This page explains that if you come to the United Kingdom to film on location you do not need a work permit.
You can come to the United Kingdom without a work permit if you a member of a film crew filming on location. You must be employed and paid overseas and coming only for location sequences. A film crew includes people who are essential to the film:
On location means the filming should be at specific locations. Filming being carried out in a studio will usually require work permits. You can obtain permission to come to the United Kingdom for up to 12 months under this category.
Although it is not mandatory, you should get entry clearance if you are a non-European Economic Area (EEA) national to enter the United Kingdom in most cases.
If you are coming to the United Kingdom to do other filming work, you will need a work permit. For information on applying for a work permit, you should see the work permit, sports and entertainers section.
Visiting the UK

This section provides visa information for people visiting the uk
Studying in the UK

This section provides visa information for people studying in the uk
Working in the UK

This sections provides visa information for people working in the uk
UK Residency

This section is for people in need visa information for UK residency
British Citizenship

This section provides visa information for people enquiring about british citizenship
Life in the UK

This section provides visa information for people who need information on life in the uk
UK Visa News

This provides quick links to our uk visa new section with breaking visa information news stories
CK and Jones

Please use these links to find about CK and Jones and to get in touch with us or find about more.
Please note CK and Jones is not currently providing any immigration advice until we become regulated by the OISC. Please browse our visa information sections in the meantime and use the contact us page to leave us a message.