Yes; enter your number/address into this checker:
https://www.btwholesale.com/includes/adsl/main.html
That will tell you all of the broadband technologies which BT Wholesale have in place at/around your address as far as I know.
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Downstream Upstream
Connection Speed: 22494 kbps 1211 kbps
Line Attenuation: 16.0 db 9.7 db
Noise Margin: 2.6 db 6.7 db
Telewest (2004-2006): 256Kbps -> 512Kbps
BT (2006 - Present): 8128/448Kbps on 20CN Alcatel DSLAM -> 22494/1211Kbps on 21CN Huawei MSAN