At some point, you may need or want to delete one of your sites on Pantheon. The number of free sites you can create is increased after a free site is deleted, or after it has converted to a paid plan.
This action is permanent and irreversible. Export any needed content, code, or files from the site before starting this operation.
Before deleting a site, you must downgrade the site plan to Sandbox level. See Manage Site Plans for more information.
Delete a Site Using the Pantheon Site Dashboard
Select Settings > Delete Site.
Click the Delete Site button.
Enter the site title; this ensures you're aware of the site you're deleting.
Delete a Site From the Organization Dashboard
Select the checkbox next to the site you want to delete.
Click Operations, and select Delete Site.
Click Delete Site(s).
Delete a Site with Terminus
Run the following Terminus command:
terminus site:delete <site>
<site> with your site name. You can see a list of all your sites by running
Delete a Multidev Environment
Refer to the Delete a Branch Environment section of our Multidev guide for more information.