Some local links:

Local directory
http://www.sheffield-fm.co.uk/

City council
http://www.sheffield.gov.uk/home-page

NHS in Sheffield
http://www.sheffield.nhs.uk/

Sheffield Today online:
http://www.sheffieldtoday.net/

Yorkshire Post
http://www.yorkshirepost.co.uk/

IndyMedia
http://www.indymedia.org.uk/en/regions/sheffield/

Sheffield First
http://www.sheffieldfirst.net/

Local history
http://www.spartacus.schoolnet.co.uk/ITsheffield.htm

South Yorkshire Community Information
http://www.syci.org.uk/

Cultural Industry Quarter
http://www.syspace.co.uk/ciq/
more:
http://www.syspace.co.uk/ciq/history.htm