Air India's Terminal 2 lounge is mainly relevant to eligible Air India and Star Alliance customers.

The straightforward Terminal 2 option for eligible Lufthansa Group and Star Alliance business-class passengers.

The higher-tier Lufthansa lounge option for eligible status passengers in Terminal 2.

A paid-access option in Terminal 2, best when its availability and price beat Plaza Premium.

The practical independent-access lounge in Terminal 2, but confirm entry before relying on card access.

A Terminal 2 airline lounge for eligible Singapore Airlines and Star Alliance premium travellers.

A solid choice for eligible United and Star Alliance travellers departing Terminal 2.

American's own Terminal 3 lounge for Admirals Club members and eligible oneworld passengers.

A strong Terminal 3 option for eligible Amex cardmembers, though demand can make access timing-sensitive.

The British Airways business-class and status lounge for eligible Terminal 3 passengers.

One of Terminal 3's better airline-lounge options for eligible Cathay Pacific and oneworld travellers.

A practical Priority Pass-style Terminal 3 lounge, but availability can be the deciding factor.

Emirates' dedicated Terminal 3 lounge for eligible Emirates travellers.

On the live Priority Pass Heathrow directory in Terminal 3, 05:00–22:00, pre-book available.

No Plaza Premium–branded lounge at CTU. Plaza Premium only sells paid access to the China Eastern T2 room (MU/FM boarding pass). Priority Pass at CTU is Comfort Zone / Legang Massage spa credit, not a buffet lounge. Row kept closed so the URL still resolves.

A well-equipped Terminal 3 airline lounge for eligible Qantas and oneworld travellers.

A high-value Terminal 3 lounge for eligible Virgin Atlantic and Delta customers.

On the live Priority Pass Heathrow directory in Terminal 4, 07:00–22:00.

A dedicated Terminal 4 Emirates lounge for eligible Emirates passengers.

Etihad's Terminal 4 lounge for eligible Etihad premium-cabin and status customers.

Malaysia Airlines' Terminal 4 lounge for eligible passengers and qualifying oneworld customers.

The main independent-access option in Terminal 4, provided entry is available.

Qatar Airways' premium-cabin Terminal 4 lounge, with access determined by Qatar's fare rules.

A useful Terminal 5 arrivals facility, particularly for an eligible traveller needing a shower before London.

British Airways' most exclusive Terminal 5 lounge, reserved for its highest eligible First customers.

A British Airways Terminal 5 business-class and status lounge with convenient access for the North side.

British Airways' other main Terminal 5 business-class and status lounge.

The Terminal 5 British Airways lounge for First passengers and eligible oneworld Emerald members.

Terminal 5's independent-access lounge, useful when entry is available but not a substitute for a BA premium lounge.