How much does it cost to post a wedding invitation?
UK postage prices for a wedding invitation, compared across Royal Mail, Evri and InPost.
The cheapest way to post a wedding invitation is Royal Mail 2nd Class Letter for £0.91.
Based on a typical packed size of 17 × 12.5 × 0.5cm and weight of 45g (Royal Mail size: Letter).
Check your exact size & weightAll options for a wedding invitation
| Service | Speed | Tracked | Price |
|---|---|---|---|
| Royal Mail 2nd Class Letter Stamp + postbox | Aims for 2-3 working days | No | £0.91 |
| Royal Mail 2nd Class Large Letter Stamps + postbox | Aims for 2-3 working days | No | £1.55 |
| Royal Mail 1st Class Letter Stamp + postbox | Aims for next working day | No | £1.80 |
| Evri ParcelShop to ParcelShop Drop at a ParcelShop; recipient collects from their chosen shop | Usually 2-4 working days (recipient collects) | Yes | £2.62 |
| Evri Postable (letterbox) parcel Book online, drop at an Evri ParcelShop or locker | Usually 2-3 working days | Yes | £2.70 |
| InPost Locker to locker - Small (A) Drop in any InPost locker 24/7 - no printer needed | Usually 1-3 working days (recipient collects) | Yes | £2.99 approx. |
| Evri Small parcel Book online, drop at an Evri ParcelShop or locker | Usually 2-3 working days | Yes | £3.04 |
| Royal Mail 1st Class Large Letter Stamps + postbox | Aims for next working day | No | £3.30 |
| InPost Locker to locker - Medium (B) Drop in any InPost locker 24/7 - no printer needed | Usually 1-3 working days (recipient collects) | Yes | £3.49 approx. |
| Royal Mail Tracked 48 (bought online) Print label online, drop at Post Office, postbox or collection | Aims for 2-3 working days | Yes | £3.75 |
Prices from 5 October 2026, last checked 1 October 2026. Prices marked approx. are our best estimate – confirm with the carrier before paying.
Royal Mail or a courier?
The cheapest Royal Mail option is 2nd Class Letter at £0.91, and the cheapest courier is Evri ParcelShop to ParcelShop at £2.62 – so for a wedding invitation, Royal Mail is cheaper by £1.71. Royal Mail delivers to the door and you can hand it in at any Post Office; courier drop-off services are often cheaper but may need the recipient to collect from a shop or locker.
How to pack a wedding invitation for posting
- Assemble one complete invitation, with the RSVP card, any inserts and the envelope, before buying stamps.
- Weigh it on kitchen scales and measure the thickness at the thickest point, often a wax seal or ribbon.
- If it's over 100g or 5mm, buy Large Letter stamps for the whole batch rather than finding out from returned envelopes.
- Ask the Post Office counter to hand-stamp invitations with wax seals or embellishments, so they don't get crushed by sorting machines.
Common mistake: Square and unusually shaped envelopes still count as Letters if they're within 24 x 16.5cm, but very rigid or lumpy ones may be treated as Large Letters. Test one before you post them all.
Good to know
Include a stamped RSVP envelope if you want replies by post - it noticeably increases response rates. A 2nd Class stamp is fine for RSVPs.
What if yours is heavier?
Weight changes the price, so here is the cheapest option at the same size but heavier weights.
| Packed weight | Cheapest | Service |
|---|---|---|
| 45g | £0.91 | Royal Mail 2nd Class Letter |
| 68g | £0.91 | Royal Mail 2nd Class Letter |
| 90g | £0.91 | Royal Mail 2nd Class Letter |