The Related Properties tab shows the properties you have done valuations on for this contact.
The address is listed followed by the status of that Market Appraisal (Appointment Booked, Market Appraisal sent, instructed us and etc.) The number of bedrooms, bathrooms and receptions are listed and then the type of appraisal they have requested (Sales or Lettings).
When you hover over the vendor, you will see a list of other vendors on that property. The Branch and Valuer is next followed by the appointment date. Clicking on the arrow pointing to the right brings you to the property profile page.