Concerts Tonight in London
Monday 21 September · Explore tonight’s live music, venues and available tickets.
Plan your night in London
Find live music in London for Monday 21 September. Listings use the venue’s local calendar date, not your device’s timezone. Open an event to review the available tickets, then check the start time, delivery deadline and entry requirements with your selected seller before travelling. Last-minute availability is not guaranteed.
Things to do in London today
The fastest way to see what is on in London today is to scroll the event list above, which auto-sorts by start time. Same-day West End tickets are almost always available through the TKTS booth in Leicester Square — open daily from 10 or 11 am, with same-day stalls and circle seats at 20 to 50 percent off the box office.
The TodayTix app runs digital lotteries for the biggest musicals at £25 to £40. Comedy clubs at the Comedy Store, Top Secret, and Soho Theatre nearly always have walk-up seats outside weekend headliners.
London is a theatre matinee plus evening city. A 2.30 pm West End matinee, a quick dinner in Covent Garden or Soho, and a 7.30 pm second show is the local power move on Wednesdays and Saturdays.
For tonight, check the Roundhouse, KOKO, Heaven, the Jazz Cafe, and Ronnie Scott's for last-minute gig availability. The O2, Wembley, and the bigger arena shows almost always sell out weeks ahead, but resale through verified UK secondary platforms covers most of the week.
Transport reality shapes the late-night plan. The Tube's last train out of central runs roughly 12.30 to 1 am weeknights, earlier than most expect.
Night Tube runs all night Friday and Saturday on the Victoria, Central, Jubilee, Northern, and Piccadilly lines plus the Overground from Highbury to New Cross. Night buses fill the rest.
Past 1 am on a weeknight outside Night Tube coverage, budget £20 to £40 for a cab home.
How to Get Last-Minute Concert Tickets Tonight in London
Same-day concert tickets in London follow three reliable patterns. First, Ticketmaster Fan-to-Fan Verified Resale cuts sharpest in the final 4–6 hours before doors — sellers move inventory before it loses value, and floors on non-rivalry weeknight shows often slip below face value. Second, walk-up box office windows at The O2 Arena open 60–90 minutes before doors and clear production holds and comp returns at face value (no service fees) — bring ID matching the credit card you'd buy with, since walk-up purchases are typically card-only. Third, mid-size venues in London (1,500–4,000 capacity rooms) consistently have $30–$60 inventory available within 24 hours of doors, even on weekends.