Try to cut it short but I sent an item back to John Lewis with Collect Plus proof of postage showing it had arrived at John Lewis 14 days earlier. Collect Plus confirmed the parcel had been signed for by John Lewis in a batch of 321.
After contacting JS customer service several times they kept saying not received and no refund, no replies. 21 days later after taking it further I was told "Although you have proof of return your return receipt doesn't detail what you sent, only that you posted something to us"
They offered be a refund as a favour but I am more angry at the response. I sent proof of the return and tracking and they are trying to say I could have sent them anything What do they think I was posting to them an empty package.
So basically if you send an item back and they can't find it in the warehouse you are not eligible for a refund because posting something to them is not enough proof!