Hong Kong housing is in large clusters and extremely densely populated. Taking only three of the large private housing estates (Mei Foo, Taikoo Shing, Whampoa G

Hong Kong housing is in large clusters and extremely densely populated. Taking only three of the large private housing estates (Mei Foo, Taikoo Shing, Whampoa Gardens) gives you a population of roughly 150,000ppl. So the providers can be reasonably assured of a large market, although they commonly use some aggressive sales tactics.