London's food geography is complex and constantly evolving. The Bermondsey Street corridor (SE1, between London Bridge and Elephant & Castle) has become the city's most concentrated mile of serious restaurants: Brat, Flor, José, and the Bermondsey Beer Mile all operate within walking distance of each other. The Shoreditch-Hackney axis continues to generate new openings at a pace that makes it the UK's most dynamic food neighbourhood. Soho and Covent Garden host the dining rooms of London's most celebrated chefs — Andrew Wong, Yotam Ottolenghi, Fergus Henderson at St John.
For hotel food specifically, London has undergone a significant upgrade. The Ritz's restaurant under Executive Chef John Williams, the Savoy Grill under Gordon Ramsay's stewardship, and the Holborn Dining Room at the Rosewood are all restaurants that stand entirely independently of their hotel context — places that Londoners book for their own sake, not because they happen to be dining where they're staying. This independence from the hotel market is the mark of genuinely serious food.
Borough Market, the finest food market in Britain, is the primary reason South Bank hotels have become food pilgrimages. Open Thursday–Saturday, the market brings together Britain's best artisan food producers in the Victorian railway arches between London Bridge and Borough High Street. A hotel within walking distance of Borough Market means Saturday morning can begin with Neal's Yard cheese, Monmouth Coffee, and a Porchetta roll from the Roast Kitchen — one of the finest informal breakfasts available anywhere in the world.
The borough of Bermondsey, immediately south of Borough Market, has developed a restaurant scene that rivals anything in London — Brat (wood-fire cooking, Tomos Parry's vision of Welsh and Basque influences), Hide and Seek, and the Bermondsey Street wine bar community all operate within 10 minutes' walk of the South Bank hotels. For food-focused hotel guests, the combination of Borough Market access and the Bermondsey restaurant scene makes SE1 the most gastronomy-dense hotel geography in London.