Building Insurability into Offsite Construction Projects

Building Insurability into Offsite Construction Projects
October 27, 2026 7 mins

Building Insurability into Offsite Construction Projects

Building Insurability into Offsite Construction Projects

Offsite construction is changing where project risk sits and how it moves. As high-value components pass through manufacturing, storage, transit and installation, aligning contractual responsibility, risk controls and insurance coverage is critical to project resilience and insurability.

Key Takeaways
  1. Offsite construction changes where risk accumulates. Manufacturing, storage and transit can concentrate significant value before components ever reach site, creating exposures that differ from traditional construction models.
  2. As assets move between stakeholders, clear contractual obligations and aligned insurance arrangements are critical to avoiding uncertainty following a loss.
  3. Early planning strengthens resilience and insurability. Coordinating risk controls, contracts and insurance from the outset helps reduce gaps in protection and supports more confident project delivery.

Offsite construction is gaining momentum, helping developers accelerate project timelines, improve quality control and unlock productivity. As adoption grows, offsite approaches are reshaping not only how projects are built, but where value and risk accumulate. 

While offsite construction can improve efficiency and delivery certainty, it changes how risk is created, concentrated and transferred throughout a project life cycle. Project value may accumulate in manufacturing facilities, storage locations and transit networks long before components reach site and construction begins.

This shift introduces a more complex chain of custody, responsibility and risk. 

Key exposures include:

  • Distributed risks across manufacturing, storage, transit and installation
  • Concentrated value in prefabricated components
  • Repeated defects across standardized designs or production runs
  • Increased reliance on complex manufacturing and supply chain networks

The Challenge: It’s not simply identifying the risks themselves. Stakeholders must also understand how responsibility, contractual obligations and insurance coverage transfer across the delivery chain. When a loss occurs, uncertainty can arise over who bears the risk, which policy responds and where coverage gaps may exist.

The Solution: Insurability in offsite construction depends on aligning contracts, risk controls and insurance coverage from the outset. Early engagement can help stakeholders understand how risk moves through the delivery chain, clarify responsibilities and support more resilient project outcomes.

$148B

The global modular construction market is projected to generate more than $148 billion in annual revenue by 2029.

Source: Research and Markets, Modular Construction Industry Report

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The strongest insurance outcomes are achieved when stakeholders can clearly demonstrate how modular risks are understood and controlled across the full delivery life cycle.

Mary-Catherine Hamill
Head of Construction, Australia

Why Traditional Coverage Doesn't Always Match Offsite Reality

  • 01

    Coverage Fit

    Components such as modular units, bathroom pods and volumetric structures may not align with traditional coverage assumptions.

  • 02

    Concealed Defects

    Unexpected issues in pipework, wiring or waterproofing can require costly dismantling or replacements before repairs can begin.

  • 03

    Custody Gaps

    Coverage and responsibility can become unclear as components move through manufacturing, storage, transportation and installation.

  • 04

    Hidden Exposures

    Testing, commissioning, latent defects and schedule impacts are not always fully addressed during policy design.

  • 05

    Loss Amplification

    A module loss can trigger costs beyond physical damage, including delays, financing impacts and contractor disruption.

Mapping the Custody Chain: Where Coverage Gaps and Disputes Emerge

Offsite construction can involve a broader range of stakeholders, locations and activities than traditional delivery models. This changes the complexity of risk allocation across the project life cycle. 

Multiple organizations can play a role in the manufacture, transportation, storage and installation of project components, with value, custody and responsibility shifting throughout the delivery process. Insurance considerations can therefore span multiple project phases. When contractual responsibilities and insurance policies are not clearly aligned, uncertainty can arise over who bears the risk and how a loss will be addressed.

