The property record
6 Castle Avenue
Dún Laoghaire–Rathdown / Brennanstown
Part of Shanganagh Castle Estate
Last Sale Price
€753,303
* Price is VAT exclusive · Learn more →
(Price paid including ~13.5% VAT = €854,999)
House
New Build
1 recorded sale
vs Street
+0.0%
Median €753,303
2 sales
(limited data)
vs Brennanstown
+12.5%
Median €669,603
16 sales
This is more expensive than
81.2%
of properties in Brennanstown.
Percentile of 16 sales
vs Dún Laoghaire–Rathdown
+38.6%
Median €543,625
18,784 sales
Growth +6.0%/yr · 16.7 yrs
This is more expensive than
71.9%
of properties in Dún Laoghaire–Rathdown.
Percentile of 18,784 sales
Map data unavailable — geocoding in progress.
Sale History
Price Intelligence
This property has one recorded sale for €753,303 on 25 Mar 2026.
Area Rank
Top 19%
of 16 properties
What did 6 Castle Avenue last sell for?
6 Castle Avenue last sold for €753,303 on 25 Mar 2026.
How does 6 Castle Avenue compare to the rest of Brennanstown?
Compared to Brennanstown (median €669,603, 16 sales), 6 Castle Avenue sits 12.5% above the area average.
Growth metrics use repeat-sale properties only. Methodology.