Application process

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To apply, you’ll need a minimum of five GCSE’s grade A* - C and two A levels to include a minimum of a D grade in Chemistry or Biology A Level. Provided you pass each stage, you’ll then go through the following assessments:

  • Initial online application with application questions
  • Telephone interview
  • Assessment Centre at our Labs in Reading - to include an interview, group exercise and practical assessment.

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Contact us

For help or advice on your application, please don’t hesitate to contact us:

Email -

Call - 020 7061 3438 

Our lines are open from 9am to 5pm, Monday to Friday, and closed on weekends and Bank Holidays.


A female Thames Water higher apprentice is inspecting a test tube sample.

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