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Castle Cove, New South Wales

Coordinates: 33°47′05″S 151°12′23″E / 33.78464°S 151.20642°E / -33.78464; 151.20642
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Castle Cove
SydneyNew South Wales
Innisfallen Castle as seen from Middle Cove
Population2,643 (2021 census)[1]
 • Density1,149/km2 (2,980/sq mi)
Area2.3 km2 (0.9 sq mi)
Location11 km (7 mi) from CBD
LGA(s)City of Willoughby
State electorate(s)Willoughby
Federal division(s)Bradfield
Suburbs around Castle Cove:
Roseville Roseville Chase Killarney Heights
Chatswood Castle Cove Seaforth
North Willoughby Middle Cove Castlecrag
Willoughby Municipality

Castle Cove is a suburb on the lower North Shore of Sydney, in the state of New South Wales, Australia. Castle Cove is located 11 km (6.8 mi) north of the Sydney central business district, in the local government area of the City of Willoughby. Castle Cove is situated on the western side of Middle Harbour.


The Cammeraygal people of the Guringai nation lived in the area until the 1820s and are recorded as being in the northern parts of the Sydney region for approximately 5,800 years.[2]

It is believed that Castle Cove was named after the estate of Henry Hastings Willis, a prominent member of the Parliament of New South Wales at the time.

In 1858 the first grant purchase was made to Dr H. G. Alleyne. By 1878 almost all the land on the peninsula had been sold. In 1886 most of the area had been resold to Andrew Armstrong who formed the Cammeray Estate Land Company, which went into liquidation in 1893. In 1903-04 the Willis family built "Innisfallen Castle", a grand, castle-like house. They had purchased 21 hectares (52 acres) from Dr Alleyne on a default mortgage and used the land for light farming.[2]

In 1958 the Hooker Corporation acquired a controlling interest in Walter Burley Griffin's company, The Greater Sydney Development Association, which had owned most of Castlecrag, Middle Harbour and Castle Cove. From 1956 to 1970 Castle Cove was developed by Headland Developments and Hooker-Rex Estates.[2]

Around 1985, the descendants of Henry Willis attempted to subdivide the land around the Castle, to be used for construction of several town houses, and turn the Castle into a wedding reception centre. As the land earmarked for the town houses was previously donated to the Castle owners by the government to enhance the Castle grounds, it was felt that profiting from this was inappropriate. As a result, Willoughby Council rejected the rezoning required to build the townhouses. Permission to run a business from the Castle was also rejected. The Castle owners then sold the property for approx $4 million, via an onsite public auction.

Heritage listings[edit]

Castle Cove has a number of heritage-listed sites, including:


Historical population
Source: [4] [5] [6] [7] [1]

According to the 2021 census, there were 2,643 residents in Castle Cove. 60.0% of people were born in Australia. The next most common countries of birth were China (without SARs and Taiwan) 7.3%, England 4.7%, Hong Kong 4.1%, United States 1.4% and New Zealand 1.4%. 67.7% of people spoke only English at home. Other languages spoken at home included Cantonese 8.7% and Mandarin 7.9%. The most common responses for religion were No Religion 37.7%, Catholic 23.9% and Anglican 14.3%.[1]


Castle Cove Public School is a co-educational public school. It accommodates students from years Kindergarten to 6.


Castle Cove is served by the 277 bus route from Chatswood. It is operated by CDC NSW.[8]


  1. ^ a b c Australian Bureau of Statistics (28 June 2022). "Castle Cove (State Suburb)". 2021 Census QuickStats. Retrieved 7 November 2023. Edit this at Wikidata
  2. ^ a b c Fact Sheet 2 Castle Cove. Willoughby City Council. May 2013. Retrieved 1 December 2017.
  3. ^ "Innisfallen Castle and Grounds". New South Wales State Heritage Register. Department of Planning & Environment. H00404. Retrieved 18 May 2018. Text is licensed by State of New South Wales (Department of Planning and Environment) under CC-BY 4.0 licence.
  4. ^ Australian Bureau of Statistics (19 November 2002). "2001 Community Profiles: Castle Cove (state suburb)". 2001 Census of Population and Housing. Retrieved 7 November 2023. Edit this at Wikidata
  5. ^ Australian Bureau of Statistics (25 October 2007). "Community Profile Series: Castle Cove (state suburb)". 2006 Census of Population and Housing. Retrieved 7 November 2023.
  6. ^ Australian Bureau of Statistics (31 October 2012). "Castle Cove (state suburb)". 2011 Census QuickStats. Retrieved 7 November 2023. Edit this at Wikidata
  7. ^ Australian Bureau of Statistics (27 June 2017). "Castle Cove (state suburb)". 2016 Census QuickStats. Retrieved 7 November 2023. Edit this at Wikidata
  8. ^ "| transportnsw.info". transportnsw.info. Retrieved 9 March 2024.
  • The Book of Sydney Suburbs, Compiled by Frances Pollen, Angus & Robertson Publishers, 1990, Published in Australia ISBN 0-207-14495-8

External links[edit]

33°47′05″S 151°12′23″E / 33.78464°S 151.20642°E / -33.78464; 151.20642