A listing of other sites advertising ELT positions. Currently a sponsor is required, which means you need to have your job offer before you can apply. Once you have your sponsor it can take anything from six to ten weeks for your application to be processed and approved. After you have obtained your visa you need to apply for a Hong Kong ID card which is quite straight forward once you have your work visa. These restrictions do not apply to visitors to Hong Kong.
British nationals get six months.
However, it is illegal to work with this visa. The average working week is eight hours a day five and a half day week. Some positions offer alternate Saturday mornings. Please note that some private institutions require you to work Sundays. The cost will depend on location and size.