, yes at the back on the 2nd floor. It worked pretty smoothly when I went for my extension, and I'm told it's generally not as busy or as stressful as the office near the airport.
I went at 1pm and I was there for 2 hours 45 mins in total. I'm told that if.you go at 8am / 8.30am (even before it opens), you may get everything done in 60-90 minutes.