According to Triple H, NXT Takeover:London is already sold out. The show will air live on December 16th on the WWE Network and is part of NXT’s first tour of the United Kingdom. Below you will find the official logo:
On 12/16 @WWENXT takes over @WWENetwork and #NXTLondon to a sold-out crowd! @SSEArena #GetReady pic.twitter.com/xEUk4kNmEY
— Triple H (@TripleH) September 17, 2015