40 Castle Cct, Seaforth is a 4 bedroom, 3 bathroom House with 1 parking spaces and was built in 1950. The property has a land size of 721m2 and floor size of 162m2. While the property is not currently for sale or for rent, it was last sold in August 2025. There are other 4 bedroom House sold in Seaforth in the last 12 months.
Retaining all the period grace of its early century heritage, this solid c1940's residence assures comfortable family living, with great scope to further capitalise. The first home to be built in this exclusive blue-ribbon cul-de-sac within this enclave of Seaforth, it is set to capture glistening views over Middle Harbour reaching the city and Chatswood skylines. Held by the same family for 55 years, with flexible living areas and private alfresco entertaining settings on a low-maintenance 720.8sqm parcel. It's positioned a short stroll to direct pathway access to the water's edge, plus moments to well-respected schools, Seaforth Village, harbour beaches and marinas.
- The first home built in the street, orientated to capitalise on the water views
- Immaculately maintained, mostly single level layout with a choice of living areas
The size of Seaforth is approximately 3.0 square kilometres. It has 15 parks covering nearly 17.5% of total area. The population of Seaforth in 2016 was 7139 people. By 2021 the population was 7384 showing a population growth of 3.4% in the area during that time. The predominant age group in Seaforth is 10-19 years. Households in Seaforth are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Seaforth work in a professional occupation.In 2021, 82.20% of the homes in Seaforth were owner-occupied compared with 81.40% in 2016.
Seaforth has 2,809 properties. Over the last 5 years, Houses in Seaforth have seen a 36.65% increase in median value, while Units have seen a 29.33% increase. As at 31 December 2025:
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