Royal Mail says the increase reflects the rise in delivery costs, but the move angers consumer groups.

First-class stamp price to rise to £1.80 next month - The cost of a first-class stamp has now more than doubled in the past six years after eight rises.

Critics say households are paying more while the postal service continues to miss key delivery targets 📬 ...

Royal Mail is set to increase stamp prices again next month - The announcement follows Royal Mail's admission last month that it had once again missed its delivery targets ...

A first-class stamp has nearly tripled in price in the last decade ...