According to reports, restrictions had been due to run out on Thursday, 30 April, but with no royal baby in sight yet, they have been extended into May.
Westminster City Council confirmed the move to The Mirror.
The Duchess of Cambridge's due date was mid to late April, as she revealed herself, and it's widely believed she is now around three or four days overdue.
Excitement was sparked last night when a tweet did the rounds claiming Kate had given birth to a healthy baby girl named Charlotte but it was later confirmed to be a fake.
Actually, Kate was yesterday seen taking Prince George swimming at Buckingham Palace, driving away in a Range Rover accompanied by security.
Fans have been gathering outside the Lindo Wing since last week hoping to get a glimpse of Kate and William's arrival and be in a good spot when they leave with their newborn.
Temperatures in the capital have turned chilly over the past few days, however, so Kate and William sent a gesture of thanks to the royal supporters yesterday in the form of hot drinks and pastries.
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