Christina Machial first moved to her neighbourhood in central Vancouver nearly 20 years ago, but is now being forced elsewhere because she, her husband, baby daughter and pet chihuahua are bursting out of their one-bedroom condo and cannot afford to buy a bigger home. Housing affordability is a key election topic in the new riding of Vancouver-Granville, which stretches through the heart of city’s residential neighbourhoods, from the mansions of Shaughnessy to the smaller homes and low-rise apartments of Marpole.