11 Clontarf St, Seaforth is a 4 bedroom, 2 bathroom House. The property has a land size of 678m2. While the property is not currently for sale or for rent, it was last sold in October 2025. There are other 4 bedroom House sold in Seaforth in the last 12 months.
A stunning sanctuary immersed amongst greenery and peacefully positioned back from the road, this elegant home combines effortless chic with mostly single level liveability. Inviting spaces flow with organic grace, finished with bespoke features and wrapped in glass to enable an effortless indoor to outdoor flow and to welcome in the natural light. The lounge and dining come together warmed by a gas fireplace and adjoined by a living room that flows to the deluxe marble kitchen and casual dining room. Living domains open out to the sun washed alfresco terrace that overlooks the pool, gardens and green district. Accommodation includes four large bedrooms plus a garage that has been converted into a luxury multi-purpose space. Beautifully finished with a fresh charm, the location has bus services at the end of the drive and is minutes to Seaforth village, Seaforth Public School, Manly Dam, Balgowlah shopping and multiple beaches.
* A real surprise package privately nestled serenely back from the road amidst beautifully curated gardens
Council: $2,862 PA approx.
Water: $688 PA approx.
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 29.48% increase in median value, while Units have seen a 30.90% increase. As at 31 January 2026:
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