Thanks for those links MM, you're a star!
Sky says I should expect 5.4 to 11.5mbps
Whilst Samknows gave me the following:
ADSL is available in your area
Your exchange is also enabled for ADSL Max services
Your exchange is also enabled for ADSL2+ services
According to BT Wholesale, houses at your postcode should be able to support
up to 2Mbps via ADSL
5Mbps or greater ADSL connection via ADSL Max
6Mbps or greater via ADSL2+
What type of ADSL connection does Sky BB utilise?