@echt
No they are speculating and making inferences.
What she said was "“On the broad epidemiology, it’s highly likely that when we come out of this national lockdown, we will not have consistent patterns of infection in our communities across the country.
“And therefore, as we had prior to national lockdown, it may well be possible we need to have some differential application"
“[The] short answer is, I think it’s likely we will have some sort of regional separation of interventions."
She then added "that there were glimmers of hope in London."
It may well be that there are also glimmers of hope in other areas of the country - she did not say that London schools would open first.