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Infrastructure investment readiness: making better infrastructure decisions
For councils and infrastructure providers, getting an infrastructure project ready for funding or assurance is only part of the challenge. A project can be technically mature, or even delivery-ready, and still be underdeveloped as an investment proposition.
Experience from Auckland Council’s participation in the Infrastructure Priorities Programme (IPP), reinforced by subsequent Te Waihanga | New Zealand Infrastructure Commission analysis, highlights a recurring issue: infrastructure solutions can become established before the underlying problem, genuine alternatives, costs and evidence have been sufficiently tested.
The practical lesson is bigger than any single national assessment process. Investment readiness starts upstream, with better decisions about the problem being solved, the options available and the value an investment can deliver.
One of the strongest lessons from the IPP experience is that the infrastructure problem needs to be defined independently of the proposed solution. A sound problem definition establishes what is happening, how significant the impact is, where and when it occurs, and what happens if nothing changes.
Without those boundaries, it becomes difficult to determine whether a proposed intervention is proportionate. Starting with the solution can also narrow the choices before the organisation has established what level of intervention the evidence actually supports.
Investment readiness is less about preparing a better application and more about developing better infrastructure investments.
Test genuinely different ways of solving the problem
Options analysis should do more than compare variations of an already preferred solution. Credible analysis can consider materially different pathways, including lower-cost interventions, staged or deferred investment, demand management, different service levels, policy or regulatory responses, better use of existing infrastructure, alternative sequencing and different capital solutions.
That distinction matters. Te Waihanga | New Zealand Infrastructure Commission’s analysis identified a tendency towards larger-scope solutions, with potentially viable lower-cost alternatives excluded too early.
Bring value for money into the decision earlier
Infrastructure affordability is not just about securing funding. The resource identifies input costs, productivity, and project scope and design as three broad drivers of infrastructure cost, with organisations having greater influence over the scope and design decisions they choose to pursue than many external input costs.
This means cost-benefit and value-for-money analysis should help shape the preferred pathway, rather than simply justify it after the fact. The question shifts from“Can we fund this solution?” towards“What is the least-cost, highest-value way of solving the problem?”
Build evidence before it is needed
Investment evidence is most valuable when it can still influence a decision. During the Auckland pilot, relevant information often existed across different parts of the organisation but had not been brought together sufficiently to demonstrate matters such as demand and growth, network constraints, intervention costs, expected benefits and connections with wider priorities.
The objective is therefore not to create more evidence for an eventual application. It is to make significant infrastructure initiatives evidence-ready through normal investment governance.
Connect individual investments to the wider delivery story
A well-developed individual project can still be difficult to justify if it does not align with growth, infrastructure capacity, investment priorities and funding pathways. The resource highlights spatial and timing alignment, organisational alignment, regional and sub-regional alignment, and relevant partner and stakeholder alignment as important considerations.
This puts investment readiness across organisational boundaries. Planning, infrastructure and finance teams need a consistent understanding of the problem, evidence and delivery pathway.
The strongest investment propositions form part of a coherent delivery story, rather than standing alone as individual projects.
Pressure-test investment readiness
The guidance identifies six questions that provide a practical starting point: problem, options, value, evidence, delivery and alignment. If an organisation cannot answer these questions clearly, that may indicate the investment itself requires further development rather than simply a stronger eventual application.
How investment-ready are your infrastructure plans? Harrison Grierson can help pressure-test your investment logic, explore alternative pathways and strengthen the link between spatial planning, infrastructure and value for money.
Talk to our Spatial + Urban Strategy team
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Matthew Prasad
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Nick Grala
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Gillian Crowcroft
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Clare Covington
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Sam Benson
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Sam Coles
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Phil Comer
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Mary McConnell
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Poul Israelson
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James Mathieson
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Hayley Stronge
 "Zoe Du")
Zoe Du
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Craig Friedel
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Anna Gardiner
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Bryce Powell
Frequently Asked Questions
What does infrastructure investment readiness mean?
Infrastructure investment readiness means having an infrastructure proposition that is sufficiently developed across the problem, options, value, evidence, delivery and alignment, rather than simply having a technically mature project. A project can be delivery-ready while still being immature as an investment proposition.
How should councils define an infrastructure investment problem?
Define the problem independently of the proposed infrastructure solution. Establish what is happening, how significant its impact is, where and when it occurs, and the consequences of maintaining the status quo. This helps determine whether the eventual intervention is proportionate to the underlying issue.
What should infrastructure options analysis consider?
Infrastructure options analysis should test genuinely different ways of solving the problem. Depending on the issue, these can include lower-cost measures, staged or deferred investment, demand management, different service levels, policy responses, better use of existing assets, alternative sequencing and different capital solutions.
When should value-for-money analysis happen?
Value-for-money considerations should influence an infrastructure investment while the preferred pathway is still being shaped. Cost-benefit and value-for-money analysis should help determine the solution rather than being used mainly to justify a solution later.
Why does spatial alignment matter for infrastructure investment?
Infrastructure investments need to make sense in relation to where and when growth or change occurs, infrastructure capacity, investment priorities and funding pathways. Wider organisational and regional alignment can therefore be important even where an individual investment is otherwise well developed.