Cathay Pacific First Lounge T3 Heathrow

oneworld Emerald access any carrier. À la carte and noodle bar, complimentary showers. Calm, precise, and consistently excellent. BA Gold members should use this.

Centurion Lounge, T3 Heathrow

Amex Platinum card access, two guests free. Hot food, cocktail bar, complimentary showers. The best card-access lounge at Heathrow.