What is user-centred design?
User-centred design (UCD) is an approach that grounds product decisions in evidence about real users — what they need, how they behave, and where current experiences fall short. The goal is not to decorate an interface, but to solve problems that matter to people and to the organisation.
Why it matters
Teams that skip user understanding often ship features that look complete but fail in practice: low adoption, support burden, and rework. UCD creates a shared, evidence-based picture of the problem before solutions are chosen, which reduces waste and builds stakeholder confidence.
Key ideas
- Start with problems, not solutions. Discovery should clarify who is affected, how, and why it matters — before screens are drawn.
- Use research, not opinions. Interviews, observation, and existing data reveal needs that assumptions alone will miss.
- Iterate with users. Early concepts and prototypes are learning tools; they should be tested and refined.
- Design for the whole journey. People rarely experience a product as isolated screens — they move through tasks, channels, and emotional states over time.
- Make UX work visible. Research, content, and design activities need the same visibility as engineering in delivery planning.
How it fits the pipeline
User-centred design runs from discovery through delivery — research synthesis, problem definition, ideation, stories, content, journeys, UI planning, design system, and prototype. Each step should build on evidence from the last.
Strong UCD practice is guided by four principles: evidence before opinion, traceability, human judgement, and structured progression.
Common mistakes
- Treating UCD as a one-off usability test at the end of build
- Confusing stakeholder preferences with user evidence
- Jumping to wireframes before the problem is defined
- Designing for an average user who does not exist
Further reading (NN/g)
- — what discovery covers and what it should produce before design begins
- — research-backed UX training, articles, and guidance
Educational summaries informed by research published by Nielsen Norman Group.