Rosslyn Coffee Queen Victoria Street

Opening at 6:30am on weekdays, this Queen Victoria Street roastery near St Paul's caters to early risers across the City of London — and with a 4.8 rating from more than 1,200 reviews, the coffee clearly keeps them coming back. Dogs are welcome and the entrance is wheelchair-accessible, while takeaway, dine-in and delivery are all on offer, along with beans for brewing at home.