Bespoke Decision Support tool

The goal of this randomised clinical trial is to assess whether personalised treatment counselling can improve the decision-making experience in patients with a new diagnosis of localised prostate cancer. The main question it aims to answer is: • Does the Bespoke Decision Support tool reduce decisional conflict in those choosing between treatment options for localised prostate cancer? Researchers will compare the addition of the Bespoke Decision Support tool to standard treatment counselling versus standard counselling alone. Patient participants will: * Receive standard counselling with or without access to the Bespoke Decision Support tool (based on arm of randomisation), prior to making a treatment decision. * Answer to questionnaires regarding urinary, sexual and bowel function and decision-making outcomes before and after making a treatment decision and at 3, 6, and 12 months after initiating treatment. * Take part in a qualitative interview to discuss their decision-making experience Health Care Professional participants will: • Take part in a qualitative interview to discuss their experience in providing decision support in the trial using the Bespoke Decision Support tool.