In 2005 the Government introduced Part P in England & Wales. As an electrician myself, even after 5 years, I have noted that many home-owners are still not familiar with Part P or are quite confused about what it means, the implications and who and what electrical works can be carried out in the home.
For more information visit my article on the My Local Electrician Magazine - http://www.mylocalelectrician.co.uk/news/2010/jul/electrical-safety-laws-facts-and-advice-part-p