Sharing since I've been lurking around for 15 months.
DTV Soft Power Cooking (House of Taste Thai Cooking, Bangkok)
Location: Jakarta, Indonesia
Application Submitted: 19-Sept
Additional Docs Req (all pages of passport): 29-Sept
Docs Submitted: 30-Sept
Application Approved: 01-Oct
Total: 7-8 Business Days
Did NOT use an agent. Provided 3 months bank statements with over 500k THB balance.
British passport, shoe size 10.
TLDR : Answer Summary
The post shares a personal experience regarding the timeline for a Thai visa application approval without using an agent. The process took 7-8 business days, with the application submitted on September 19, additional documentation requested by September 29, and approval received on October 1. The user provided three months of bank statements demonstrating a balance of over 500,000 THB, and they hold a British passport.