kind of application has been decided in Portmarnock, 2016–2026.

CategoryGrantedDecidedNationally
Extension93%24895%
Alterations94%6992%
Retention83%3590%
New dwelling68%3182%
Demolition83%3086%

“Decided” counts applications granted, refused or part-granted — withdrawn and invalid applications are excluded. Categories with fewer than 30 decided applications are not listed, because a rate over a handful of applications would not mean anything.

Appeals to An Bord Pleanála

26%

of 66 decided appeals changed the council’s decision, 2011–2026.

Permissions refused on appeal
10% of 39
Decision upheld
42
Upheld, conditions varied
7

17 of 66 decided appeals reversed the council either way. Withdrawn and invalid appeals are excluded, because nothing was decided. Appeals are self-selected — only decisions someone chose to challenge appear here — so this is a record of appealed cases, not a measure of the council’s decisions overall.

Activity over time

Applications lodged, by year

Grant rate, by year of decision

Recently lodged in Portmarnock

Contains Irish Public Sector Data licensed under CC BY 4.0. Settlement boundary: CSO Census 2022 urban areas (Tailte Éireann). Always confirm against the relevant authority’s official register.