If your visiting the Embassy, note the opening hours:-

Consular section public hours:

Submissions: Monday - Friday, 08.30 - 10.30
Includes: First time passport applications, Certificates of Non-Impediment (CNI), birth registrations and general consular assistance

Collections: Monday - Thursday, 14.30 - 15.30
Includes: Certificates of Non-Impediment (CNI) and birth registrations