Is Theresa May now the prisoner of No 10?

An interesting notion and, in consideration thereof, one might think to argue that her position now (one of her own making, it has to be said), has perhaps bizarrely become broadly analogous to that of Julian Assange, cooped up as he is of necessity in the Ecuadorian Embassy in London, the difference being that May won't remain in her self-made prison for long whereas M. Assange might stay in his indefinitely...