The links below will take you to some relevant bridge sites

English Bridge Union (EBU)

http://www.ebu.co.uk/

ECats

http://www.ecatsbridge.com/

Herts Bridge Association (HBA)

http://www.hertsbridge.co.uk/

Mr Bridge

http://www.mrbridge.co.uk/

Harpenden Tuesday Club

http://freespace.virgin.net/herts.bridge/HTBC/

Welwyn Garden Bridge Club

http://www.wgcbridge.org.uk/