Bristol Hackspace members chat online on the Freenode IRC network in the channel #bristolhackspace. In your IRC client:

/join #bristolhackspace

Alternatively, you can join the chat here on this page. Enter a nickname in the form below, complete the Captcha and click Connect.

Note that you might not get an instant response but several people idle in the channel all the time, they will see your message eventually. So please stick around if you can.