From Piccadilly Circus Station / Walk north-east to exit onto Shaftesbury Ave. Head up Shaftesbury Ave. 0.1 miles until you reach Wardour St. The office is opposite Sondheim Theatre, with the entrance on your right.
From Leicester Square Station / When you exit the station on Charing Cross Rd. head north towards Great Newport St. Turn left onto Shaftesbury Ave and walk 0.2 miles. The entrance to 62 Shaftesbury Ave will be on your left hand side.