23/9 Garthowen Cres, Castle Hill is a 3 bedroom, 2 bathroom Unit with 2 parking spaces and was built in 2011. The property has a land size of 251m2. While the property is not currently for sale or for rent, it was last sold in March 2025. There are other 3 bedroom Unit sold in Castle Hill in the last 12 months.
Wiseberry proudly presents this luxurious sub-penthouse in the award-winning Northpoint complex, where sophisticated design meets stunning views. Offering a seamless indoor-outdoor lifestyle, this residence presents a rare opportunity in one of Castle Hill’s most sought-after locations.
Expansive living and dining areas are bathed in natural light, flowing effortlessly to a wraparound balcony that extends around almost the entire apartment. With adjustable louvres, a leafy outlook, and breathtaking Blue Mountains views, this space is perfect for both relaxation and entertaining. The designer kitchen, with a waterfall stone benchtop, gas cooking, glass splashback, and premium Miele appliances, connects seamlessly to the balcony for effortless alfresco dining.
The size of Castle Hill is approximately 18.9 square kilometres. It has 68 parks covering nearly 12.1% of total area. The population of Castle Hill in 2016 was 39594 people. By 2021 the population was 40874 showing a population growth of 3.2% in the area during that time. The predominant age group in Castle Hill is 40-49 years. Households in Castle Hill are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Castle Hill work in a professional occupation.In 2021, 72.40% of the homes in Castle Hill were owner-occupied compared with 74.50% in 2016.
Castle Hill has 19,762 properties. Over the last 5 years, Houses in Castle Hill have seen a 59.89% increase in median value, while Units have seen a 14.65% increase. As at 30 November 2025:
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