Which side controlled London during the first English Civil War?

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Painting of the Battle of Naseby shows cavalry and infantry clashing, with soldiers on horseback leading a charge and fallen fighters on the ground amid the chaos of battle. — English Civil Wars *Battle of Naseby*, by an unknown artist. The victory of the Parliamentarian New Model Army, under Sir Thomas Fairfax and Oliver Cromwell, over the Royalist army, commanded by Prince Rupert, at the Battle of Naseby (June 14, 1645) marked the decisive turning point in the English Civil War.

During the first English Civil War, Parliament maintained control over London. As the financial capital of the kingdom, the city was a critical strategic asset for the Parliamentarians. Although King Charles I sought to capture London throughout the conflict to secure victory, he was consistently unsuccessful in doing so.1