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Commercial Office Space at 100 Mount Street,

100 Mount Street

Key property information

Now

Build Date

Premium

Building Grade

973 sqm

Lettable Area

250 sqm

Typical Floor Plan

Availability

Property overview

100 Mount Street,

100 Mount Street is a Premium-grade office tower in the heart of North Sydney, delivering a workplace experience defined by architectural excellence, connectivity and amenity. Designed by Architectus in association with SOM (Chicago) and completed in 2019, the 35-level tower comprises approximately 42,000 square metres of premium office accommodation, surrounded by an evolving mix of retail, dining and lifestyle amenity and moments from the Sydney CBD. Defined by its distinctive cross-braced façade and elegant glass-enclosed form, 100 Mount Street has become a prominent addition to the North Sydney skyline, capturing expansive views across Sydney Harbour and the CBD. The building has been thoughtfully designed to support contemporary ways of working, with expansive and efficient floorplates, light-filled interiors and high-performance building systems that enhance occupant comfort, transparency and natural light throughout the tower.At ground level, the building integrates a welcoming commercial lobby, café and retail offering with landscaped public spaces and pedestrian connections, creating an activated arrival experience and strong connection to the surrounding precinct. Positioned at the intersection of Mount, Walker and Spring Streets, 100 Mount Street benefits from exceptional connectivity, with direct access to rail, metro, bus and ferry networks and seamless access to both North Sydney and the Sydney CBD. An exemplar of sustainable workplace design, 100 Mount Street has achieved 5 Star Green Star certification together with WELL Core and Shell Gold Pre-certification, reflecting its focus on environmental performance, occupant wellbeing and long- term workplace quality.

A curated hospitality and retail offering enhances the workplace experience at 100 Mount Street. Home to Glorietta, Kingswood Coffee, Betty's Burgers and Chambers Cellars, the precinct caters to every occasion — from grab-and-go convenience and casual dining to business lunches, client entertaining and evening events. This diverse mix of operators contributes to the building’s vibrant atmosphere and reinforces its position as a destination beyond the traditional workday. 

Features

Parking Cafe Restaurants Onsite Management Security Concierge End of Trip Facilities Bike Storage Metro Train

About Investa

Investa is one of Australia's largest office owners and managers, with a portfolio of premium and A-grade office buildings across Sydney, Melbourne, Brisbane, Perth, and Canberra.

Frequently asked questions about 100 Mount Street

Available office space at 100 Mount Street ranges from 401 sqm to 1,239 sqm. Multiple configurations may be available — enquire for current availability and floor plans.

100 Mount Street provides a range of amenities including Parking, Cafe, Restaurants, Onsite Management, Security, Concierge, and more. These facilities are designed to support productivity and make your workday more comfortable.

100 Mount Street is classified as a premium building, reflecting its quality in terms of design, construction, amenities, and management standards.

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Property ID 589819 Last updated 08 July 2026

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