203/37 Heydon St, Mosman is a 3 bedroom, 2 bathroom Apartment with 2 parking spaces. While the property is not currently for sale or for rent, it was last sold in April 2025. There are other 3 bedroom Apartment sold in Mosman in the last 12 months.
Situated in the award winning HELM development 'Sonnet,' this large luxury apartment offers an enviable lifestyle of absolute comfort and convenience.
Defined by house like proportions and enjoying a perfect North Easterly aspect this is a rare offering in a prized village location.
Features include:
Boutique low rise security development of 9 completed in 2023
Exceptional floorplan with generous living flowing to covered entertaining
Fully integrated open plan kitchen with stone benchtops, Gaggenau appliances and bespoke joinery
Lux master suite with en-suite bathroom and walk in robes
Two additional bedrooms with built-in wardrobes, Cavalier Bremworth wool carpets
Level lift access to entry and secure undercover parking, visitor parking & car wash bay
Short level walk to Spit Junction, city transport, cafes & restaurants
A superb apartment defined by luxury, quality construction and convenient low maintenance living.
Strata levies: $2163/qtr Council rates: $536/qtr Water rates: $262/qtr
The size of Mosman is approximately 8.7 square kilometres. It has 45 parks covering nearly 29.6% of total area. The population of Mosman in 2016 was 28475 people. By 2021 the population was 28329 showing a population decline of 0.5% in the area during that time. The predominant age group in Mosman is 50-59 years. Households in Mosman are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Mosman work in a professional occupation.In 2021, 64.10% of the homes in Mosman were owner-occupied compared with 62.80% in 2016.
Mosman has 16,015 properties. Over the last 5 years, Houses in Mosman have seen a 31.66% increase in median value, while Units have seen a 37.08% increase. As at 31 January 2026:
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