Probably not right inside the city like we do in suburbia. My memories of Philly the times I have been there is that its the classic East Coast city with a downtown of a mix of older, mostly red brick industrial spaces and some modern buildings, a fair amount of modern buildings but many of them are themselves aging, maybe dating back to the 70s and 80s. Philly also has lots of very old houses, some single family, others converted into flats. The last time I was there was around six years ago, and even though many many neighborhoods have seen a lot of restorative energy and fresh paint, and are kind of gentrified, it still has its share of run down housing thats not that far from abandonment. Some towns in the area (on the NJ side of the river) are realistically, close to being slums.
Riding through Philly on the train in the distant past (a really long time ago and memories are very hazy) not regularly, (because I lived in CA back then) what is called the Eastern corridor, I used to see a lot of English looking row housing, some of it nice, but most of it kind of run down. (Thinking about it though, I may be confusing Philly with Baltimore, thats quite possible, the Amtrak train goes through both areas)
Much of that is likely gone by now. Some parts of that area are also very upscale. NJ has a lot of industrial parks, one area that has a lot of electronics is the Princeton area which is not that far from Philly. But its expensive. Probably way too expensive for Fran.