RIght
The BT man come today he put the modem in and set my router up and put the code in my laptop for the wifi. He tested it and the net was working he did a test while he was putting the modem in and said i would get about 79 down 19 up.
So he left i did a speed test on this site and the results are 4.47 down 5.41.
So i called talktalk and was told that i have to wait 24 hours before it gos live