Postage to Ireland from the UK

How much it costs to send a letter, large letter or small parcel to Ireland, how long it takes and what you need to know about customs.

Letter£3.60
Large letterfrom £3.80
Small parcelfrom £9.80
Typical delivery3-5 days

Ireland is the most popular overseas destination from the UK, and one of the quickest - many letters arrive in 3 days. The main change since Brexit is that goods, including gifts, need a customs declaration, and the recipient may be asked to pay VAT and a handling fee before delivery.

Royal Mail International Standard to Europe
SizeWeightPrice
LetterUp to 100g£3.60
Large LetterUp to 100g£3.80
Large Letter100g-250g£6.15
Large Letter250g-500g£7.65
Large Letter500g-750g£10.25
Small ParcelUp to 250g£9.80
Small Parcel250g-500g£12.05
Small Parcel500g-750g£13.65
Small Parcel750g-1kg£14.90
Small Parcel1kg-1.25kg£15.65
Small Parcel1.25kg-1.5kg£16.40 approx.
Small Parcel1.5kg-2kg£17.85 approx.

Prices from 5 October 2026, last checked 1 October 2026. Prices marked approx. are our best estimate – confirm with the carrier before paying.

How to address post to Ireland

Irish addresses use an Eircode - a 7-character code like D02 X285. Include it on the line above IRELAND; it makes a real difference to delivery speed in rural areas.

Things to know about posting to Ireland

General tips

Frequently asked questions

How much does it cost to send a letter to Ireland?
A standard letter up to 100g costs £3.60 with Royal Mail International Standard.
How much is it to post a small parcel to Ireland?
A small parcel starts at £9.80 for up to 250g, rising to £14.90 for 1kg with Royal Mail International Standard.
How long does post to Ireland take?
Royal Mail aims to deliver International Standard post to Ireland in around 3-5 working days, but it is not guaranteed.
Do I need a customs form to send a parcel to Ireland?
Yes, if you are sending goods or gifts. You can complete the customs declaration online when you buy postage, or at the Post Office counter. Documents and letters do not need one.

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