Building a house
- Time
- 12 months
- Cost
- 5 MSEK
- Scope
- 250 m² villa
Want a pool? Either +time, +cost, or drop another room.

A modern primer on project management and why the Triple Constraint is the foundation of every successful delivery decision.
A project is a time-bound effort with a defined goal, a fixed budget, and a bounded scope. Project management is the discipline of steering these forces toward a shared outcome.
Repeatable. Stable. Optimised over time.
Time-bound. Unique. Creates change.
Clear, measurable, and anchored in business strategy.
Everyone affected by — or able to affect — the delivery.
Concrete outcomes the organisation can receive.
The things we don't know — that happen anyway.
Decision rights, escalation, and control points.
Sequence, dependencies, and resources across time.
Two out of three projects miss their plan. Rarely because of the technology — almost always because of imbalance between time, cost, and scope.
Hover or tap a corner to understand its role.
Change one variable and at least one of the other two must adjust. There is no shortcut.
↑ Scope → requires more Time or higher Cost
Want a pool? Either +time, +cost, or drop another room.
New integrations push either budget or launch date.
Accelerated rollout demands double the delivery teams.
More stores in scope delays go-live.
Added political requirements must trade against budget.
Define, document, and defend what is in — and what is not.
Identify, value, and proactively manage uncertainty.
Expectations, decision rights, and willingness to change.
People don't accept projects — they accept change.
Roles, forums, and decision paths that actually work.
Measure the value the project promised — not just delivery.
Small additions that together destroy timeline and budget.
Dates set by wishful thinking rather than capacity.
Optimistic estimates without risk buffer.
Decisions are made — but not accepted.
No one knows who can say yes, no, or wait.
Changes slip in without impact analysis.
Every project decision is, at its core, a decision about Time, Cost, or Scope. Seeing the whole system is what separates operators from leaders.
“Every project decision is ultimately a decision about Time, Cost, or Scope.”
Select a level to see its typical characteristics.
Dependent on individual heroes. Inconsistent results, high key-person risk.
Learn how successful organisations balance Time, Cost, and Scope to consistently achieve project success.