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20 Bellevue Street, Thornleigh, NSW 2120 For Sale
20 Bellevue Street, Thornleigh, NSW 2120 20 Bellevue Street, Thornleigh, NSW 2120-Image 20 Bellevue Street, Thornleigh, NSW 2120-Image 20 Bellevue Street, Thornleigh, NSW 2120-Image 20 Bellevue Street, Thornleigh, NSW 2120-Image 20 Bellevue Street, Thornleigh, NSW 2120-Image 20 Bellevue Street, Thornleigh, NSW 2120-Image

20 Bellevue Street, Thornleigh, NSW 2120

Expressions Of Interest

House
Type
6
Bedrooms
3
Bathrooms

Published on Monday, September 07, 2026 ( See property details for 20 Bellevue Street, Thornleigh, NSW 2120)

Expressions Of Interest

  • AI-generated summary for guidance only. We can’t guarantee accuracy -please verify all details independently before deciding.

A rare development opportunity in Thornleigh offering dual R4 zoned properties with significant future potential for investors and developers alike.

🏑 Property Highlights

  • Rare R4 Zoned Opportunity with Development Potential
  • Substantial Combined Landholding of Approximately 1,006sqm
  • Existing Residence and Granny Flat at 20 Bellevue Street
  • Excellent Future Development Prospects for Both Properties
  • Flexible Options for Developers, Investors, and Families
  • Potential for Residential Flat Buildings, Apartments, or Shared Accommodation

✨ Key Features

  • Built-in Robes
  • Open-Plan Living
  • Outdoor Area
  • Ensuite
  • Garage
  • Waterfront / Views
  • Security Screens / Gates
  • Floorboards
  • Pet-Friendly
  • Fully fenced
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20 Bellevue Street
Thornleigh, NSW 2120
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Vertical aerial view β€” 20 Bellevue Street
20 Bellevue Street — Vertical Aerial  •  Thornleigh, NSW 2120  •  Nearmap © 2026

Thornleigh is a highly sought-after suburb known for its family-friendly environment, excellent transport links, and strong growth prospects. It offers a vibrant community atmosphere, proximity to quality schools, parks, and shopping precincts, making it ideal for both families and investors seeking long-term value. The area’s zoning and development flexibility further enhance its appeal for future growth and urban renewal projects.

What are the current zoning and development restrictions for these properties?
Both properties are zoned R4, allowing for a range of development options such as residential flat buildings and apartments, subject to council approval and compliance with planning controls.
Can I renovate or rebuild the existing structures on these properties?
Yes, the properties offer opportunities to renovate or rebuild, with the R4 zoning providing significant future development potential, pending necessary approvals.
What are the potential uses for these properties?
Potential uses include residential flat buildings, co-living arrangements, shared accommodation, boarding houses, NDIS or seniors living, among others, subject to council approval.
Are there any existing development approvals or DA in place?
A previous DA for 45 boarding rooms exists, providing a strong starting point for future development plans, though current planning provisions may offer additional opportunities.
What are the key benefits of purchasing both properties together?
Acquiring both properties offers a substantial landholding with enhanced development flexibility, increased future value, and the potential for larger-scale projects.
Are there any existing easements, covenants, or zoning restrictions that could impact future development plans? What are the potential costs associated with obtaining council approval for development? Are there any known issues with the existing structures, such as structural defects or compliance concerns? Is there any nearby construction or planning activity that could affect the property's value or livability? What are the flood or bushfire risks associated with these properties, and are there any relevant hazard overlays?

20 Bellevue Street, Thornleigh, NSW 2120 - More Details

Expressions Of Interest

20 & 22 Bellevue Street, Thornleigh

Rare R4 Zoned Opportunity - Offered Together or Separately

An outstanding opportunity to secure one or both properties in a tightly held Thornleigh location.

With a combined landholding of approximately 1,006sqm, both properties are R4 zoned and offer a range of exciting possibilities for developers, investors, families and owner-occupiers.

20 Bellevue Street
β€’ 448sqm block
β€’ Existing older-style residence plus granny flat
β€’ Excellent accommodation for families or investors
β€’ Opportunity to renovate or rebuild, with the R4 zoning providing significant future development potential, subject to approval

22 Bellevue Street
β€’ 558sqm corner block
β€’ Excellent frontage and flexibility
β€’ Strong future development potential

Purchase Together or Separately
Acquiring both properties presents a rare opportunity to secure a substantial combined landholding with exciting future potential.

Potential opportunities may include:
β€’ Residential flat buildings / apartments
β€’ Co-living or shared accommodation
β€’ Boarding houses
β€’ NDIS or seniors living.

A previous DA for 45 boarding rooms provides an excellent starting point for those considering future development, while current planning provisions may offer further opportunities.


Opportunities offering this scale, zoning and flexibility are rarely presented to the market.
Whether you're looking to develop, invest, build your dream home or secure land for the future, 20 and 22 Bellevue Street deserve your attention.

All development opportunities and potential uses are subject to Council approval, applicable planning controls and relevant legislation. Interested parties should make their own enquiries and obtain independent planning, legal and financial advice.

Disclaimer: "We have been furnished with the above information, however, Homefront give no guarantees, undertakings or warnings concerning the accuracy, completeness or up-to-date nature of the information provided. All interested parties are responsible for their own independent enquiries in order to determine whether or not this information is in fact accurate.


Type
House
Bedrooms
6
Bathrooms
3

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