I love it when real locations are woven into programmes I love, so when in London at the weekend visiting the Museum of Brands near Notting Hill with a friend, we thought we'd quickly look up the existence of the shrouded mainline underbelly of Leinster Gardens, as featured in Sherlock Series 3 episode His Last Vow. So it unravelled that the building not only existed, but was only a short hop from our ramblings, so ramble we did, in the footsteps of Sherlock, and the BBC production crew...
