You need your 30 day visa vignette stamped to 'activate' the visa usually and this has to be presented to the Post Office. Assuming that happens at the border in the UK? Also I feel like it would be common sense to arrive the day before (at least) your work Visa starts so you can get set up etc? So...

Thank you. I have a flight to Croatia a few days later on the 11th and can prove it so I've been told as long as I can show them that at the border, I shouldn't have any issues entering the UK as I'm obviously not going there to work for 1 day. I arrive early morning on the 8th and I could enter as ...

I have an approved UK Tier 5 Youth Mobility Scheme Visa. My visa has been approved for me to work in the UK from 09 July 2019 until 09 July 2021. I have done some research online but to no avail and can’t find any contact details for the UK Immigration and approved visas. There is only form to conta...