Q:
How can I edit the structure and visual of the sinlge page property?

A:
You have 3 ways for change single page:
1. Go to Real Estate Options => Properties Page => Single Property (only change header layout)

2. Override template: create folder “ere-templates” in your theme then copy the file want to edit in “essential-real-estate\public\templates” to “ere-templates” then modify it.
3. Use Filter hook and Action hook for change.