As it it classed as the EU (as it is classed as a spanish island) you can stay for up to 90 days without a visa.
Please note:
To work in Tenerife you will need a working visa
To qualify for the 90 days you will need to have a EU passport and to have being living in London for at least 2 years
Yes, Colombians need a visa to travel to the UK.
Yes, UK citizens need a visa to travel to Dubai.
Yes, Americans need a visa to travel to the UK for tourism or business purposes.
I have UK travel document (blue) do I need a visa to visit canada?
Yes, Australians need a visa to travel to the UK for tourism or short-term visits.
Yes, US citizens need a visa to travel to the UK for tourism or business purposes.
Yes, green card holders need a visa to travel to the UK.
I have UK travel document do I need visa to visit kurdistan?
No
Yes, you need a Visa if you are a Philipino to get into the UK.
No, Israel is of visa free travel for British nationals.
No