Complex sentence: West Point Grey is regarded as one of Canada's most exclusive neighbourhoods and ranked the most expensive real estate market in North America; average housing prices start at well over $2 million upwards of $25 million.
Split into simpler sentences: West Point Grey is regarded as one of Canada's most exclusive neighbourhoods and was the most expensive real estate market in North America. Average housing prices start at well over $2 million upwards of $25 million.