How to get Vietnam visa in UK?

The Vietnam Embassy in London is the only place in the UK that can issue a visa for Vietnam. But you can apply by post, using a form downloaded from the embassy website at the link below. 

You'll need to send: 
* your passport, which needs to be valid for at least a month after the visa will expire. 
* a passport photo of yourself taken in the last year
* the visa fee
* a self-addressed envelope (not stamped) for returning your documents 

Your documents will be returned from the embassy by Royal Mail special delivery. This is also the postal service you should use to send them -- it gives you not just a tracking number but insurance for your precious passport. 

They say it takes five days to process (plus posting times on either side) but even if you have more time than that, it makes sense to get the visa organised as soon as you can. There is an "express" option, which takes two days, but that costs extra. 
As for fees: they say that as they vary so much, you need to email the embassy's Consular department with your particular request: 
email  : sales@tuntravel.com 


Here's the link to the Vietnam embassy visa info page: 

VIETNAM VISA

Vietnam Visa For UK Citizens

A Bristish - UK passport holders are required to apply for a visa to enter Vietnam. Tourist visa are good for 30 days and may be extended after your arrival in Vietnam. You can do it your self at Vietnam embassy in London or apply for a visa on arrival.

Apply online

Visa on arrival is recognized as a legitimate way to obtain your Vietnam visa by the British Embassy in Hanoi. A number of travel agencies are handling the process, which is quite simple:

-    Apply online for the Vietnam visa
-    Collect the approval letter by email and prepare 2 passport sized photos
-    Arrive at a Vietnam Airport and collect the visa stamp

Required documents:
You are required to submit your passport and 2 passport sized photos when you arrive at a Vietnam Airport. No documents are required at the time of applying online.

IF YOU WOULD LIKE TO EXTEND OR RENEW YOUR VISA, PLEASE FOLLOW THESE STEPS:

1. Please send us the scan of your passport and the page containing your current Vietnam visa to our email sales@tuntravel.com then we will process it with Vietnam Immigration Department to check your information before extending or renewing your visa.
2. We will inform you whether your Vietnam visa can be extended or renewed as visa extension varies for each case
3. After that you need to bring these following documents to our office:
   Your original passport 
   Temporary residence paper approved by the hotel where you live at or approved by local authorities where you live in or wards Police Unit 
   If you are Vietnamese overseas or your current visa is separate visa, you need to prepare 2 passport sized-photos 4-6 cm with a straight forward face.
   Note: if you are in Ho Chi Minh City and Hanoi City, we can come in person to pick up your passport at your address on your request.
4. Wait some days to get your passport back together with your new stamped visa.

Application Forms:

Vietnam visa UK   Visa-on-arrival application form for UK citizens

or see more Vietnam embassy visa application form