a) there's a restriction on the line (though there's no reason why there might)
Could be....
(a) the usual old story of rate limiting, packet shaping, contention etc.
(b) rate-adaptive magic in the exchange gone a little haywire
(c) your router is going dodgy
b) there's some type of local external fault, but it's strange that one's upload speed is as before, somewhat slow, yet the download is now a constant 10% of what it once was. Any ideas ?
Water in ducts ?
BT monkey tugged on your wires whilst trying to fix someone elses ?
My suggestion :
- Try a different router
- Try a new filter
- Get Sky to re-test when you've done both
- Find an excuse to moan to BT Retail's Escalation Team (who give themselves the posh name of "chairman's office") ... convince them to send out a BT "engineer" under their own initiative and thus minimise the risk of you being exposed to £120.
