Hi
@anwar01 hope you are doing well!! I guess your PPR is just round the corner as you have already completed 180+ days. I really tried to get under the fact that why London Visa Office is taking a lot more time as compared to other VOs. I came to the conclusion that LVO receives files from all over Middle Eastern Countries (most of the countries) and some Asian countries as well. It is really a tough job to do the background check at one place for so many applicants of different countries because of many reasons, including political. That is one of the major reasons I see why they take months to pass the file from their end.
Hope you get your PPR soon enough. All the best!!