House prices · Co. Dublin
House Prices in Castleknock
The median second-hand home in Castleknock, Co. Dublin sold for €530,000 over the last 18 months, across 427 recorded sales. Year-on-year, second-hand prices are down 2.8%. New builds had a median of €520,642. Homes typically sold for about €5,542 per square metre.
About Castleknock
Castleknock is a well-established western Dublin suburb, known for family housing and strong commuter links into the city. Median second-hand homes sell for about €530,000, which is 9% above the Co. Dublin median, while new-builds are around €520,642. Prices are slightly down year on year, and the area sits in the county’s upper price range.
Median (second-hand)
€530,000
Sales (last 18 mths)
427
Typical €/m²
€5,542
Year-on-year
-2.8%
The second-hand median in Castleknock is 9% above the Dublin county median of €485,000.
Property mix in Castleknock
The make-up of second-hand homes sold here over the last 18 months. Shares are of sales where that detail is known; medians show the typical price.
Property type
Bedrooms
Energy rating (BER)
Floor area
Recent sales in Castleknock
Click any sale for the map, price history and full details.
| Date | Address | Type | Price | Beds | Size | BER |
|---|---|---|---|---|---|---|
| May 2026 | 13 Fernleigh Park, Castleknock | Terrace | €447,000 | 2 | 75 m² | C1 |
| May 2026 | 56 Woodbrook Crescent, Castleknock | Apartment | €365,000 | 2 | 78 m² | C1 |
| May 2026 | 9 Collegefort, Castleknock | Terrace | €330,000 | 5 | 196 m² | C2 |
| May 2026 | 7 Deerpark, Howth | Detached | €1,350,000 | 5 | — | — |
| May 2026 | 45 Millrace Rd, Phoenix Park Racecourse | Apartment | €465,000 | 2 | 82 m² | C2 |
| May 2026 | 43 Rosanula, Phoenix Park Racecourse | — | €450,000 | — | — | B3 |
| May 2026 | 21 Hawthorn House, Farmleigh Woods | Apartment | €535,000 | 2 | 83 m² | C1 |
| May 2026 | 11 Luttrellstown Grove, Castleknock | — | €495,000 | — | — | — |
| May 2026 | Apartment 3 Kilbride Lodge, Castleknock Road | — | €515,000 | — | — | — |
| May 2026 | 42 Woodbrook Park, Riverwood Rd | Apartment | €359,000 | 2 | 92 m² | B3 |
| Apr 2026 | 15 Laurel Court, Laurel Lodge | — | €470,000 | — | — | — |
| Apr 2026 | 31 Orchard Hall, Diswellstown | — | €212,500 | — | — | A3 |
| Apr 2026 | 2 Woodbrook Square, Castleknock | Duplex | €420,000 | 3 | 110 m² | B3 |
| Apr 2026 | 45 Annfield Dr, Castleknock | Terrace | €450,000 | 3 | 102 m² | B3 |
| Apr 2026 | 13 Bramley Crescent, Castleknock | — | €731,000 | — | — | — |
| Apr 2026 | 8 Shandlewood Apts, Castleknock | Apartment | €296,000 | 1 | — | D2 |
| Apr 2026 | 23 Millrace Rd, Phoenix Park | — | €360,000 | — | — | — |
| Apr 2026 | 86 Fernleigh Dr, Carpenterstown | Duplex | €390,000 | 2 | 77 m² | C2 |
| Apr 2026 | 7 Luttrellstown Walk, Castleknock | Semi-D | €167,958 | 4 | — | D1 |
| Apr 2026 | 6 Annfield Ct, Castleknock | Terrace | €410,000 | 3 | 96 m² | C2 |
| Apr 2026 | 8 Luttrellstown Glade, Castleknock | Semi-D | €660,000 | 3 | 130 m² | C2 |
| Apr 2026 | 27 Laverna Dale, Castleknock | — | €622,000 | — | — | — |
| Apr 2026 | 2 The Pines, Castleknock | Detached | €1,160,000 | 4 | 152 m² | D1 |
| Apr 2026 | 10 Alder Lodge, Farrmleigh Woods | Apartment | €565,000 | 2 | 97 m² | B3 |
| Apr 2026 | 36 Castleknock Vale, Castleknock | Semi-D | €506,000 | 3 | 83 m² | C1 |
What is Castleknock like?
Across Castleknock's 2 electoral divisions and 27,322 residents, about 66% of adults hold a third-level qualification and 74% of homes are owner-occupied. On the Pobal HP Deprivation Index 2022 the area is classed affluent.
Pobal HP Deprivation Index 2022
Residents
27,322
people (Census 2022)
Age dependency
34.1%
per 100 of working age
Third-level educated
65.7%
of adults
Professional / managerial
60.2%
of residents
Unemployment
5.5%
of the labour force
Owner-occupied
73.7%
of households
Private renting
23.2%
of households
Population-weighted across the area's 2 electoral divisions, so larger divisions count proportionally more. Unemployment is the weighted mean of each division's combined male and female rate; the relative score is a derived population-weighted average, not an official Pobal figure.
Electoral divisions in Castleknock
2 divisions make up Castleknock. The coloured tag is each one's Pobal affluence band (green = affluent, red = disadvantaged); open a division to see its full Census profile.
Castleknock-KnockmaroonAffluent+10.7
People
Work & education
Housing
Castleknock-ParkAffluent+11.0
People
Work & education
Housing
Pobal HP Deprivation Index 2022 — relative affluence and Census 2022 demographics by Electoral Division. Percentages use Census denominators (adults, households or labour force) that differ by indicator.
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Other areas in Co. Dublin
Based on 545 full-market Property Price Register sales geolocated to Castleknock (2 electoral divisions). Medians exclude non-full-market and bulk transactions. New-build vs second-hand is identified by the VAT-exclusive flag. €/m² uses enriched floor areas where available. Last updated 9 June 2026. Not a valuation of any individual property.