How long fo royal mail 1st class beforw considered lost

According to Royal Mail's guidelines, if a 1st Class letter or parcel is not delivered within the following timeframes, it is considered lost:

• For letters:
  • If a letter is not delivered within 3 working days (Monday to Saturday) of posting, it is considered lost.
  • If a letter is not delivered within 5 working days (Monday to Saturday) of posting, it is considered lost if it was posted to a UK address.
• For parcels:
  • If a parcel is not delivered within 7 working days (Monday to Saturday) of posting, it is considered lost.
  • If a parcel is not delivered within 14 working days (Monday to Saturday) of posting, it is considered lost if it was posted to a UK address.

Please note that these timeframes are subject to change, and it's always best to check with Royal Mail's website or contact their customer service team for the most up-to-date information.

Additionally, Royal Mail has a "Missing Mail" process in place, which allows customers to report missing mail and initiate an investigation. If you suspect that your mail has been lost, you can report it to Royal Mail using their online form or by contacting their customer service team.