21 Brentwood Avenue, Blackheath, NSW 2785 | House for sale | OnTheHouse
 
FOR SALE
$1,450,000 - $1,550,000

21 Brentwood Avenue
Blackheath NSW 2785

Bedrooms: 4
Bathrooms: 3
Car spaces: 2
Floor area: 210m2
Land area: 1400m2
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'ST JOHN'S WOOD' - CHARACTER HOME WITH COTTAGES ON A STUNNING GARDEN ESTATE

Set on a beautifully landscaped 1,400sqm parcel in one of Blackheath's most sought-after streets, 'St John's Wood' is a charming circa 1950s double brick residence offering a rare combination of character, versatility and established garden beauty. Originally designed by the first head gardener of Mount Tomah, the grounds are a true highlight, featuring meandering paths and an array of cool climate plantings that create a private and enchanting setting.
The main residence is solidly constructed and thoughtfully laid out, offering two spacious bedrooms, multiple living areas and a generous sunroom at the rear that captures natural light and garden views. Freshly painted throughout, the home is complemented by a spacious kitchen and comfortable interiors, making it ideal for immediate enjoyment.
Adding exceptional flexibility, the property includes two separate studio cottages, previously operated as a successful Airbnb, providing ideal accommodation for guests, extended family or the potential for continued short-term rental income. A further detached studio offers the perfect work-from-home space or creative retreat.
Summary of Features:
• Circa 1950s double brick home on a 1,400sqm block
• Beautifully landscaped gardens designed by Mount Tomah's first head gardener
• Two spacious bedrooms and multiple living areas
• Generous rear sunroom filled with natural light
• Two detached studio cottages, previously used for Airbnb accommodation
• Additional separate studio ideal for home office or creative space
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Property Details for 21 Brentwood Ave, Blackheath

21 Brentwood Ave, Blackheath is a 4 bedroom, 3 bathroom House with 2 parking spaces. The property has a land size of 1400m2 and floor size of 210m2. The place is currently for sale with Ray White Upper Blue Mountains.

Building Type
House
Floor Size
210m2
Land Size
1400m2
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About Blackheath 2785

The size of Blackheath is approximately 32.7 square kilometres. There are 29 parks, covering nearly 20.7% of the total area. The population of Blackheath in 2016 was 4396 people. By 2021 the population was 4672 showing a population growth of 6.3% in the area during that time. The predominant age group in Blackheath is 60-69 years. Households in Blackheath are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Blackheath work in a professional occupation.In 2021, 76.50% of the homes in Blackheath were owner-occupied compared with 73.30% in 2016.

Blackheath has 3,612 properties. Over the last 5 years, Houses in Blackheath have seen a 19.19% increase in median value, while Units have seen a -2.45% decrease. As at 31 August 2026:

  • The median value for Houses in Blackheath is $908,635 while the median value for Units is $535,282.
  • Houses have a median rent of $590.
There are currently 43 properties listed for sale, and 5 properties listed for rent in Blackheath on OnTheHouse. According to Cotality's data, 149 properties were sold in the past 12 months in Blackheath.

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Blake Caldwell
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Ray White Upper Blue Mountains
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