If they're in one of these postal areas, there'll be a delay.
Even Ebay are on top of this one (Royal Mail staff are getting hit with covid)
In response to limited Royal Mail deliveries to some areas, we’ve extended our buyer-facing delivery estimates for the following postcodes:
Ashford (TN23-TN27)
Barnsley (S70, S71, S72, S75)
Basildon (SS13, SS16)
Bow (E3)
Bury St. Edmunds (IP28-IP33)
Chelmsford (CM1-CM3)
Christchurch (BH23)
Daventry (NN11)
Debden (IG7-IG10)
Enfield (EN1-EN3)
Grays (RM16-RM20)
Hampton (TW12)
Highbury (N5)
Hornsey (N8)
Horsham (RH12, RH13)
Ilford (IG1-IG6)
Leeds City (LS1-LS5)
Lewisham (SE13)
Magherafelt (BT45,BT46)
Margate (CT7-CT9)
Rugeley (WS15)
Somerton (TA11)
South Ockendon (RM15)
South Woodford (E18)
Upper Holloway (N7)
Wandsworth (SW18)
Wellington (TA21)
Widnes (WA8)