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Reducing failed installations

Reduced appliance installation failures through process redesign, research, and prototyping.

Quick overview

  • Role: Lead UX Designer

  • Company: John Lewis

  • Impact: 

    • 12% reduction in installation failures. 

    • Improved customer satisfaction and operational efficiency. 

    • Approach scaled to eight additional product types.

Situation

High failure rates for large appliance installations caused customer complaints and operational inefficiencies.

Task

Reduce failed installations and improve customer satisfaction. 

Streamline pre-purchase and installation process.

What I did

  • Analysed customer verbatims and call logs to map pain points. 

  • Facilitated co-design sessions with subject matter experts. 

  • Designed pre-purchase check flow and prototypes. 

  • Simplified technical language and validated through testing.


Pre-purchase check flow · Early prototypes of gas cooker process.

Pre-purchase check flow · Early prototypes of gas cooker process

Impact

  • 12% reduction in installation failures. 

  • Improved customer satisfaction and operational efficiency. 

  • Approach scaled to eight additional product types.

Who I collaborated with

  • Learned that pre-purchase guidance can prevent operational failures. 

  • Co-design with SMEs reveals hidden pain points. 

  • Iteration is critical: small changes in process can have large operational outcomes.

Reflections

  • Learned that pre-purchase guidance can prevent operational failures. 

  • Co-design with SMEs reveals hidden pain points. 

  • Iteration is critical: small changes in process can have large operational outcomes.

© 2025 by Melissa Robinson. All rights reserved

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