On this page (5 sections)
Who gets in, and what it costs
The Plaza Premium is a pay-in lounge, so there is no cabin class or airline status to hold: a departing boarding pass and one of two ways to pay is all it takes. The first is cash on the door, from around £27.50 at Terminal 2, the cheapest entry, and from around £49 at Terminals 4 and 5, per person, with the exact figure moving by time slot and lead time. The second is a lounge card: Priority Pass, DragonPass, LoungeKey and American Express Platinum and Centurion are all accepted as part of their membership.
The one thing to understand before you rely on it is the booking model. Unlike the No1 Lounge, Plaza Premium does not let Priority Pass holders pre-book a guaranteed slot; card entry is walk-in only, subject to space on the day. On a quiet afternoon that is no problem, but on a peak weekday morning the room can fill and turn members away at the door. Prices and rules shift, so check the current figure on the Plaza Premium site when you book, and remember the standard entry window across the airport's pay-in rooms is up to three hours before departure.
The lounges: T2, T4, T5 and arrivals at T3
Plaza Premium runs three departures lounges and one arrivals lounge at Heathrow, which is the widest independent footprint at the airport. The Terminal 5 room, airside underneath the BA Galleries Club, is the standout for the view: floor-to-ceiling windows over the aprons and the runway, open from 04:45. The Terminal 4 room is the newest, opened in 2024 in the old SkyTeam Lounge space, with a meditation room among the additions, and Plaza Premium also runs the Blush Lounge at T4, the only lounge at Heathrow with a Kosher menu. The Terminal 2 room, on the departures concourse, is the cheapest door of the three.
The odd one out is the Terminal 3 lounge, which is an arrivals room rather than a departures one, open roughly 06:00 to 14:00 and built around a shower and breakfast for passengers coming off a flight. For the fuller picture at each terminal, the Terminal 5 lounges and Terminal 4 lounges pages set the Plaza Premium rooms against the airline and other independent options, and the which-terminal lookup confirms where your flight leaves from before you pick a lounge.
What waits inside
The formula is consistent across the departures rooms: a hot and cold buffet, a full bar, comfortable seating, work areas with Wi-Fi, and showers at most sites, with the Terminal 5 room adding the runway views and the Terminal 4 room a meditation space. They are proper lounges rather than glorified waiting rooms, and for a couple of hours before a flight they do the job of a calmer, better-fed alternative to the concourse for anyone without airline-lounge access.
The Terminal 3 arrivals lounge is the one to know about separately. Open to anyone arriving, not just premium-cabin passengers, it offers a shower, food and a quiet sit-down after a long-haul flight, which is a rare pay-in option for travellers whose airline runs no arrivals lounge of its own. The honest framing across all of them is the same as for any pay-in room: this is a good independent lounge, not an airline flagship, so you will not find the à la carte dining of the BA Concorde Room or the scale of the Virgin Clubhouse, but you also do not need a business-class ticket to walk in.
The Priority Pass catch, and No1
The single most useful thing to know about Plaza Premium at Heathrow is the walk-in-only rule on Priority Pass, because it decides the lounge on a busy morning. At Terminal 2, the No1 Lounge and the Plaza Premium sit near each other and take the same cards, but only the No1 Lounge lets you reserve a guaranteed seat ahead of time. When both have space the choice comes down to the room; when the terminal is busy, the pre-bookable option is the one that does not leave you standing at a full door.
Where Plaza Premium wins is coverage and price. It has rooms at Terminals 4 and 5, where there is no No1 Lounge at all, so for those terminals it is the independent pay-in option rather than one of two. And its Terminal 2 walk-up, from around £27.50, is the cheapest independent door at the airport. The rule of thumb: at a terminal with a pre-bookable lounge, book that for peak; at a terminal without one, or for the lowest walk-up price, Plaza Premium is the room, and the Heathrow lounges hub lays out every option across the four terminals.
Who it suits, honestly
Book the Plaza Premium when you want a calm, well-fed couple of hours before a flight and you do not hold airline-lounge access: an economy or premium-economy traveller at Terminal 4 or 5, where it is the main independent room; anyone chasing the cheapest walk-up door at Terminal 2; or a long-haul arrival at Terminal 3 who wants a shower and breakfast before the day starts. On the runway-view front the Terminal 5 room is one of the better independent rooms at the airport.
Think twice when the peak and the walk-in rule work against you. On a busy weekday morning at Terminal 2, a pre-booked No1 Lounge seat beats a Plaza Premium walk-in gamble; for a short stop before a quick flight, the terminal's own bars cost less than any lounge pass; and if you hold a business-class ticket or the status for an airline flagship, that room is included and almost always better. Weigh the pass against how long you will really be airside, and use the walk-in rule to decide whether to turn up early or book elsewhere.