A royal fan, who is camped outside St Mary's Hospital ahead of the birth of the Duke and Duchess of Cambridge's baby, said he would wait "however long it takes".
John Loughrey said he was "exploding inside" with excitement about the birth of the royal baby.
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The plans had been in development since 2014, but would help underline Britain as a "global player" in the wake of the Brexit result.
The number of calls about children suffering or witnessing emotional abuse or physical violence in the home has surged in recent years.
The curtain will come down on the show for the final time at the Piccadilly Theatre in March next year, before embarking on a UK tour.