Ignatius talked Dorian into hosting a party to kick off his subversive political movement. Dorian didn’t really need much motivation to host a party and he happily invited all his sodomite friends.
Dorian tells Ignatius that his apartment is “on St. Peter Street, the yellow stucco building just off Royal.”
When Ignatius arrived he noted that the building had three stories and two dormer windows in the roof. The building also had a gate that covered a carriageway.
Here are a couple of photos of 831 St. Peter St., which is between Royal St. and Bourbon St. This is probably the best candidate for Dorian Greene’s house, although the dormer windows are not present in the roof…