Sherlock was filmed in London & Cardiff in the United Kingdom.
The street outside Sherlock and Holmes' flat.
In movie
Scene where Apartment that Sherlock and Watson rent from Mrs. Hudson throughout the series.
Real
Scene was shot on North Gower Street in London, it's about a 25 minute walk from Sherlock Holmes' literary address at 221b Baker Street
London
Aldwych Tube Station
In movie
Scene where Sherlock and Holmes are exploring an underground tunnel.
Real
Scene was shot Aldwych Station originally opened in 1907 as Strand Station and acted as the terminus for a short branch of the Piccadilly Line. In 1962 low ridership caused hours to be reduced and the station was eventually shuttered in 1994. The accessible tracks and preserved platforms make this station a popular filming destination.
London
Aldwych Tube Station