Any new runway in Gatwick airport would have to be built after 2016, as the airport signed a legal agreement in 1979 saying the airport would not extend before this date.
Gatwick airport have submitted their plans to the Government-appointed aviation commission led by former Financial Services Authority (FSA) chief Sir Howard Davies.
A full report into the plans will be released in summer 2015.
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Last minute preparations are going on at the Church of St Mary Magdalene where Princess Charlotte will be christened.
Princess Charlotte is being christened on Sunday at Sandringham in Norfolk in only her second public appearance since she was born.
Thunderstorms clear the North, leaving a dry and warm day with sunny spells.