He doesn't seem to be directing her to. He also answers the bartender with a bare nod and a few coins on the bartop, which are swiftly whisked away. Bracing himself, he drinks the three pints as swiftly as can be reasonably managed. "Right. Now, before these hit my bloodstream, the portal. And understand, that was part of it."

Offering his arm, he escorts Verity toward the back, to a door marked with a crudely simple stick figure. "Don't look around, and breathe as little as possible," he advises, before opening the door and ushering her through. Closing it behind him, he pounds on it three times, shouts, "hurry up in there!", then opens it again, leading Verity out into...

...a station for the London Underground. The door by which they exited apparently belongs to a supply closet, when it's at home. Once the mercifully-undescribed tavern men's room is behind them, he breathes a sigh of relief. "There."