Royal Mail have made some amendments to their terms and conditions to cover mail sent during the Olympic Games. this is due to some additional transport and travel restrictions that are in place during the games. During this time any Special Delivery items should still arrive on the next working day, however, they are not guaranteed by 1pm in certain areas for the duration of the games. Postcodes affected are E, EC, N, NW, SE, SW, W and WC. Special Delivery items for the rest of the UK remain unaffected and are still guaranteed for next day delivery by 1pm as normal.
Customers living in London may also receive their post earlier or later in the day, in order to work around transport restrictions. There may also be some delays to services in local areas as the Olympic torch relay passes through them. You can check what's happening every day on the Royal Mail website at the following link.