Stamp Cost 2024 Ireland Post. The current postage stamp cost in ireland for domestic mail varies depending on several factors, including the weight and size of your package or letter. The new stamp is an ‘n’ rate costing €1.40, which means it will only cover postage within ireland.

Stamp discounts continue for smes and personal customers. The cost of a stamp will go up by 5c to €1.40 from february 1, with an post citing the rising costs of fuel and energy as reasons for the increase.