Street and regional Thai influenced food. In this type I rate Smoking Goat and Som Saa as some of the best in London.
I went to the Shoreditch outpost. Lack of tea was the only mistake. (Som Saa do a lovely cold oolong tea which is great for taking the edge off a spicy mouth)
You can find them at 64 Shoreditch High St and website here http://smokinggoatbar.com/shoreditch/