Principles for Design Principles

Creating useful design principles is challenging. This methodology emerged from leading the creation of design principles for Citizens Advice, focusing on how principles can effectively guide decisions when trade-offs aren't clear.

  1. Be purposeful

    Define how and why design principles will be used before creating them. Consider what decisions they need to influence and what “good” looks like for your specific context.

  2. Be yourself

    Ground principles in your own organisation’s knowledge, users, and business context rather than copying others. Avoid reviewing competitors’ principles to maintain originality.

  3. Be actionable

    Focus on how the experience should feel rather than outcomes. Ensure principles can guide concrete decisions and identify examples that do and don’t demonstrate each principle.

  4. Be considered

    Iterate and test principles with careful attention to language. Allow time for refinement and consider different ways of articulating each principle’s message.

  5. Be maintained

    Establish an owner responsible for making decisions, communicating value, and keeping principles as a living reference that teams actually use in practice.

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