“The combination of greatly increased uptake of online Christmas shopping, in no small part driven by the recent lockdown, and the ongoing COVID restrictions mean that all delivery companies are experiencing exceptionally high volumes this year.
“Every single parcel, letter and card is important to us.
“Despite our best efforts and significant investment in extra resource, some customers may experience slightly longer delivery timescales than our usual service standards.
“This is due to the exceptionally high volumes we are seeing, exacerbated by the coronavirus-related measures we have put in place in local mail centres and delivery offices.