Castle Hill, NSW 2154

Castle Hill is an established, leafy family suburb in the Hills District, roughly 34 km north-west of the Sydney CBD, blending larger older homes on tree-lined streets with newer apartments around its metro town centre. Lifestyle centres on strong schools, the giant Castle Towers shopping centre and direct M1 metro access, which makes it popular with families and professionals wanting suburban space with a rail link to the city. The 2021 census counted 40,874 residents, with high owner-occupancy and a large share of couples with children, so it suits owner-occupier families, upgraders and CBD commuters.

At a Glance

Transport

Two underground stations on the M1 Metro North West & Bankstown Line serve Castle Hill: Castle Hill station (opposite Castle Towers, opened 26 May 2019) and Hills Showground station. Driverless metro services run to Tallawong and, via Chatswood and the Sydney CBD, to Sydenham (city extension opened 19 Aug 2024), with the final Sydenham-to-Bankstown stretch targeted to open in the second half of 2026. CDC NSW buses connect the Castle Hill interchange, including route 610X express to the Sydney CBD via the M2 and routes 660/662 to Parramatta; the M2 Hills Motorway and Old Northern Road provide main road access.

Schools

Castle Hill High School - co-educational comprehensive public high school (Years 7-12) established in 1963 on Castle Street. Castle Hill Public School - public primary school whose origins on Old Northern Road date to 1879 and carry a local heritage listing. Oakhill College - independent Lasallian Catholic college on Old Northern Road enrolling boys in Years 7-10 and both girls and boys in Years 11-12. Gilroy Catholic College - co-educational Catholic secondary college for Years 7-12.

Shopping & Amenities

Castle Towers - owned and managed by QIC - is the suburb's retail anchor: a super-regional centre of about 117,700 m2 lettable area with 317 stores and multiple cinemas as of Dec 2019, linked by pedestrian tunnel to the metro station, and adding new dining, design and lifestyle precincts through 2025-26. The Old Northern Road commercial strip, the Woolworths-anchored Showgrounds Village and the Castle Hill Showground complete the town centre, which also holds the council's administration at 129 Showground Road and a library/community centre opened in 2004. There is no hospital within the suburb: Norwest Private Hospital, a 277-bed Healthscope private hospital with an emergency department in nearby Bella Vista, describes itself as serving The Hills Shire. The Powerhouse Museum's Museums Discovery Centre (collection storage and exhibition space) sits at the corner of Windsor and Showground roads.

Parks & Outdoors

Fred Caterson Reserve is a 58-hectare multi-sports park on Gilbert Road. Bidjigal Reserve provides about 186 hectares of community-trust-managed bushland spanning Castle Hill and neighbouring suburbs, and Castle Hill Heritage Park marks the site of the Third Government Farm established in 1801. Neighbourhood reserves, skate parks and sports fields (e.g. Ambleside Drive Reserve, Castle Glen Reserve) are scattered through the suburb, with the Showground hosting the annual agricultural show.

Property Market

The median house price in Castle Hill was around ~$2.1M (mid-2026). See our full Sydney property price map for how the suburb compares across the city. An established, largely owner-occupied market (72.4% owner-occupation in 2021) of detached family homes, with medium-density and apartment development concentrated around the metro town centre since the mid-2000s rezoning. Family buyers drawn by school catchments, metro access and Castle Towers drive demand;

New Developments

Castle Towers is mid-expansion: a design precinct launched in Nov 2025, and a two-level lifestyle precinct on levels 2-3 (adding brands including JD Sports, Lululemon, LSKD and City Beach, plus 155 car spaces) began construction in Jan 2026 and is slated to open later in 2026. A larger long-mooted expansion toward roughly 150,000 m2 of retail - which would rank among Australia's largest centres - had its further stages paused after COVID-19, following the $180M Stage-1 expansion and station tunnel that opened in Dec 2019. The Sydney Metro Northwest project (delivered 2019) put an underground station opposite Castle Towers and drove town-centre redevelopment, including a pedestrian plaza created by diverting Old Northern Road traffic to Terminus Street.

Jobs & Local Economy

Retail and hospitality at Castle Towers, a super-regional centre with 317 stores as of Dec 2019, forms the suburb's largest employment concentration. Local government is a major employer, with The Hills Shire Council's administration headquartered at 129 Showground Road, Castle Hill. Education is also significant locally (Castle Hill High School, Oakhill College, Gilroy Catholic College and other schools), and health services anchor the surrounding area via Norwest Private Hospital in Bella Vista, which serves The Hills Shire.

Nearby Suburbs

Baulkham Hills, Cherrybrook, West Pennant Hills, Bella Vista, Kellyville, Glenhaven, North Rocks, Beecroft

Sources & method

Researched 4 September 2026 from named public sources — census and government records, transport authorities, council and planning documents — plus published sales data. Where sources disagree on a figure, the guide says so rather than picking one.

Sources cited in this guide:

• Wikipedia — Castle Hill
• Wikipedia — Metro North West & Bankstown Line
• Wikipedia — Castle Hill High School
• Wikipedia — Castle Towers
• NSW Government

Corrections are welcome — if something here is out of date or wrong, tell us and we will fix it.

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