I must congratulate the Royal Thai Embassy in London for their expedience with my SEV application.
They received my postal application Friday 8th March and I received my visa today Tuesday 12th March at 11.30.
I have previously waited 5 working days.
TLDR : Answer Summary
The user expresses satisfaction with the Royal Thai Embassy in London's efficient handling of their SEV visa application, noting a turnaround of just four days from submission to receipt, which is faster than their previous experience of five working days.