Where is lady Penelopes Rolls-Royce fab 1?

Lady Penelope's Rolls-Royce, known as FAB 1, is a fictional vehicle from the television series "Thunderbirds." It is a pink, luxury Rolls-Royce that features advanced technology and various gadgets, used by the character Lady Penelope, a secret agent. In the context of the show, FAB 1 is often depicted as being based in the UK, where Lady Penelope resides. The car has become an iconic symbol of the series, showcasing the blend of elegance and espionage.