The average life expectancy for Brussels Griffons is 12-15 years. (13/15) by Judy Powell September 16, 2020, 4:28 am Judy Powell 0 Previous 13/15 Next View full list See more Previous article For an active, experienced, dog-loving family with a big home, this pup may fit right in. Next article The gorgeous Norwegian Elkhound dog breed, with their wolf-like face, delights in life. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.