Two scenarios explore the coverage and responsibility gaps that can emerge during the offsite construction life cycle:

  1. Module Loss During Transportation: A transportation incident involving multiple modules can trigger disputes between carriers, manufacturers and project stakeholders. Challenges may arise when cargo limits do not reflect full module values, transit coverage is unclear or contractual ownership of risk has not been clearly defined. 
  2. Manufacturing Disruption: A loss at a manufacturing facility can create complex insurance and liability issues, particularly when multiple parties and policies are involved. Beyond the physical damage, disruptions can delay delivery, increase costs and create uncertainty around ownership, liability and insurance response.

 

Leveraging Today's Insurance Toolkit for Offsite Construction

While a range of insurance products already exist to support offsite projects, the answer is not simply purchasing more coverage. Stakeholders should instead focus on designing insurance programs that align with contractual responsibilities as assets move through the delivery chain.

Designing an effective insurance program starts with asking the right questions, depending on each stakeholder’s role and priorities.

Developer, Owner and Contractor Considerations

  • How does the accumulation of value during transportation and storage change risk profiles and insurance requirements?
  • How could a disruption affect project timelines, as well as financing arrangements, commercial commitments and strategic business objectives?
  • How do contractual protections and warranties align with project responsibilities and what are the potential downstream impacts?
  • Do the contractual arrangements clearly reflect each party's role and obligations across the design and delivery process?

Manufacturer Considerations 

  • How could a single design, manufacturing or installation issue affect multiple components?
  • What quality assurance and testing controls are in place to identify and address issues before they affect project delivery?
  • Have responsibilities, liabilities and insurance obligations been clearly defined and accurately reflect the services being provided?
  • How do contractual obligations align with the wider project ecosystem?  

5 Strategies to Build Insurability into Offsite Projects

Offsite construction insurability is shaped long before a project enters the insurance market. Decisions around design, supplier selection, contractual responsibility, quality controls and project delivery can all influence how insurers assess risk. 

Early engagement and intentional program design can help organizations present a stronger risk profile and secure coverage that reflects the realities of offsite construction. Key strategies include:

  1. Early Engagement: Engage insurance advisors during project planning and design, not after delivery methods have already been selected. 
  2. Project Resilience: Understand the potential impact of disruptions across manufacturing, transportation and installation activities to make more informed decisions throughout the project life cycle. 
  3. Transparency: Maintain detailed quality assurance records and be transparent with insurers about factory protections, testing regimes, supplier controls and risk management practices. 
  4. Coordinated Delivery: Ensure responsibilities are clearly coordinated and defined across manufacturers, contractors, logistics providers and owners.
  5. Life Cycle Approach: Structure insurance programs around the full journey of a module, from manufacturing through transportation, storage and installation.
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If you are involved in modern methods of construction, you may have gaps in your insurance coverage. Aon’s forward-thinking insurance advisors can help close these gaps and provide construction contract reviews to help you make better decisions and minimize risk.

Hugh Sharman
Strategic Development Account Executive, Construction & Infrastructure, Canada

A Fit-for-Purpose Approach to Offsite Risk

Offsite construction demands its own fit-for-purpose risk and insurance framework that follows assets from factory to handover. As offsite delivery scales, organizations that can manage risk by leveraging data, quality controls, contractual clarity and coordinated insurance planning will be better positioned to secure insurability and project resilience.

Aon helps align project risk, contractual responsibility and insurance coverage to improve delivery certainty and long-term bankability.

Connect with us today to learn how we can support your next offsite construction project. 

Aon's Thought Leader

Hugh Sharman
Strategic Development Account Executive, Construction & Infrastructure, Canada

With contributions from Alicia Clendenan, Andy Desmond, Mary-Catherine Hamill, Roger Moore and Scott Simpson.
 

General Disclaimer

This document is not intended to address any specific situation or to provide legal, regulatory, financial, or other advice. While care has been taken in the production of this document, Aon does not warrant, represent or guarantee the accuracy, adequacy, completeness or fitness for any purpose of the document or any part of it and can accept no liability for any loss incurred in any way by any person who may rely on it. Any recipient shall be responsible for the use to which it puts this document. This document has been compiled using information available to us up to its date of publication and is subject to any qualifications made in the document.

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