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: 789
County: Dublin

Planning intelligence

What the data shows

The planning register for Portmarnock contains a total of 789 applications, with recent lodgements showing 68 in 2023, 64 in 2024, and 71 in 2025. Out of 700 applications granted, refused or part-granted since 2011, the grant rate stands at 89%, which represents 622 granted, 75 refused, and 3 part-granted. The most common development types are extension at 50%, alterations at 13%, retention at 8%, and demolition at 8%. Recent decided examples in the area include granted permissions for attic conversions, garage conversions, and porch demolitions, alongside a refused retention application and an invalid change of use application.

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

Grant rate

89%

of 700 applications granted, refused or part-granted since 2011.

Granted: 622
Refused: 75
Part granted, part refused: 3
Withdrawn: 14
Invalid: 61
Exempt — no permission needed: 1
No decision recorded: 13

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

What’s being built

Extension: 50%
Alterations: 13%
Retention: 8%
Demolition: 8%
New dwelling: 7%
Change of use: 4%

Activity over time

Applications lodged, by year

'16

'17

'18

'19

'20

'21

'22

'23

'24

'25

Grant rate, by year of decision

'16

'17

'18

'19

'20

'21

'22

'23

'24

'25

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.