I’m doing a joint honours right now, with one subject being econ, so slightly different than a pure econ degree, but I didn’t do maths a level at all. In fact I did four essay subjects, including English. At my uni A level maths is a requirement for just economics, but not as a joint honours. There definitely a few unis that don’t require A Level maths, but most Russell groups do unless it’s joint honours. To be honest, I think it’s very hard without a maths A level. I’ve had modules that are just A level further maths content and I’ve definitely struggled. But it’s not impossible, you just have to put in a lot of work because you wont know stuff that most other people do. So I’d say you don’t NEED to, but it will help massively with getting into uni and just with the content on the course.