Under "Workspace" > "Repositories" page we can view the list of all repositories associated with their workspace. It would be great if the Size of repositories could be included in this list as its difficult to navigate to each repository settings page to verify the size.

Current alternative

The app described in this article Access and Share Repository Size Data Across All Projects adds a Workspace Settings Menu page with the size of all repositories in a workspace as well as a download option to export the information in a CSV file.

A demo is available in this YouTube video.

Here is a screenshot for a quick reference: