Caroline,
Download speeds good... upload not too bad, I would expect slightly higher.

Who is your ISP?
To give you an idea of the inconsistancy of these tests, I performed 2 one afte the other which were with Speedtest.net and Thinkbroadband.
Date 04/09/08 20:21:30
Speed Down 12871.72 Kbps ( 12.6 Mbps )
Speed Up 700.02 Kbps ( 0.7 Mbps )
Port 8095
Server speedtest1.adslguide.org.uk
As you can see... wildly different....!!!!