A Constraint is a limiting factor that affects the execution of a portfolio, program, project, or process. Constraints impose restrictions or boundaries that must be managed to ensure successful project delivery.

Key Aspects of Constraints

  • Limit Project Flexibility – Restrict scope, schedule, cost, or resources.
  • Must Be Considered in Planning – Directly influence decision-making and risk management.
  • Can Be Internal or External – May come from organizational policies, regulatory requirements, or market conditions.
  • Affect Project Trade-Offs – Require balancing among competing priorities.

Common Types of Constraints

  1. Scope Constraint – Limits on what the project must deliver.
    Example: A software release must include specific core features.
  2. Time Constraint – Deadlines that dictate project schedule.
    Example: A product launch must occur before a key industry event.
  3. Cost Constraint – Budget limitations impacting project execution.
    Example: A construction project cannot exceed $5 million in total expenses.
  4. Resource Constraint – Restrictions on personnel, equipment, or materials.
    Example: Only two developers are available to work on a new feature.
  5. Quality Constraint – Requirements that define the minimum acceptable standard.
    Example: A medical device must pass strict regulatory testing before approval.
  6. Regulatory Constraint – Compliance with legal or industry standards.
    Example: A financial institution must adhere to new data privacy laws.

Example Scenarios

Software Development

A startup must launch its mobile app within six months due to investor commitments (time constraint).

Construction Project

A building project cannot exceed $20 million, requiring cost-cutting measures (cost constraint).

Healthcare Implementation

A new patient records system must comply with HIPAA regulations, affecting design choices (regulatory constraint).

Why Constraints Matter

  • Define Project Boundaries – Ensure realistic planning and execution.
  • Impact Risk Management – Help identify potential issues before they become major problems.
  • Guide Decision-Making – Force teams to prioritize effectively.
  • Improve Stakeholder Alignment – Ensure expectations are managed from the outset.

See also: Risk Management, Project Assumptions, Resource Allocation, Governance.