Look, you don’t need to book a guided tour. Just walk up Storey’s Gate, past the guards at the Churchill War Rooms (which is literally next door), and peek inside. The cafe downstairs is actually decent, and the staff are used to people wandering in looking confused.
I’d say go on a weekday afternoon. It’s quieter, and you can pretend you’re a 1920s delegate in a top hat, rushing to a “very important meeting.” The security guard will not judge you. Probably. He might give you a weird look, but own it.
The Verdict: It’s a Time Machine in a Suit
Central Hall Westminster isn’t flashy. It doesn’t scream “look at me” like the London Eye or the Shard. But it whispers stories. It’s the quiet friend who casually mentions they once saved the world.
Next time you’re near Westminster Abbey and you’re dodging selfie sticks, just cross the road. Stand under that massive dome. Let the history wash over you. And if a pigeon gives you attitude, just nod. It’s his building now.