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Highlights

  • Located on the corner of Castlereagh Street and Hunter Street in Sydney CBD
  • Refurbished lobby providing a modern building entry experience
  • Walking distance to Martin Place and Wynyard train stations
  • Situated within Sydney’s financial and commercial core
  • Basement parking available within the building

All Available Space(1)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 21st Floor
  • 1,076-5,759 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Level 21 comprises approximately 535 sqm of office accommodation at 1 Castlereagh Street, positioned on the corner of Hunter Street and Castlereagh Street within Sydney’s financial core. The space is offered as a sub-penthouse floor and benefits from three sides of natural light, supporting a bright internal working environment. An existing fit-out is in place, configured to accommodate over 60 staff, and includes a mix of workstations, meeting areas, and breakout spaces. The floor enjoys a north-east aspect with corridor views toward Sydney Harbour, contributing to outlook and daylight penetration. The tenancy is available on a new direct lease and can be offered on flexible lease terms.

  • Fully Built-Out as Standard Office
  • 1 Private Office
  • 60 Workstations
  • Central Air Conditioning
  • Private Restrooms
  • Security System
  • Secure Storage
  • Natural Light
  • Open-Plan
  • Wheelchair Accessible
  • Existing fit-out with capacity for 60+ staff
  • 5 private call booths
  • North-east aspect with views towards Circular Quay
  • Open Floor Plan Layout
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • Wi-Fi Connectivity
  • Fully Carpeted
  • High Ceilings
  • Recessed Lighting
  • Shower Facilities
  • Smoke Detector
  • Approx. 535 sqm sub-penthouse office floor
  • 3 meeting rooms
  • Kitchen breakout area
Space Size Term Rental Rate Space Use Condition Available
21st Floor 1,076-5,759 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now

21st Floor

Size
1,076-5,759 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

21st Floor

Size 1,076-5,759 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Level 21 comprises approximately 535 sqm of office accommodation at 1 Castlereagh Street, positioned on the corner of Hunter Street and Castlereagh Street within Sydney’s financial core. The space is offered as a sub-penthouse floor and benefits from three sides of natural light, supporting a bright internal working environment. An existing fit-out is in place, configured to accommodate over 60 staff, and includes a mix of workstations, meeting areas, and breakout spaces. The floor enjoys a north-east aspect with corridor views toward Sydney Harbour, contributing to outlook and daylight penetration. The tenancy is available on a new direct lease and can be offered on flexible lease terms.

  • Fully Built-Out as Standard Office
  • Open Floor Plan Layout
  • 1 Private Office
  • 3 Conference Rooms
  • 60 Workstations
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Wi-Fi Connectivity
  • Private Restrooms
  • Fully Carpeted
  • Security System
  • High Ceilings
  • Secure Storage
  • Recessed Lighting
  • Natural Light
  • Shower Facilities
  • Open-Plan
  • Smoke Detector
  • Wheelchair Accessible
  • Approx. 535 sqm sub-penthouse office floor
  • Existing fit-out with capacity for 60+ staff
  • 3 meeting rooms
  • 5 private call booths
  • Kitchen breakout area
  • North-east aspect with views towards Circular Quay

Property Overview

1 Castlereagh Street is a commercial office building prominently positioned on the corner of Castlereagh Street and Hunter Street in Sydney’s financial core. The property occupies a highly central CBD location directly opposite the Martin Place Metro Station entrance, placing it within immediate reach of Sydney’s major transport, business, and civic precincts. The building provides multi-level office accommodation and has undergone refurbishment works, including a recently upgraded lobby, to support contemporary office requirements. The property offers a mix of fitted and refurbished office suites and is supported by basement parking and end-of-trip facilities, including showers, lockers, and bicycle racks. 1 Castlereagh Street benefits from strong public transport connectivity, with Martin Place Station, Wynyard Station, and surrounding bus services all within walking distance. The surrounding area offers extensive amenity, including dining, retail, and hotel options associated with the Martin Place and Hunter Street precincts.

  • 24 Hour Access
  • Bus Line
  • Security System
  • Wheelchair Accessible
  • Kitchen
  • Accent Lighting
  • Reception
  • Storage Space
  • Bicycle Storage
  • Central Heating
  • Fully Carpeted
  • High Ceilings
  • Direct Elevator Exposure
  • Open-Plan
  • Partitioned Offices
  • Recessed Lighting
  • Secure Storage
  • Shower Facilities
  • Wi-Fi
  • Air Conditioning
  • Smoke Detector

Property Facts

Building Type
Office
Year Built
1964
LoopNet Rating
4 Star
Building Height
23 Stories
Building Size
173,880 SF
Building Class
A
Typical Floor Size
5,920 SF
  • Listing ID: 39581565

  • Date on Market: 2025-06-18

  • Last Updated:

  • Address: 1-7 Castlereagh St, Sydney, NSW 2000

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