Risk and uncertainty in construction projects – from assumptions to manageable control
Risk management in construction projects is essential for controlling progress, finances and quality. It is about identifying, assessing and following up on conditions that can negatively affect the project. At the same time, all construction projects involve a certain degree of uncertainty. Material deliveries can be delayed, design can change, ground conditions can deviate from expectations, and weather or coordination between disciplines can affect progress.
Yet it is rarely the risk itself that creates the biggest problems.
The challenge arises when risk is not identified early or followed up systematically throughout the project. Uncertainty can then develop into deviations, delays or increased costs.
In short:
Risks that are not followed up often turn into deviations.
Therefore, risk management is a central part of good project management in construction.
This article explains what risk and uncertainty mean in construction projects, how risk is identified and managed, and how good risk management contributes to better control over progress, quality, and finances.
What is risk in construction projects?
Risk management in construction projects is about identifying, assessing and following up on risks systematically throughout the project.
Risks in construction projects arise when events or conditions can negatively affect progress, quality, safety or finances if they are not handled.
In project management, risk is often described as a combination of probability and consequence.
This means that risk is about events that can occur in the project and that can affect the outcome if they are not handled.
Examples of risks in construction projects can be:
delayed deliveries of materials
inadequate or incomplete design
unforeseen ground conditions
coordination between disciplines that does not function optimally
changes from the client or other parties
A typical example is the delivery of prefabricated elements. If the delivery is delayed, it can affect the progress of several disciplines at the same time and lead to costly delays in the project.
Risk is therefore not a sign that something is wrong with the project. Risk is a natural part of all construction projects.
The crucial thing is how the risk is identified and followed up.
Example of risk in a construction project
A simple example of risk in a construction project could be deliveries of prefabricated elements.
In many projects, the assembly of precast concrete elements is a critical part of the progress. If the delivery is delayed, it can affect several activities at the same time – for example, assembly, roofing and technical installations.
A delay of a few days can therefore quickly develop into a major progress delay if the project has not identified the risk and planned alternative solutions.
If the risk is identified early, the project can plan measures, such as alternative deliveries, adjustment of the progress schedule, or better coordination between disciplines.
This is a typical example of how an uncertainty can develop into a concrete risk in a construction project.
In order to handle such situations in a project, it is important to distinguish between uncertainty and risk.
The difference between risk and uncertainty
The terms risk and uncertainty are often used interchangeably, but in project management there is an important difference.
Uncertainty describes conditions we know little about or have not yet considered.
Risk is uncertainty that has been identified and assessed.
The difference can be described as follows:
Insecurity
something we don't know or haven't considered
Risk
something we have identified, analyzed and assessed the consequences of
When uncertainty is identified and assessed in the project, it can be managed as a risk. The project can then plan measures and reduce the consequences if something actually happens.
From uncertainty to controllable risk
Good risk management is about making uncertainty visible and manageable.
When the project team identifies and assesses possible incidents early, it becomes easier to plan actions and make the right decisions throughout the project.
The project then starts from:
unknown uncertainty → identified risk → controllable follow-up
This provides better control over both progress, quality and finances.
How risk is managed in construction projects
In practice, risk management in construction projects often follows a simple process.
1. Identify risk
The project team identifies potential risk factors in the project. This can be done through risk assessments, planning meetings, or experience from previous projects.
2. Assess probability and consequence
For each risk, an assessment is made of how likely the event is and what consequences it may have for progress, safety or finances.
3. Document risks and measures
Risks and associated measures are documented so that they are visible to everyone in the project and can be followed up over time. This provides traceability and makes it easier to ensure that measures are actually implemented.
4. Implement and follow up on measures
Measures could include, for example:
alternative deliveries
extra checkpoints
clearer division of responsibilities
changes in the progress plan
Risk must be monitored throughout the project's life. New conditions may arise, and previous assessments may change.
👉 Read more in the article:
Project management in practice in construction and civil engineering
Risk, deviations and changes are interconnected
In construction projects, there is often a clear connection between risk, deviations and changes.
When risks are not identified or followed up, the consequences can be:
deviation in execution
delays in progress
need for changes in the project
increased costs
Therefore, risk management is closely linked to other parts of project management.
👉 If you want to understand how risk management is connected to HSE, KS, SHA and project management as a whole, also read: How HSE, KS, SHA and project management are connected in construction
Many risk factors are also handled at the company level through routines for systematic HSE work and clear procedures for safety and follow-up.
Risks related to safety in the project are handled, for example, through the SHA plan, which describes how safety, health and the working environment will be safeguarded in the project.
👉 Read more in the article:
SHA plan in construction
Risk can also lead to changes in the project if conditions change along the way.
If risks are not identified or handled early, the consequences can be deviations in the project.
👉 Read more about this in the article:
Non-conformity management in construction
Common mistakes in risk management
Although most projects conduct some form of risk assessment, there are some recurring challenges.
Common mistakes in risk management include:
risk assessment is only carried out at project start
Risk is documented but not followed up
Responsibility for follow-up is unclear
Risk is not linked to progress plan or project management
experience from previous projects is not actively used
When risk is not followed up systematically, the project loses much of the control that risk management is actually supposed to provide.
When risk management works well
When risk management works well in a project, it provides several benefits.
The project will include:
earlier warning of problems
better control over progress
fewer unexpected deviations
better cooperation between actors
more predictable economy
Risk then becomes not just something you try to avoid, but a tool for better project management.
Systematic risk management in construction is therefore an important part of modern project management in construction projects.
For a more comprehensive review of how construction projects are planned and managed, see our guide to project management in construction.
In summary
Uncertainty is present in all construction projects. The difference lies in how it is handled.
When uncertainty is identified early and systematically handled as a risk, the project can plan measures and reduce the consequences if something happens.
Good risk management therefore makes it possible to move from assumptions and uncertainty to manageable control.
When risk assessments, deviations and follow-up are collected in one structure, it becomes easier to identify problems early and follow them up throughout the project.
Many businesses therefore choose to combine project management, documentation and follow-up in one system so that risks can actually be identified, followed up and managed throughout the entire project.
👉 See how project management in construction can be combined into one solution - and how risk can be followed up in practice throughout the entire project.
