如果有bc 住係英國幾耐先有得投票 福利個d?
As a British Citizen, you can register to vote as soon as you are in the UK.
You can access NHS (National Health Service) services as soon as you are in the UK.
For welfare benefits, you will need to wait for at lease three months.
For 'home' student fee status in UK universities, you need to live in the UK for at lease three years before your university course starts.
Once you are in the UK, you should go and apply for a National Insurance number. Please see link below for details -
https://www.gov.uk/apply-national-insurance-number
同埋英國社工有無市場 - yes, if you are willing to work with older Chinese people in the UK. You will also need to be their 'unofficial' translator - to help them understand official letters and forms.