Heavy rain in West London has left the Griffin Park surface unplayable.
"There has been heavy rain in West London over the past few days, it continues to fall and is forecast to fall all afternoon," a statement on Brentford's official website said.
"The ground staff have been working on the pitch consistently and the club has done everything possible to get the game on.
"Referee Simon Hooper inspected the pitch in the last 15 minutes and has deemed it unplayable."
- Sports & Recreation