I am a dialect coach (I teach people accents and how to get rid of their accents) and expert on 'British accents'. I'd be happy to help, however, wouldn't be able to transcribe the entire video. Are there any particular places in the video that you cannot understand?
If you need a transcription of the whole video, may I suggest trying the website 'Fiverr'- they offer reasonable transcription services (look for them in the search field).
If it's just a few lines you need help with, I will be more than happy to assist.
Student or Learner