• Heathrow to Underground -- Picadilly Line -- Not the (Heathrow) Express Train to London,
• At Action Town transfer to the District Line (just cross the platform),
• Exit Ravenscourt Park.
• Down the stairs straight out the first doors you see,
• Turn left, continue along the street which appears to be a dead end, but turns into a narrow passage way,
• Left under the bridge. Look out for the police pulling over the kid on the bicycle.
• First right, second left.
• Do not bring any junk mail with you.