Are these actual sale prices or asking prices?

These are actual sale prices for Castleknock from the official Property Price Register — what buyers really paid, not advertised asking prices. The median over the last 12 months was €615,000.

How current is the data?

It is rebuilt from the Property Price Register as new sales are registered. The latest recorded sale was 12 June 2026.

What is the rental yield in Castleknock?

The gross rental yield in Castleknock is about 4.3% — average rent of €2,192/month against a median sale price of €615,000. The estimated net yield after costs is 3.3%.

Leinster Insider › Dublin › Castleknock

Castleknock House Prices & Rents

814 Property Price Register sales · rents Q4 2025 · latest 12 Jun 2026

Median sale price (last 12 months)

€615,000

224 sales · Dublin prices +4.8% year-on-year (CSO mix-adjusted)

4 homes sold in Castleknock in June 2026 (latest data) — see the Leinster feed →

CSO official benchmark — Fingal median: €500,000 (mix-adjusted, 12 mo to 2026-04). Town figure is local detail.

Avg rent/mo

€2,192

+5.8% YoY

Gross yield

4.3%

rent ÷ price

Net yield (est.)

3.3%

after ~20% costs + LPT

New build

€616,844

Second-hand

€615,000

Over the last 12 months 224 homes sold in Castleknock at a median of €615,000. That sits above the Fingal benchmark of €500,000. Across the Dublin region, CSO mix-adjusted house prices are +4.8% year-on-year. At an average rent of €2,192 a month, that is a gross rental yield of 4.3% (3.3% net of typical costs).

Who lives in Castleknock?

Census 2022 area profile for the Castleknock-Knockmaroon electoral division, the local electoral division covering the area. This is the local-area context — separate from the sale prices above, which are matched to Castleknock addresses on the Property Price Register.

Owner-occupied

72%

24% rented

Houses/bungalows

83%

17% flats/apts

Vacant dwellings

3.7%

Census 2022

Households

6,929

Castleknock-Knockmaroon

AFFORDABILITY

6.3× income

Castleknock’s median sale price €615,000 is about 6.3× the local-area median gross household income of €98,216 (CSO Census 2022, electoral division).

Recent sales

Date	Address	Type	Price
08 Jun 26	APT 13 CLONBERN, PHOENIX PARK RACECOURSE, CASTLEKNOCK	Second-hand	€496,000
05 Jun 26	25 PHOENIX PARK AVENUE, PHOENIX PARK RACECOURSE, CASTLEKNOCK	New	€791,357
04 Jun 26	5 ROSELAWN GROVE, CASTLEKNOCK, DUBLIN 15	Second-hand	€700,000
03 Jun 26	33 SYCAMORE DR, CASTLEKNOCK, DUBLIN 15	Second-hand	€550,000
28 May 26	62 Orby, Phoenix Park Racecourse, Castleknock	New	€500,000
28 May 26	7 BRAMLEY GARTH, CASTLEKNOCK, DUBLIN 15	Second-hand	€675,000
27 May 26	9 STOCKTON COURT, CASTLEKNOCK, DUBLIN 15	Second-hand	€1,005,000
25 May 26	9 AUBURN CLOSE, CASTLEKNOCK, DUBLIN 15	Second-hand	€756,000

Median price, year by year

2023  █████████████████████████████████ €535,000  (227)
2024  ███████████████████████████████ €506,075  (250)
2025  █████████████████████████████████████ €596,000  (242)
2026  ██████████████████████████████████████ €615,000  (95)

Average rent by size

1-bed	2-bed	3-bed	4+ bed
–	€2,034	€2,326	€2,913

Other Dublin towns

Dartry house prices · Mount Merrion house prices · Sandycove house prices · Glenageary house prices · Dalkey house prices · Rathgar house prices

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Official government data only. Individual sale prices are shown exactly as recorded on the Property Price Register. Medians and yields adjust new-build prices for 13.5% VAT (the register lists new dwellings ex-VAT), which brings them within a few % of the official CSO county median. Rents: RTB via CSO.

Sources: Property Price Register (PSRA), CSO RPPI (HPM05), RTB Average Monthly Rent (RIQ02); area profile — CSO Census 2022 (Tables 6.1/6.3/6.8) + ED household income; boundary — OSi/Tailte Éireann; basemap © OpenStreetMap contributors. All CC-BY. Verify any sale at propertypriceregister.ie. Data subject? Email us for removal.