About Greenstar Properties
Creating high-performing property assets through integrated planning, design and delivery.
Greenstar Properties are specialist commercial and industrial property developers, delivering end-to-end projects throughout New Zealand. What sets Greenstar apart is our integrated approach to property development, providing a single point of accountability from concept through to completion. Backed by more than 125 years of industry experience, our team brings together expertise from every stage of the development process to streamline delivery, reduce risk and provide greater certainty for our clients.
Working with owner-occupiers, tenants and investors throughout New Zealand, we turn development opportunities into tailored property solutions that balance functionality, buildability and long-term value. With offices in Whangārei, Auckland, Hamilton and Christchurch, our team provides nationwide capability with local expertise.
Our management team
Our team combines expertise in commercial and industrial property development, design and engineering coordination, project management, civil works and construction delivery. Together, we collaborate to deliver successful developments from concept to completion.
Walter Hayman
Managing Director
Jason Hayman
Director
Andrew Vincent
Development Director
Gareth Prestidge
Client Relations Director
Nick Johnson
Construction Director
Amy Osborne
Chief Finance OfficerOur delivery methodology
From Detailed Concept Drawings through to Construction Phase, our seven-stage methodology keeps every development on track, giving you clear deliverables and full visibility from concept to completion.
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![Two people in casual clothing examine architectural or engineering blueprints on a table, with a scale model of a building in the foreground.]()
01. Detailed Concept Drawings
Scope of Works
Design Development & Refinement
Consultant Team Collaboration & Input
Preparation of Draft Finishes Schedule
Early Contractor Engagement & Input
Key Deliverables
Floor Plans, Elevations & Cross Sections
3D Conceptual Models
Project Flythrough Visualisations
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![A modern building with a sign reading 'TAHI' and large glass windows. Two people are walking towards the entrance, and there is a crosswalk in front. The surroundings include plants, small trees, and decorative lighting.]()
02. Budget Check
Scope of Works
Preparation of Budgetary Costings from Suppliers & Subcontractors
Review & Validation of Project Programmes with Contractor Input
Key Deliverables
Comprehensive Project Cost Report
Detailed Construction Delivery Programme
Project Milestones Schedule
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![A group of five diverse colleagues in business attire engaging in a handshake and conversation in a modern office.]()
03. Preconstruction Services Agreement
Scope of Works:
Execution of Pre-Construction Services Agreement to Formalise Engagement of Project Delivery
NZS3915 Design & Build Contract Agreement
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![Sign for the Naked Possum, a pet treat shop, near a parking lot with several cars outside a modern building, with trees and a road in the background.]()
04. Development Design
Scope of Works
Preparation of Developed Design Drawings
Coordination with Consultants, Contractors & Stakeholders
Development of Technical Specifications
Design Compliance & Regulatory Review
Risk Identification & Mitigation
Key Deliverables
Design Reports & Documentation
Comprehensive Project Risk Register
Approved Quality Management Plan
3D Models & Visualisations
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![Modern commercial building with large glass windows, situated in a landscaped area with green grass and bushes. The building has signage that reads 'ARCO' and a parking lot with a few marked spaces. The background features a hill with trees and a partly cloudy blue sky.]()
05. Contract Costings
Scope of Works
Preparation of Fixed-Price Costings from Suppliers & Subcontractors
Review & Validation of Project Programmes with Contractor Input
Key Deliverables
Executed Fixed-Price Construction Contract
Confirmed Project Delivery Programme
Formal Contract Agreement
Detailed Construction Delivery Programme
Milestone Schedule Highlighting Key Project Dates
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![Construction workers working inside a building under construction, with exposed wooden framing and large glass windows, during daytime.]()
06. Detailed Design
Scope of Works
Preparation of Detailed Design Drawings
Coordination with Consultants, Contractors & Stakeholders
Development of Technical Specifications
Final Contractor Pre-Qualification and Approval
Implementation of Quality Control Strategy
Key Deliverables
Complete Building Consent Documentation
Project Milestones Schedule
Comprehensive Project Risk Register
Approved Quality Management Plan
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![Modern commercial building with black exterior, large windows, and a spacious parking lot, surrounded by landscaped area and trees, under a blue sky with scattered clouds.]()
07. Construction Phase
Scope of Works
Mobilisation of Site Team & Resources
Enabling Works & Site Preparation
Site Establishment & Setup
Construction Management & Supervision
Ongoing Construction Observation & Quality Assurance
Stakeholder & Communications Management
Contract Administration & Management
Project Financial Control & Reporting
Commissioning of Systems and Facilities
Key Deliverables
Fully Completed Project
Issued Code of Compliance
Commissioning Reports & Handover Documentation
