The Hunter's home like the name suggests is

The Hunter household as seen in 'The Demon the Headmaster Strikes again.'

where the Hunter family, Mr Hunter, Mrs Hunter, Lloyd, Harvey and Dinah live. Through out the series the Hunters have three homes: the original, the one paid for by the Research Centre (The Demon Headmaster Strikes again) and last known one where they move back into the original area The Demon Headmaster Takes Over.