These are some places we would like to recommend:

Need orientation or support: http://english.welcome.hamburg.de/

Watch rugby on TV: http://www.fleetenkieker.com/

Interested in a night out: http://www.reeperbahn-hamburg.com/

Great bars and fancy shopping: http://www.sternschanze.net/

Reach out to the British community: http://www.britishflair.de/

Get in touch with other expats: http://www.expat-blog.com/en/nationalities/british/in/europe/germany/hamburg/

Stag night: http://www.hamburgstagweekends.com/

Tourist sights: http://www.hamburg-tourism.de/en/