Im on bt broadband,im not to far from a switching station. but im not happy with my speed, poor quality video

Ive empty my temp files, cookes.when downloading its says 20 kbps. rang bt. but still not happy, what should i be getting.ive done a speed test.448 kbp up-stream. 3008 down-stream. actual througthout 1262 kbps.
Answer
Im only in the basic package and mine is quick even in busy times.try getting rid of all unwanted programs as it is probably your computer that is slowing it down.