Well, by reading this, sounds like I'm avoiding you for 2 days already:
when it's not even 24 hrs since you received the parts, according to the tracking
https://www.royalmail.com/track-your-item?trackNumber=KK238713810GB
again, it's still weekend
I'll tell you what, I'll add you on the WhatsApp group, it's a bit like Emergency Situations ONLY
There's about 60-70 people in there.