Across the North Island, Downer operates across every major infrastructure sector, delivering services that connect people, strengthen regions, and prepare New Zealand for the future.
From city-shaping rail networks to streamlined regional road upgrades, we are keeping people moving across the North Island – delivering integrated infrastructure solutions that support urban growth, regional connectivity, and long-term resilience. As a key delivery partner in the City Rail Link (CRL) – New Zealand’s largest-ever transport project – we’re helping to transform Auckland’s public transport system. In parallel, projects like the Tīrau to Waiouru Accelerated Rehabilitation showcase our focus on smarter, faster delivery, halving the program’s timeline and unlocking $100 million in whole-of-life value.
We also maintain more than 23,000 Kāinga Ora homes, support Chorus, Spark, and One NZ with national telecommunications networks, and deliver essential services at Defence sites – with our work defined by delivery excellence, innovation, and long-standing partnerships.
We bring national capability and deep local relationships delivering smarter, safer, and more sustainable outcomes that help North Island communities thrive.
Key contracts and projects
City Rail Link
Downer is part of the Link Alliance, delivering New Zealand’s largest-ever transport infrastructure project – twin 3.4km rail tunnels up to 42m underground between Waitematā Station (Britomart) and Maungawhau Station. And we’re not just preparing for day one in early 2026 – Downer will be responsible for managing the ongoing maintenance and operations for up to 30 years.
Auckland Airport - Domestic Jet Terminal
Downer, through Hawkins, is delivering the new Domestic Jet Terminal, continuing a 15- year partnership with Auckland Airport. The project will increase passenger capacity, streamline domestic and international travel, and support over 2,500 jobs at peak construction.
Auckland Transport
Downer has a proud, long history providing local road maintenance and renewal services across Tāmaki Makaurau, leveraging our strong collaborative partnership with Auckland Transport to deliver these essential services.
Powerco
Downer has a long-standing relationship with Powerco, delivering maintenance, minor capital works, and rapid response services across Powerco’s extensive North Island network.
Chorus
Downer has been a long-term partner to Chorus, delivering telecommunications infrastructure for over two decades. We support the build, maintenance, and restoration of both copper and fibre networks managing over 300,000 service requests annually.
Auckland Airport - Domestic Jet Terminal
Downer, through Hawkins, is delivering the new Domestic Jet Terminal, continuing a 15- year partnership with Auckland Airport. The project will increase passenger capacity, streamline domestic and international travel, and support over 2,500 jobs at peak construction.
Tīrau to Waiouru Rehabilitation Accelerated Program
Delivered in partnership with the NZ Transport Agency, we compressed four years of work into two by reducing road cones using the new risk-based traffic management guide. This boosted efficiency by more than 50% and unlocked $100 million in whole-of-life savings.
KiwiRail - Wellington projects
Delivered platform, track, and facilities upgrades to Wellington Railway Station, one of NZ’s busiest and most iconic transport hubs, balancing modern performance with preservation of the station’s historic character. We also partnered with KiwiRail and Aurecon to double-track 2.7km of the Hutt Valley Line boosting capacity, frequency, and resilience for Wellington’s commuter rail.
RNZAF Base Ōhakea
Downer supports Defence through both construction and comprehensive facilities management. Our work spans asset maintenance, cleaning, grounds, utilities, fire and security services supporting operational readiness for New Zealand’s maritime surveillance fleet and military personnel.
Kāinga Ora
Since 2010, Downer has delivered multi-trade maintenance services to Kāinga Ora, supporting over 23,000 homes across Auckland and Wellington.
Watercare
Delivering water and wastewater reactive maintenance and planned works, including meter replacement and pipe renewal programs. We have provided water services in the north Auckland region since 1991 and now provide water to more than 400,000 households in the area
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