Castle Avenue
Dún Laoghaire–Rathdown / Brennanstown / 2 properties
Properties
Expand your filters to show more properties.
- 6 Castle Avenue €753,303 2026-03-25
- 8 Castle Avenue €753,304 2026-06-12
About Brennanstown
Prestigious south Dublin coastal living from Blackrock to Killiney, steeped in Victorian heritage
Can you afford to buy in Castle Avenue, Brennanstown?
The median property here is €753,303. Check if it's within reach with our affordability calculator.
Related Guides
Raheny vs Clontarf: Dublin 5 Property Price Comparison 2026
A data-driven comparison of Raheny and Clontarf property prices, amenities, schools, transport, and BER ratings. Everything you need to choose between Dublin 5’s two most popular neighbourhoods.
How BER Ratings Affect Dublin Property Prices — A Data-Driven Analysis
District-by-district breakdown of BER rating distributions across Dublin, how energy efficiency correlates with property values, and what the green premium means for buyers and sellers in 2026.
Dublin Price Per Square Metre by Area (2026 Data)
We combined PPR sale prices with BER floor area data to calculate €/m² for every Dublin district. From €3,744 to €9,473 per square metre.
Related Tools
Affordability Calculator
What you can afford under Central Bank of Ireland LTI and LTV rules
Mortgage Calculator
Monthly repayments and full amortisation schedule
Rent vs Buy
Break-even timeline and net worth projection
Home Buying Schemes
HTB, First Home Scheme, Local Authority Affordable
Compare Districts
Side-by-side comparison of Dublin postal districts
Compare Areas
Side-by-side comparison of Dublin neighbourhoods