One City Hill 20 Knowles Place, City, ACT 2601

Colliers are delighted to offer for sale, One City Hill, Canberra.

Completed in 2025, One City Hill represents Canberra’s newest premium office asset, delivering exceptional sustainability credentials, enduring income security and significant long-term value creation potential. The asset is anchored by a partial 20-year lease to the AAA-rated Commonwealth of Australia.

Positioned in the heart of Canberra’s CBD, One City Hill occupies a commanding skyline presence with exceptional visibility, abundant natural light and immediate access to the city’s premier commercial, retail, hospitality and lifestyle amenity. The property comprises a substantial net lettable area of 35,216m² over two towers, across a generous 10,759m² site, offering scale rarely available within the national capital.

The south tower is fully leased to the AAA-rated Commonwealth of Australia on a new 20-year lease, underpinning approximately 40% of the property’s income and providing highly secure, cashflow. 

Designed as a next-generation workplace, One City Hill sets a new benchmark for sustainable office accommodation. The building targets a 5.5-Star NABERS Energy rating, features an all-electric plant and is targeting a 5-Star Green Star rating. These market-leading sustainability credentials position the asset to outperform existing CBD office accommodation whilst attracting and retaining high-quality tenants from both the public and private sectors.

Surrounded by major infrastructure investment and key transport links connecting City East and City West, One City Hill is strategically positioned to benefit from Canberra’s continued growth. 

Exclusively presented for sale via International Expressions of Interest by Colliers, closing 3pm (AEST) Tuesday September 22, 2026. 

*All areas are approximate only