Of the several Gordon Ramsay’s, the best of the lot, GR at Royal Hospital Road, is currently London’s finest. Getting in takes a top-notch concierge or serious pre-planning.
The other top toque in town is Shane Osborn of Pied A Terre on Charlotte Street.
Both of these restaurants produce innovative “New French” cuisine, meaning an almost complete absence of flour-based sauces. Both also offer a luncheon service that does not require that one sell the flat in Mayfair.
Before visiting London do yourself a favor and book a lunch at both.