GPs' surgeries should be open seven days a week from 8am until 8pm, David Cameron said as he announced a £50 million trial to encourage longer opening hours.
Around half a million patients are expected to be covered by a pilot project in parts of England as the government seeks to cut pressure on A&E departments.
A recent NHS survey found that almost one in five patients said inconvenient appointments were a concern and 70% backed weekend and after office hours opening.
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The plans had been in development since 2014, but would help underline Britain as a "global player" following 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.