Have a look at this:
Would it be my hardware or its configuration or something else that gives me an up speed of 8.7Mbps? I would have expected to see 14Mbps up.
Using a Vigor 2820Vn router connected to a Open Reach modem. The test was carried out from a desktop hardwired to the router.
The BT availability says:
FTTC Range A (Clean) 59.6 39.3 16.1 10 -- 01-Apr-15
FTTC Range B (Impacted) 50.8 28.2 15.9 7
FTTC is currently not available on this cabinet due to following reasons:- Sorry your cabinet is temporarily unavailable, capacity will be restored as soon as possible.