The rise in stamp costs has finally come into force after weeks of stockpiling by consumers.
The price of a first-class stamp has risen from 46p to 60p, meaning a mark-up of over 30%.
Royal Mail stated that the price rise was necessary to keep the six-day universal postal service. However, the National Pensioners Convention (NPC) lambasted the Royal Mail, stating that it was another blow to low-income pensioners who still communicated with friends and family via post rather than email, and they would therefore be hit disproportionately.
To see Royal Mail's price increases in more detail, click here. (BBC, Royal Mail's stamp price rises come into force)