UPDATE: New city filings for next week's Historic Landmark Commission meeting include additional info on renovation plans for the Perry Estate. Architects Clayton & Little have modified their proposed porch cover structure on the front of the original mansion to meet the needs of the commission, and in the process we've got a better view of the overall plans for the site.
In addition to this new rendering, there's this quote from Holly Arthur, a project manager with Clayton & Little:
We are investing over $60mm in the first phase . . .