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Everytownland

Sycamore Avenue, Castleknock

Co. Dublin, sold house prices since 2010

Median price
3 market sales since 2021, too few
County median
€436,123
Co. Dublin since 2021
Zoning
R2
RS - Residential, 73 of 79 parcels
Latest sale
€665,000
13 Nov 2025

Estimate About €789,000 for a second-hand home here at 2026 prices; one sale in two between €699,000 and €890,000. How it is calculated

Zoning

Development plan, within 15 m of the street

Source: Tailte Éireann and the Department of Housing (MyPlan), national zoning, CC BY 4.0. A parcel counts in the zone its centre falls in.

Land parcels

Registered freehold land, within 15 m of the street

480 m across. © Tailte Éireann, CC BY 4.0

79 parcels, from 1 m² to 39,022 m², median 230 m².

Line of the street: © OpenStreetMap contributors, ODbL.

Every recorded sale

11 sales, newest first

DateAddress, as recordedPrice
13 Nov 202547A SYCAMORE AVENUE, CASTLEKNOCK, DUBLIN 15 D15HCR2€665,000
12 Jul 202337 SYCAMORE AVE, CASTLEKNOCK, DUBLIN 15 D15E4YT€816,000
24 Jun 20216 SYCAMORE AVENUE, CASTLEKNOCK, DUBLIN 15 D15NP5N€417,000
1 Mar 201720 SYCAMORE AVE, CASTLEKNOCK, DUBLIN 15€570,000
15 Apr 201615 SYCAMORE AVE, CASTLEKNOCK, DUBLIN 15€392,500
22 Oct 20154 Sycamore Avenue, Castleknock, Dublin 15€305,000
19 Sept 20149 SYCAMORE AVE, CASTLEKNOCK, DUBLIN 15€392,750
12 Apr 20137 SYCAMORE AVENUE, CASTLEKNOCK€280,000
10 Aug 201243 Sycamore Avenue, Castleknock, Dublin 15€190,000
7 Oct 201110 Sycamore Avenue, Castleknock, Dublin 15€210,000
16 Dec 20107 Sycamore Avenue, Castleknock€340,000

Source: Residential Property Price Register, Property Services Regulatory Authority. Sales marked “not full market price” are left out of every median.