21 Mason St, Thirroul is a 4 bedroom, 2 bathroom House with 1 parking spaces and was built in 1910. The property has a land size of 715m2 and floor size of 197m2. While the property is not currently for sale or for rent, it was last sold in November 2025. There are other 4 bedroom House sold in Thirroul in the last 12 months.
Masterfully remodelled to meet the demands of modern living whist honouring its rich heritage, this enchanting Federation-style cottage feels extraordinarily warm and welcoming, and offers a spacious family home with convenient access to schools, Thirroul Village and train station.
Featuring a gloriously sunny heated in-ground pool and expansive backyard, step inside and discover light-filled open plan living connecting to northeast facing alfresco entertaining, high ornate pressed metal ceilings and stained glass windows, a superb contemporary kitchen complete with quality appliances and walk-in pantry, and a vast lower level retreat including privileged guest suite.
Peacefully positioned in a quiet area and effectively screened from the street by a monumental garden hedge, the apparent tranquility belies the convenient location. Cosmopolitan Thirroul Village shopping, dining, and services are just 200m from home, Thirroul Public School is accessed in 250m, express trains to Sydney or Wollongong are only 400m away, and spectacular Thirroul Beach and Pool are reached in 1.3kms.
- Spacious renovated family home on a generous 715sqm parcel
- R3 zoning presents for amazing opportunities (STCA)
- Exquisite Federation era details including solid Oregon flooring
- Sympathetic addition embraces sunny east facing backyard
- Fabulous wraparound balcony captures distant ocean views
- Carpeted open plan living features striking picture windows
- Alfresco entertaining includes heating and privacy screens
- Modern stone kitchen with freestanding SMEG gas cooker
- 3 generous entry level bedrooms include built-in wardrobes
- Stylish family bathroom features claw foot bath and shower
- Lower level family room connects to spacious sun deck
- Expansive guest suite includes adjoining sitting room
- Laundry with built-in cabinetry, tub, and adjacent ensuite
- Inviting solar-heated saltwater in-ground pool plus deck
- Landscaped backyard with garden shed and rainwater tanks
- Remote access garage includes adjoining workshop/storage
- Electric security gate, fully fenced perimeter, gas hot water
The size of Thirroul is approximately 4.9 square kilometres. It has 20 parks covering nearly 52.5% of total area. The population of Thirroul in 2016 was 6083 people. By 2021 the population was 6348 showing a population growth of 4.4% in the area during that time. The predominant age group in Thirroul is 40-49 years. Households in Thirroul are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Thirroul work in a professional occupation.In 2021, 77.50% of the homes in Thirroul were owner-occupied compared with 77.20% in 2016.
Thirroul has 2,921 properties. Over the last 5 years, Houses in Thirroul have seen a 35.71% increase in median value, while Units have seen a 42.52% increase. As at 31 January 2026:
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