Hate to point out a glaring negative, but ivy (and wisteria, and any other vines) tend to provide an inviting environment for ROOF RATS!! It is a direct highway for them to climb up the side of your building, and they love to climb. I’ve seen the damage — they climb right up the vines, and they will enlarge any little hole around a downspout and happily invade your attic.
And yes, even in Pac Heights — rats are everywhere in this city. The dirty secret is that vines are most often removed from buildings after the owner discovers the unwanted guests and pays big bucks to an exterminator to get rid of them. I know — I’ve seen the whole scenario play out only a couple blocks from this listing. 😉
In another case, I was working on a home on Broadway a few years back (close to Broadway and Steiner). While I was there the neighbors started excavation for a new foundation, and the rats that were disturbed by the digging literally poured out onto Broadway in broad daylight!
On the other hand, apparently Ivy acts as a thermal shield. It’s your call.
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