Thank you for your reply JZAB3R and I do appreciate your comments. 

I can only go by the information given to me by the Sky phone agents, managers, their Technical Team staff and the engineers who have attended ,my home over the past 8 months.

Engineers have adjusted settings on both the broadband router and Sky Q box, but to no avail. Even the two managers I spoke to at the Stockport call centre today both advised my last option is to hope the broadband engineer attending tomorrow can successfully adjust the settings to fix the issues, or has a 4.2 router available thy can install, as both Sky and myself know that works.

If all else fails, Sky have removed all early termination fees from all my services (tv and broadband incl. landline).. They've also made a reasonable financial compensation offer, which I'm considering.

The cynical side of me is saying Sky seems to be happy to pay off and lose customers very easily, but is that in-part because all their staff in Stockport are being made redundant, so they no longer give two hoots???

Let's wait to see what tomorrow brings first 🤞