Service options provided by London Visa Centre (in the case of all the required documents are provided)

 1. Regular service: The processing time is usually 4 working days.  

2. Express service: The processing time is usually 3 working days. 
 
Note:

A.The consular officer has the right to  require the applicant to provide other proof documents, supplementary materials, or to have an interview at the Embassy. Therefore the processing time may be longer than service time which are listed above. 
B. If the applicant requests to have the passport returned by post while lodging the application at the counter, the service time will be 5-10 working days exclusive Royal Mail post time.