Heading to North Terminal? After arriving at Gatwick Airport station, follow signs to the shuttle

https://www.scribd.com/document/1077066259/Heathrow-to-Gatwick-Airport-Transfers-Coach-Taxi-or-Train-174457

Heading to North Terminal? After arriving at Gatwick Airport station, follow signs to the shuttle. It’s free, frequent, and takes just a couple of minutes platform to terminal.