How did you apply through paddington?The people in the London office in Paddington seemed to be aware of the requirements. Looks like it's a rare application procedure for Glasgow. All the best.
In the below link , I can only see 2 options- Hounslow and Gosewell
https://www.vfsvisaservice.com/IHC-UK-Appt/AppScheduling/AppWelcome.aspx?P=cCiy6xeqlBWf0MSvlUERSCDhdFkas/mFaceUVLcp3A4=