https://www.gov.uk/set-up-a-social-enterprise
You might also consider the option of becoming a CIO (Charitable Incorporated Organisation).
http://www.bis.gov.uk/assets/biscore/business-law/docs/g/11-1400-guide-legal-forms-for-social-enterprise.pdf
Be wary of adapting Model Articles too much. Companies House prefer to see model articles that have already been through the mill of being properly scrutinised. Make too many changes and it might be a long time before they are accepted.
I know what the process is in the organisation where I am Company Secretary (an Industrial and Provident Society, rather than a CIC). It's set out in the Company's Rules (which are the equivalent of Articles of Association in other forms of company). All we have to do is convene a general...
It sounds like you need to be looking at some of the model articles of association that have been specifically developed for community based organisations, rather than 'regular' companies - for example, if you are a not-for-profit group, this needs to be explicitly stated, and you need to ensure...