We deliver building maintenance and renewal works that extend the life of your asset, reduce risk and minimise disruption to your operations. If you’re planning a major maintenance or renewal programme, talk to us early so we can partner with you on a solution that stands up over time.
Partners for the life of your asset
Greenhithe Substation re-roof
Pitt Street canopy maintenance
Ewelme Cottage maintenence
Z Karaka refresh
BP East Tamaki crash repair
Canopy replacement at BP Taupō
Watercare pump stations
Devonport Recycling Centre re-roof
Our building maintenance expertise
We partner with asset owners and managers to scope, plan and deliver projects that protect long-term value. Our clients include commercial property owners and portfolio managers, local authorities and public sector agencies, infrastructure and utilities providers, and education and healthcare asset managers. We provide end-to-end delivery of complex maintenance and renewal projects across buildings and infrastructure, including:
- Structural strengthening and remediation: Targeted upgrades to extend service life and meet current standards.
- Roof replacement and upgrades: Full roof renewals, seismic restraints, drainage improvements, insulation upgrades.
- Recladding and weathertightness remediation: Removal and replacement of façade systems, addressing water ingress and compliance issues.
- Civil remediation and asset renewal works: Renewal and upgrade of water, wastewater and stormwater assets, including pipelines, pump stations, reservoirs and associated structures.
- Building envelope upgrades: Windows, curtain wall systems, waterproofing, flashing, painting and detailing improvements.
- Services renewal: Integration with mechanical, electrical, drainage and plumbing upgrades where required as part of wider works.
- Urgent repairs: Our team can respond promptly to any demand, from minor works to emergency call-outs. Our experience ensures no disruption and quality work outcomes.
“I appreciate the Cassidy team’s proactive approach to identifying potential maintenance issues before they become problems, and their agility in performing repairs as they arise. When we build our next project, Cassidy Construction will be the team we call.”
Doug Alexander, Panmure Trust
Panmure Trust property Residence Balmoral
Why choose Cassidy Construction for maintenance
- Planned, not reactive: We work with you to prioritise works based on risk, condition and lifecycle, helping you avoid costly failures and unplanned downtime.
- Experience across vertical and horizontal assets: From buildings to buried infrastructure, we understand how different asset types interact and how to stage works efficiently.
- Live environment expertise: We plan carefully to maintain business continuity, network performance and public safety, whether working in occupied buildings or on active infrastructure.
- Clear scope and cost certainty: Early contractor involvement, detailed investigations and transparent pricing reduce surprises during delivery.
- Quality and compliance: We manage consenting, documentation and quality assurance to meet building code and infrastructure standards.
- Integrated delivery: From investigation and design coordination through to construction and handover, we provide a single point of accountability.
