90 Devonport Road Basebuild and Fitout
90 Devonport Road stands as New Zealand’s largest modern mass timber building, constructed using cross-laminated timber (CLT).
The 10,400m² commercial office at 90 Devonport Road stands as New Zealand’s largest modern mass timber building, constructed using cross-laminated timber (CLT). Leased to Tauranga City Council, it now serves as the workplace for over 1,000 administrative staff.
CLIENT
Willis Bond and Tauranga City Council
LOCATION
Tauranga, New Zealand
COMPLETED
2024
Awards
2025 Building Nations - NZ Infrastructure Awards - Excellence in Innovation Award - Best in category
2025 Property Council New Zealand Central Property Awards - Best Team
our Scope
Willis Bond engaged Marshall Day Acoustics to deliver the base build acoustic design services for the eight-level development. Tauranga City Council engaged Marshall Day Acoustics to deliver their fitout.
Our scope included managing external noise ingress, internal sound insulation, reverberation control, and mechanical services noise.
The building was designed to achieve the highest sustainability benchmarks, successfully attaining a Green Star 6 rating. Acoustic design played a key role in this achievement, with the project targeting and securing all three available points under the Green Star acoustic criteria. Additionally, we conducted an assessment against the WELL Building Standard, ensuring the acoustic environment contributes positively to occupant health and wellbeing.
CHALLENGES
The project presented unique acoustic challenges due to the exposed CLT structure, requiring innovative solutions to meet high-performance standards while maintaining cost-efficiency and buildability. A raised acoustic floor is not common in New Zealand office fitouts and adds complexity when considering the staging of basebuild and fitout activities.
We worked with the design team to develop a novel way to ensure fitout walls were constructed off the CLT structure but ensured that the raised floor could be installed early in the programme.
PROJECT TEAM
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