If you don`t live in New Malden, Surrey (Zone 4 - train from Waterloo) you are unlikely to run into Korean cuisine. New Malden has a substantial Korean population.
Here`s something you probably know but don`t always act upon. Meat, and even more so, fish, is expensive. Vegetarian eating should be a whole load cheaper.
Few, if any, London restaurants are best approached by water. And probably none has its own pier, with a boat carrying the name of the hotel that houses it.
Berber & Q is in fast rising Haggerston, not that far from Liverpool Street. The restaurant is situated under railway arches and is surrounded by other recently opened bars and restaurants.
I've lived in London all my life. And I've never really thought that Northumberland Avenue was anything other than the road that connects Trafalgar Square to the Embankment.