I have had broadboand since 2000 and in that time I have nothing but problems with download speeds. Prior to having access to adsl2 and the installation of a road side cabinet around the corner speeds on average were less than 100 KB/s. Even now when starting a download they may start 500-600 KB/s then drop away. I have talked with various help desks over the years but still no joy. I have attached screen shots of my modem settings, status and speedtest results.
I have a gut feeling that somehow my connection is defaulting back to adsl1 ( if at all possible ). The reason I say this is because the three modems I have can only connect to the net when set to auto. Setting to adsl, adsl2 or adsl2 + will end with no connection. The new Technicolor from extra will not work full stop, as it does not have an auto mode setting under DSL mode. Our house was built in 1992 so it is possible there is a wiring fault. The house is not fitted with a master splitter. Of course none of this makes sense to me when my line attenuation is as shown in attachments.
If someone is able to steer me in the right direction it would be appreciated.