Where was black mirror USS Callister filmed?

Related questions

1. Are black mirror episodes connected?
2. How much is Tobey Maguire worth?
3. What happens to Gavin on house of cards?
4. Where is Black Mirror crocodile set?
5. How much is Kirsten Dunst worth?
6. What black mirror means?
7. Is black mirror making a Season 5?
8. How much was Aaron Paul paid for breaking bad?
9. Does Mary Jane die in Spider Man 3?
10. Where was black mirror Hang the DJ filmed?

Tags

1. #episode
2. #roughly
3. #callister
4. #scenes
5. #canary
6. #three
7. #islands
8. #interplanetary
9. #filming
10. #apartment
11. #studios
12. #office
13. #offices
14. #twickenham
15. #within
16. #mostly