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23 Cross Avenue

Dún Laoghaire–Rathdown / Williamstown / A94TV27

Last Sale Price

€2,375,000
Estimate mortgage repayments →
House Second-Hand 1 recorded sale
vs Street
+77.6%
Median €1,337,500
2 sales
(limited data)
This is more expensive than 50.0% of properties on this street.
Percentile of 2 sales
vs Williamstown
+229.9%
Median €720,000
63 sales
Growth +5.5%/yr · 14.0 yrs
This is more expensive than 93.7% of properties in Williamstown.
Percentile of 63 sales
vs Dún Laoghaire–Rathdown
+343.9%
Median €535,000
17,875 sales
Growth +6.0%/yr · 16.0 yrs
This is more expensive than 98.2% of properties in Dún Laoghaire–Rathdown.
Percentile of 17,875 sales
Street view of 23 Cross Avenue, Blackrock, Co Dublin
Nearby Properties 16
Overhead map showing the location of 23 Cross Avenue, Blackrock, Co Dublin
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Sale History

1 sale
€2,375,000
3 months ago
Second-Hand Dwelling house /Apartment

Price Intelligence

This property has one recorded sale for €2,375,000 on 17 Dec 2025.

Area Rank
Top 6%
of 63 properties
What did 23 Cross Avenue last sell for?

23 Cross Avenue last sold for €2,375,000 on 17 Dec 2025.

How does 23 Cross Avenue compare to the rest of Williamstown?

Compared to Williamstown (median €720,000, 63 sales), 23 Cross Avenue sits 229.9% above the area average.

Growth metrics use repeat-sale properties only. Methodology.

Williamstown Rental Market

Properties in Williamstown like this one typically rent for the amounts below, based on tenancies registered with the Residential Tenancies Board.

€2,202
Median rent / mo
1.1%
Est. gross yield

Based on 20 registered tenancies. Source: RTB Rent Register. Yield estimated from median area rent vs last sale price.

Williamstown streetscape

About Williamstown

A townland between Blackrock and Dún Laoghaire, Williamstown sits along the residential streets that connect the two larger centres. The area benefits from proximity to both Blackrock DART station and the Monkstown Road corridor, with housing from various periods giving the streets a mixed character. The coastal amenities of Seapoint and Salthill are within walking distance, and the area maintains the settled, residential quality typical of DLR's inner suburbs.

Area Median
€720,000
63 sales
District Median
€535,000
17,875 sales
Street Median
€1,337,500
2 sales

Housing in Dún Laoghaire–Rathdown

Typical Size
107 m²
Typical Build
1978
BER Ratings
A (efficient)G

Based on 29,035 BER assessments — see district details

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