I wonder when the practice of naming elegant urban restaurants "taverns" started. Whatever its history, the "tavern" shingle is hanging outside quite a few London restaurants at the moment, and it certainly evokes generosity and good times.
The cooking at Dinner by Heston Blumenthal is so modern and fresh that links to the medieval or Victorian or WWII-era sources are hardly to be detected. Take that Meat Fruit, which seems to have become the restaurant's signature dish.
There is a Spanish food revolution happing in London and leading the pack is Jose Pizarro. Last year, he opened Jose Tapas, an authentic tapas and sherry bar, and followed it up with a sit down restaurant called Pizarro.