The newspaper covers the latest news, sports and features within the south, central and west London area.
Many of its former reporters have gone on to make careers in Fleet Street, and it is still considered a training ground for the nationals.
Max Wall and then Richard Woolveridge edited the bi-weekly in its glory days when its circulation was over 130,000.
Paul McCarthy, sports editor of the News of the World, John Pienaar, political correspondent and reporter on BBC Radio 5 Live, and David Bond, who was appointed as the BBC's sports editor in 2010, worked at the SLP in the 1980s and 1990s.
Others who went on to Fleet Street include Ken Reynolds, Steve Grimes, George Binyon, Willie Robertson, John Twomey, Ian Malin, Debbie Andalo, Brian Stater, Ev Bramble, Carolyn Jones, Anna Pukas, JJ Young, Jonathan Buckmaster, Chris Ward, Stewart Morris, Claire Aaron, Anton La Guardia, Brian McConnell, Peter Burden, Ron Ricketts, Geoff Manners, John Rodda and Colin Wood.