Well there is this: https://www.gov.uk/guidance/ownership-of-copyright-works https://www.gov.uk/guidance/ownership-of-copyright-works I've generally interprete

Well there is this: https://www.gov.uk/guidance/ownership-of-copyright-works https://www.gov.uk/guidance/ownership-of-copyright-works I've generally interpreted it as meaning acts performed in fulfilling your role/position as an employee. So if you're essentially doing free work for your employer on your own time, at home, using your equipment, it belongs to them. Stuff done which has nothing to do with your employment, created on your own time, with your own resources, belongs to you. Otherwise every poem, sketch, photo, or even a letter you wrote, etc that you create would be their copyright, which is patently a nonsense unless your contract explicitly states that. It would state such if "course" it referred to the time you were their employee. The difficulty occurs where there could be a conflict of interest between what you create privately, using your own resources, and what the company employees you to do. So don't do that. However that may be difficult for companies which have their fingers in a lot of pies.