Re: 18Mb ADSL!!
 

Using the checker I got
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BT ADSL broadband availability
You are connected to the Oldham (MROLD) telephone exchange.

Your exchange is enabled for ADSL!
There is capacity at your exchange for further ADSL connections.

Your location should be able to receive service of up to 2Mbps
If possible, check with a phone number as these are far more accurate.

You are approximately 1.93km from the exchange (straight line distance).
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Cable to house was replaced prior to the exchange being upgraded to ADSL and yet it will still only carry 512kb max. There must be many homes at a greater distance, or with just a bad line, which makes ADSL a bit of a lottery.