Freedom of Information Act 2000 (opens in new window)
The FOI Act 2000 gives the public a general right of access to information held by, or on behalf of, public authorities (including local government) promoting a culture of openness and accountability across the public sector.

Information Commissioner's website on FOI (opens in new window)
includes overview of the 2000 Act; practical guidance on legal obligations; guidance on exemptions and Publication Schemes.