It comes after the Civil Aviation Authority (CAA) gave the green light for Heathrow Airport Limited (HAL) can recoup £320million spent on its proposal to build a third runway

Heathrow will be allowed to pass the vast bill it has racked up preparing its third runway bid onto passengers, a watchdog has ruled.

The Civil Aviation Authority (CAA) announced it has allowed Heathrow Airport Limited (HAL) to recoup £320 million