Portmarnock Co. Dublin

Addris scores Portmarnock 87 out of 100 for a home buyer — excellent. 210 homes sold here in the last 12 months at a median of €644,086 — +4.2% on the year before, 72% above the Ireland median for 2026. Every figure below comes from the Property Price Register and public planning, transport, school and amenity records — data to 2026-09-13.

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Is Portmarnock a good place to live? The Addris Score

87 / 100
Excellent
for a home buyer · 85 for an investor
Confidence: High

The Addris Score weighs price momentum, transport, schools and services, planning activity and flood risk for Portmarnock, tuned to how you will live there. The same method scores every area in Ireland, so places compare honestly.

  • Connectivity89
  • Convenience84
  • Family and schools93
  • Risk and resilience82
  • Market strength74
  • Future and planning100
  • Good signs of regeneration and future investment
  • Great for families — good schools, parks, and leisure
  • under 1% of homes here are in a mapped flood zone — check the flood layer for the streets affected

House prices in Portmarnock

Median, 12 months
€644,086
210 sales
Change on previous 12 months
+4.2%
from €618,370
Median, 3 years
€610,000
675 sales
Median, 5 years
€563,876
1,178 sales
On the register
2,475
since 2010

Schools, transport and what's nearby

Getting around

  • 43 bus, rail and Luas stops
  • 19,104 departures a week
  • 1 rail stops
  • 4 EV charging points

Schools, health and everyday services

  • 3 Primary schools
  • 2 Secondary schools
  • 9 Childcare
  • 15 GPs
  • 1 Health centres
  • 2 Supermarkets
  • 10 Playgrounds
  • 20 Parks
  • 5 Swimming pools
  • 1 Beaches
  • 1 Rail stations
  • 1 Rural bus stops

Price history

YearSalesMedianvs previous yearIreland median
2021190€522,115€262,000
2022291€519,824-0.4%€290,000
2023181€572,687+10.2%€310,000
2024222€583,952+2.0%€335,000
2025273€634,361+8.6%€361,233
2026 (to date)128€643,500+1.4%€375,000

Most recent sales in Portmarnock

Most recent sales in Portmarnock, Co. Dublin
AddressPriceSold
11 SKYLARK PARK COURT, ST MARNOCK'S BAY, PORTMARNOCK€775,33119 August 2026
3 SKYLARK PARK DRIVE, ST MARNOCK'S BAY, PORTMARNOCK€665,19813 August 2026
4 MONUMENT AVENUE, ST MARNOCK'S BAY, PORTMARNOCK€621,14613 August 2026
54 TORCAILL, PORTMARNOCK, DUBLIN€840,00011 August 2026
6 COILL DUBH AVENUE, MALAHIDE, DUBLIN€500,00011 August 2026
34 Monument View, St Marnock's Bay, Station Road€541,85010 August 2026
1 Skylark Park Close, St. Marnock's Bay, Station Road€750,0006 August 2026
5 BLOCK 24 MARRSFIELD AVE, CLONGRIFFIN, DUBLIN 13€393,0006 August 2026
6 GALTRIM GRANGE, BROOMFIELD, MALAHIDE€850,0005 August 2026
51 PORTMARNOCK CRESCENT, PORTMARNOCK, DUBLIN 13€750,0004 August 2026

Addresses and prices exactly as published in the Property Price Register. See every sale, coloured by price, on the map.

Planning in Portmarnock

Applications, 12 months
75
Decided, 12 months
59
Granted, 12 months
48
81% of decisions
On record
141

Most recent applications in Portmarnock

The development will consist of: 1.) a part single-storey, part two-st
Fingal · F26A/0758E · submitted 20 August 2026 · View on council site
Planning permission for attic conversion with x2 dormers to rear roof
Fingal · F26A/0716E · submitted 11 August 2026 · WITHDRAW APPLICATION · View on council site
The development will consist of the installation of a telecommunicatio
Fingal · F26A/0718E · submitted 11 August 2026 · View on council site
Planning permission for attic conversion with x2 dormers to rear roof
Fingal · F26A/0691E · submitted 31 July 2026 · WITHDRAW APPLICATION · View on council site
Fingal County Council Retention Planning permission is being sought f
Fingal · F26A/0690E · submitted 31 July 2026 · View on council site

Sold prices by street and estate in Portmarnock

Every street or estate in Portmarnock with at least twenty sales on the register, most-sold first — what homes there actually went for.

Questions people ask

Is Portmarnock a good place to live?

Addris scores Portmarnock 87 out of 100 for a home buyer (Excellent) and 85 for an investor. The score weighs transport, everyday convenience, schools and family services, flood and other risk, market strength and planning activity for the area — the sections below show each part.

What is the average house price in Portmarnock?

The median sold price in Portmarnock, County Dublin over the last 12 months was €644,086, from 210 sales in the Property Price Register (data to 2026-09-13). Over five years the median is €563,876 from 1,178 sales.

How many homes sold in Portmarnock in the last year?

210 residential sales in Portmarnock, County Dublin were recorded in the Property Price Register in the last 12 months, and 1,178 in the last five years.

What is public transport like in Portmarnock?

Portmarnock, County Dublin has 43 bus, rail and Luas stops with about 19,104 scheduled departures a week, including 1 rail stop, from the National Transport Authority's timetable data.

What schools are in Portmarnock?

There are 3 primary and 2 secondary schools inside the Portmarnock area on the Department of Education register, and 9 registered childcare services.

Is there much building planned in Portmarnock?

75 planning applications were submitted in Portmarnock, County Dublin in the last 12 months; of the 59 decided in that time, 48 were granted.

Where does this data come from?

Sold prices are the Residential Property Price Register published by the Property Services Regulatory Authority; planning applications come from the National Planning Application Database (Tailte Éireann) and council feeds; transport from the National Transport Authority; schools, childcare and health services from their public registers. Addris updates the pages weekly.

Sold prices by Eircode area

Other places in County Dublin

Part of County Dublin sold prices. The town boundary is the box the Addris map uses for Portmarnock, drawn from the addresses on the register rather than any official line, so edges can take in a little of the next place.