Promptly and conscientiously
Is 15 day visa exemption still available to UK citizens in February 2019?
Please be kindly informed that the policy on 15-day Vietnam visa exemption for UK citizens is extended until June 2021.
But, please remember that, not all UK citizens are eligible for 15-day Vietnam visa exemption. To get it, you, as a UK passport holder should have never been in Vietnam or in case you have been in Vietnam, your arrival date should be at least 30 days following exit date of your last stay in Vietnam with visa exemption.
In case those criteria are not met, a Vietnam visa is required.
You can read full details here: Vietnam visa requirement for UK citizens as this answer is just a summary.
Should you need any further information about Vietnam visa or travel, please feel free to let us know.