LSE vs UCLA as an international

Got into UCLA for Econ and LSE for Philosophy and Economics, need help deciding where to go. Don't have much time, because UCLA's deposit deadline is May 1st and I got my LSE offer today -_-

So far, I've come up with the pros and cons:

UCLA:
Pros: better campus and weather, best food according to US News, more flexibility on changing majors (can double major, minor), more extracurricular fun stuff/more of a community feel I think + being in LA, guaranteed four years housing
Cons: don't know anyone in California, probably less reputable than LSE, four years instead of three, probably as expensive as London, not sure about immigration in USA vs UK

LSE:
Pros: Well reputed for Econ-related courses, three years, UK immigration now lets you spend two years after graduating finding a job, being in London is good for networking, have friends in London and close family a train ride away
Cons: lack of flexibility/can't change/double major, very expensive living costs, a lack of "community feel" I'm told, worse weather, heard dorms are not very good

What do you guys think?

Firstly, congrats on the two outstanding offers. I went to LSE and am doing my master's there so I have bias, but may be able to answer some questions on it as a result. I think the main question is where do you want to work and live after graduation? US means go to UCLA, UK means go to LSE, as simple as that. If you don't know where you want to live/work after uni then it becomes a bit more difficult

Thanks. Yes, I am a bit unsure about US vs UK, because as an international, immigration and finding a job is a big factor. The UK gives you two years after graduating to find a job now, but US salaries are much higher. + If I do go to LSE and still want to go to the US, I could do a master's in America and then get a job there; has anyone you know in LSE done this?

I'm also worried about the atmosphere at LSE: I'm told there is pretty much no "community" feeling and students are generally overworked: is this true?