Thai restaurant London? Thai culture in the UK. The UK has one of the largest Thai populations outside Thailand. Large Thai communities exist in Brighton, Sheffield, Birmingham, and Glasgow, but if you’re looking for a Thai restaurant London is where you’re sure to find, with a good share of the UK’s estimated 2000 Thai restaurants. South-east Asian restaurants – especially Thai – are found on almost every London high street. Undoubtedly, London has some of the best Thai restaurants. And Thai restaurants in London have an enduring appeal – there are at least two Thai cooking courses in London, helping bring the taste of London Thai restaurants into home kitchens.