Indian and colonial Indian are distinct enough cuisines that there are restaurants specializing in each, and even that doesn't do justice to the fact that some UK 'Indian' staples were invented in the UK.
My own personal definition of comfort food is a nice hot garlic chilli chicken and a Peshwari naan.
Old-school jokes about British food aside, Britain now has a fantastic food culture and the range of cuisine available in even quite small towns compares well with a large chunk of Europe. I think there's a willingness to experiment and innovate (both in terms of the providers and also the diners) that some cultures with very strong food traditions struggle with. I won't go on again about how disappointing my experiences in Naples were, but it opened my eyes to how fortunate I am in the UK.
Seeing the reactions, if I give my opinion on fish'n'chips you'll want to break my legs.
But done badly they're awful.