Castleknock Co. Dublin

Addris scores Castleknock 84 out of 100 for a home buyer — strong. 86 homes sold here in the last 12 months at a median of €607,500 — -2.8% on the year before, 62% above the Ireland median for 2026. Every figure below comes from the Property Price Register and public planning, transport, school and amenity records — data to 2026-09-13.

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Is Castleknock a good place to live? The Addris Score

84 / 100
Strong
for a home buyer · 83 for an investor
Confidence: High

The Addris Score weighs price momentum, transport, schools and services, planning activity and flood risk for Castleknock, tuned to how you will live there. The same method scores every area in Ireland, so places compare honestly.

  • Connectivity86
  • Convenience97
  • Family and schools83
  • Risk and resilience77
  • Market strength69
  • Future and planning100
  • Good signs of regeneration and future investment
  • Strong local services and daily amenities nearby

House prices in Castleknock

Median, 12 months
€607,500
86 sales
Change on previous 12 months
-2.8%
from €625,000
Median, 3 years
€610,000
259 sales
Median, 5 years
€569,141
454 sales
On the register
1,457
since 2010

Schools, transport and what's nearby

Getting around

  • 13 bus, rail and Luas stops
  • 2,960 departures a week
  • 3 EV charging points

Schools, health and everyday services

  • 2 Primary schools
  • 2 Secondary schools
  • 8 Childcare
  • 19 GPs
  • 1 Health centres
  • 2 Supermarkets
  • 1 Parks

Price history

YearSalesMedianvs previous yearIreland median
2021170€455,000€262,000
202298€568,282+24.9%€290,000
202382€531,250-6.5%€310,000
202483€565,000+6.4%€335,000
202599€625,000+10.6%€361,233
2026 (to date)49€599,000-4.2%€375,000

Most recent sales in Castleknock

Most recent sales in Castleknock, Co. Dublin
AddressPriceSold
4 CASTLEKNOCK COTTAGES, CASTLEKNOCK, DUBLIN 15€479,0001 September 2026
4 HAWTHORN HOUSE, FARMLEIGH WOODS, CASTLEKNOCK€582,00015 July 2026
9 STOCKTON COURT, CASTLEKNOCK, DUBLIN 15€1,005,00027 May 2026
1 DUNSANDLE GROVE, CASTLEKNOCK, DUBLIN 15€1,360,00014 May 2026
21 HAWTHORN HOUSE, FARMLEIGH WOODS, WHITES RD€535,00012 May 2026
26 CASTLEKNOCK GROVE, LAUREL LODGE, DUBLIN 15€610,00010 April 2026
30 KEANE HALL, COLLEGEWOOD, CASTLEKNOCK DUBLIN 15€565,0009 April 2026
APT 7, GOLDSMITH HALL, COLLEGWOOD€367,5002 April 2026
TWIN OAKS, WATERMILL RD, RAHENY DUBLIN 5€1,020,00030 March 2026
9 STOCKTON DR, CASTLEKNOCK, DUBLIN 15€977,67518 March 2026

Addresses and prices exactly as published in the Property Price Register. See every sale, coloured by price, on the map.

Planning in Castleknock

Applications, 12 months
29
Decided, 12 months
28
Granted, 12 months
25
89% of decisions
On record
75

Most recent applications in Castleknock

The development will consist of a 5-year temporary planning permission
Fingal · FW26A/0322E · submitted 17 August 2026 · View on council site
Alteration/extension of the existing two storey detached house at 4 Du
Fingal · FW26A/0311E · submitted 31 July 2026 · View on council site
Alteration/extension of the existing two storey detached house at 4 Du
Fingal · FW26A/0307E · submitted 31 July 2026 · WITHDRAW APPLICATION · View on council site
Alteration/extension of the existing two storey detached house at 146
Fingal · FW26A/0274E · submitted 6 July 2026 · View on council site
The development will consist of the demolition of portions of the exis
Fingal · FW26A/0264 · submitted 1 July 2026 · REQUEST ADDITIONAL INFORMATION · View on council site

Sold prices by street and estate in Castleknock

Every street or estate in Castleknock with at least twenty sales on the register, most-sold first — what homes there actually went for.

Questions people ask

Is Castleknock a good place to live?

Addris scores Castleknock 84 out of 100 for a home buyer (Strong) and 83 for an investor. The score weighs transport, everyday convenience, schools and family services, flood and other risk, market strength and planning activity for the area — the sections below show each part.

What is the average house price in Castleknock?

The median sold price in Castleknock, County Dublin over the last 12 months was €607,500, from 86 sales in the Property Price Register (data to 2026-09-13). Over five years the median is €569,141 from 454 sales.

How many homes sold in Castleknock in the last year?

86 residential sales in Castleknock, County Dublin were recorded in the Property Price Register in the last 12 months, and 454 in the last five years.

What is public transport like in Castleknock?

Castleknock, County Dublin has 13 bus, rail and Luas stops with about 2,960 scheduled departures a week, from the National Transport Authority's timetable data.

What schools are in Castleknock?

There are 2 primary and 2 secondary schools inside the Castleknock area on the Department of Education register, and 8 registered childcare services.

Is there much building planned in Castleknock?

29 planning applications were submitted in Castleknock, County Dublin in the last 12 months; of the 28 decided in that time, 25 were granted.

Where does this data come from?

Sold prices are the Residential Property Price Register published by the Property Services Regulatory Authority; planning applications come from the National Planning Application Database (Tailte Éireann) and council feeds; transport from the National Transport Authority; schools, childcare and health services from their public registers. Addris updates the pages weekly.

Sold prices by Eircode area

Other places in County Dublin

Part of County Dublin sold prices. The suburb boundary is the box the Addris map uses for Castleknock, drawn from the addresses on the register rather than any official line, so edges can take in a little of the next place.