There isn't an acrid smell. There isn't a pale of smoke hanging in the air. Not just months, but years to come. You're just politely being asked to stay out of pastureland. London is still marvelous London.
All paved roads are open throughout the United Kingdom.
It's hard-path only. But you can get right up to the closest part of the monument. Avon is open, and Ann Hathaway's cottage, and Winchester, with its cathedral and King Arthur's round table. There's an awful lot of history in Winchester. It's the footpaths in the county that are actually closed.