From London Heathrow International Airport:

• Head northwest on Inner Ring W toward Camborne Rd (0.3 mi)
• Continue onto Tunnel Rd. W (0.6 mi)
• Continue onto M4 toward Central London/M25 (0.9 mi)
• At the traffic circle, take the third exit to merge onto the M4 toward Central London/Hammersmith/Hayes/Heathrow (0.5 mi)
• Merge onto M4 (7.6 mi)
• Continue onto A4 (6.2 mi)
• Turn left at Half Moon St. (0.1 mi)
• Turn left at Curzon St. (112 ft)
• Slight right to stay on Curzon St. (59ft)
• Turn right at Queen Street Mayfair (302 ft)
• Turn right at Charles St. (0.1 mi)
• Turn left to stay on Charles St. (85 ft)
• Slight left at Berkeley Square (453 ft)
• Slight right to stay on Berkeley Square (184 ft)
• Slight right to stay on Berkley Square, APT London Office will be on the left (449 ft)