Mount Merrion Avenue
Dún Laoghaire–Rathdown / Williamstown / 8 properties
Price Trend
Based on 8 recorded sales across all years
Street Map
8 mapped
Properties
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- 21 Mount Merrion Avenue €1,350,000 2010-09-08
- 11 Mount Merrion Avenue €1,750,000 2015-12-17
- 33 Mount Merrion Avenue €1,530,000 2017-01-23
- 37 Mt Merrion Avenue €1,596,000 2018-04-06
- 31 Mount Merrion Avenue €1,000,000 2020-02-28
- 29 Mount Merrion Avenue €1,526,350 2020-12-02
- 27 Mount Merrion Avenue €1,350,000 2022-08-11
- 43 Mount Merrion Avenue €865,000 2025-02-10
Median Price Analysis
The median sale price on Mount Merrion Avenue is €1,438,175, based on the latest sale from each of 8 properties. 4 sold below, 4 sold above .
Only the most recent sale per property is counted — older sales are excluded.
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.
Frequently Asked Questions
What is the median house price on Mount Merrion Avenue?
The median sale price on Mount Merrion Avenue is €1,438,175, based on 8 recorded sales since January 2010.
How many properties have sold on Mount Merrion Avenue?
8 properties have sold on Mount Merrion Avenue, Williamstown, Dún Laoghaire–Rathdown since January 2010.
What was the most expensive sale on Mount Merrion Avenue?
The highest recorded sale on Mount Merrion Avenue was €1,750,000 at 11 Mount Merrion Avenue, Blackrock .
How does Mount Merrion Avenue compare to Williamstown?
The median price on Mount Merrion Avenue (€1,438,175) is 100% above the Williamstown median of €720,000.
How have prices changed on Mount Merrion Avenue over time?
The median sale price on Mount Merrion Avenue has fallen 36% from €1.4M in 2010 to €865K in 2025, based on 8 recorded sales.