English is a West Germanic language brought in England by the virtue of migration by German who spoke Anglo-Frisian dialects. The Old English was a varied group of dialects and Late West Saxon was one such dialect which overpowered the other dialects. The British English spoken in the United Kingdom is a very wide term and it separates the kind of English spoken in Britain from other English speaking countries.
There was a trivial disparity in the written English in Britain. However, there was a meaningful degree of evenness in the written English in Britain. The forms of spoken English differed in various parts of the country. The accent portrays the basic features like pronunciation.
The accents of people differed amongst the countries which together formed the United Kingdom as also there was a difference of accent within these countries.
The Received Pronunciation accent was regarded as the Queens or Kings English. This accent was restricted only to the upper class in England. The Received Pronunciation was a combination of the Midland and Southern dialects that were spoken in London.
In the Victorian England like today, the regional accent of English spoken by the people changes from one area to another. The local accents were a part of the local dialects of the people belonging to a particular region and thus there was a variation in the accents. However, certain regional accents were easy to identify with the help of some characteristics. In essence, despite English being the first language, there was a lot of variation in the regional accents of people in the Victorian era.
More information about English language in Victorian era
You can also see YouTube videos about Victorian English.