Poor thing! Your neighbour has wiring issues. He should be getting > 8 Meg Sync.
You don't need to worry about this. You have a much shorter line then him, 32 dB attn vs. his 42.5 dB, and should get much faster speeds.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 17 Meg Untweaked 19 Meg Tweaked WBC