House prices · Co. Dublin
House Prices in Portmarnock
The median second-hand home in Portmarnock, Co. Dublin sold for €600,000 over the last 18 months, across 111 recorded sales. Year-on-year, second-hand prices are down 9.8%. New builds had a median of €721,846. Homes typically sold for about €5,676 per square metre.
About Portmarnock
Portmarnock is a well-established coastal suburb in north County Dublin, with a commuter feel and strong appeal to families and professionals. Median second-hand prices are around €600,000, which is 24% above the County Dublin median, while new-build homes are higher still at €721,846. Prices have eased by 5.9% year-on-year, but the area remains firmly above the county average.
Median (second-hand)
€600,000
Sales (last 18 mths)
111
Typical €/m²
€5,676
Year-on-year
-9.8%
The second-hand median in Portmarnock is 24% above the Dublin county median of €485,000.
Property mix in Portmarnock
The make-up of second-hand homes sold here over the last 18 months. Shares are of sales where that detail is known; medians show the typical price.
Property type
Bedrooms
Energy rating (BER)
Floor area
Recent sales in Portmarnock
Click any sale for the map, price history and full details.
| Date | Address | Type | Price | Beds | Size | BER |
|---|---|---|---|---|---|---|
| May 2026 | 93a St Annes Square, Portmarnock | Terrace | €600,000 | 3 | 83 m² | B1 |
| May 2026 | 7 The Drive, St Marnocks Bay | Semi-D | €685,000 | 3 | 108 m² | A3 |
| May 2026 | 18 The Kilns, Station Rd | Duplex | €540,000 | 3 | 124 m² | B2 |
| May 2026 | 34 Millbank, The Links | Apartment | €425,000 | 2 | 63 m² | C1 |
| Apr 2026 | 38 Milfield, Portmarnock | — | €430,000 | — | — | — |
| Apr 2026 | 89 St Annes Sq, Portmarnock | — | €475,000 | — | — | — |
| Apr 2026 | 1a St Marnocks Ave, St Annes Square | Semi-D | €675,000 | 3 | 120 m² | C2 |
| Apr 2026 | 42 Millstream, The Links Apts | Apartment | €435,000 | 2 | 75 m² | C1 |
| Apr 2026 | 47 Carrickhill Walk, Portmarnock | — | €625,000 | — | — | — |
| Mar 2026 | 12 Carrig Hill Dr, Portmarnock | Semi-D | €645,000 | 3 | 117 m² | C1 |
| Mar 2026 | 21 Millfield, The Links | — | €405,000 | — | — | — |
| Feb 2026 | 19 The Quarry, Carrickhill Rd | Apartment | €300,000 | 1 | 42 m² | C2 |
| Feb 2026 | 24 Wendell Ave, Portmarnock | Semi-D | €780,000 | 4 | 178 m² | D2 |
| Feb 2026 | 49 Carrickhill Dr, Portmarnock | Semi-D | €666,000 | 3 | 120 m² | D2 |
| Jan 2026 | 12 The Drive, Station Manor | — | €721,000 | — | — | — |
| Jan 2026 | 1 Purley Park, Portmarnock | Semi-D | €850,000 | 3 | 163 m² | C2 |
| Jan 2026 | 77a The Dunes, Portmarnock | Detached | €810,000 | 6 | 179 m² | D2 |
| Jan 2026 | 35 The Dunes, Portmarnock | Detached | €790,000 | 4 | 168 m² | D2 |
| Jan 2026 | 49 The Grove, St Marnock's Bay | Apartment | €490,000 | 2 | 83 m² | A3 |
| Dec 2025 | 36 St Anne's Square, Portmarnock | Terrace | €420,000 | 3 | 74 m² | E1 |
| Dec 2025 | 3 Monument View, St Marnock's Bay | Terrace | €688,000 | 3 | 114 m² | A2 |
| Dec 2025 | 53 The Kilns, Station Rd | Duplex | €500,000 | 2 | 105 m² | B2 |
| Dec 2025 | Apartment 27 Seagrave, The Links Station Road | — | €390,000 | — | — | — |
| Dec 2025 | 45 Millfield, The Links | Apartment | €346,000 | 1 | 62 m² | B2 |
| Dec 2025 | 74 The Kilns, Station Rd | Apartment | €387,000 | 2 | 61 m² | B3 |
What is Portmarnock like?
Across Portmarnock's 2 electoral divisions and 8,777 residents, about 55% of adults hold a third-level qualification and 87% of homes are owner-occupied. On the Pobal HP Deprivation Index 2022 the area is classed marginally above average.
Pobal HP Deprivation Index 2022
Residents
8,777
people (Census 2022)
Age dependency
45.1%
per 100 of working age
Third-level educated
55.4%
of adults
Professional / managerial
59.1%
of residents
Unemployment
4.5%
of the labour force
Owner-occupied
86.5%
of households
Private renting
10.7%
of households
Population-weighted across the area's 2 electoral divisions, so larger divisions count proportionally more. Unemployment is the weighted mean of each division's combined male and female rate; the relative score is a derived population-weighted average, not an official Pobal figure.
Electoral divisions in Portmarnock
2 divisions make up Portmarnock. The coloured tag is each one's Pobal affluence band (green = affluent, red = disadvantaged); open a division to see its full Census profile.
Portmarnock NorthMarginally Above Average+4.0
People
Work & education
Housing
Portmarnock SouthMarginally Above Average+8.2
People
Work & education
Housing
Pobal HP Deprivation Index 2022 — relative affluence and Census 2022 demographics by Electoral Division. Percentages use Census denominators (adults, households or labour force) that differ by indicator.
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Other areas in Co. Dublin
Based on 218 full-market Property Price Register sales geolocated to Portmarnock (2 electoral divisions). Medians exclude non-full-market and bulk transactions. New-build vs second-hand is identified by the VAT-exclusive flag. €/m² uses enriched floor areas where available. Last updated 9 June 2026. Not a valuation of any individual property.