For settlement visas? Well processing times are always changing and they can take up to 12 weeks I believe
When my fiancé visa was delivered in Sheffield on March 13th, I was still waiting for a decision, and was informed (after emailing them) that it would have still been a few more WEEKS, but I purchased the priority processing on Monday, and on Tuesday it was acknowledged and moved to the front of the the queue and on Thursday morning they had made a decision and sent the email stating a decision was made, and now I will have my visa delivered, in my passport and in my hands Monday morning!(:
But like I said, it's always changing, just at the end of January/beginning of February applications were being processed in a matte of days without priority,
I read that summer months are the worst because of the influx of student visa applications and what not... So maybe it depends on the time of year? Or it could just be random? I'm not too sure because there's never really a good way to tell lol
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