[bilbo64]

Thanks for the tip. I tried doing that this morning and it doesn't seem to have lost connection since. (yay!)

So now I'm torn between 2 replacement homeplug products. The cheap one on Amazon has no brand name, just "max value" and costs £68.00, or there's the devolo option which is another £25 and is the brand I've been using happily for years.

I think I may have just answered my own question...