Farringdon or Barbican on Circle, Hammersmith & City, and Metropolitan lines.
Farringdon Station is 6 mins walk.
Barbican Station is 6 mins walk.
Buses from Waterloo:
243 bus to St John Street. 25 mins and 4 mins walk.
Buses from London Bridge:
521 bus to City Thameslink Station. 17 mins and 14 mins walk.
Buses from King's Cross:
63 bus to Clerkenwell Road. 14 mins and 8 mins walk.
Buses from Old Street:
55 bus or 243 bus to Clerkenwell Road / St John Street. 13 mins and 3 mins walk.
Farringdon Station is 6 mins walk