There are no official "no-go zones" in London in 2026 where the police or the public are barred from entering; London remains one of the safest global cities for its size. However, like any major metropolis, it has neighborhoods with higher crime rates—primarily related to theft and gang activity—that tourists may choose to avoid late at night. Areas like parts of Newham, Brent, or certain estates in South London may feel less welcoming to a stranger, but they are not "off-limits." For a visitor, the most significant "danger" is often petty crime like phone snatching by moped riders, which can happen even in wealthy districts like Westminster or Chelsea. Standard safety advice applies: stay in well-lit, populated areas, keep your phone tucked away while walking, and be aware of your surroundings on the London Underground after midnight. To put it in perspective, the vast majority of London is safe for walking at any hour, and "no-go zones" are more of a persistent internet myth or a mischaracterization of localized socioeconomic challenges rather than a reality for travelers.