Yes. If you are resident in Cambodia, you may apply directly to Bangkok. Please submit your visa application in person at the UK Visa Application Centre at:

2nd Floor Regent House,
183 Rajdamri Road,
Lumpini,
Bangkok 10330
Tel: +66 (0)2 800 8050
Email: info@ukvac-th.com
Website: www.vfs-uk-th.com

Opening hours: Monday - Friday
Submission: 0830 hrs – 1500 hrs
Collection: 1500 hrs – 1630 hrs