Mix the stamps you already have (1st/2nd, Large, top‑ups) to meet or slightly exceed today’s Royal Mail prices. Letters, Large Letters, Small/Medium Parcels, and International Standard. Signed For supported.
Enter your item’s size and weight, pick 1st/2nd (and Signed For if needed), then tell us which stamps you have. We suggest the best stamp combinations that meet today’s price.
Enter your item and the stamps you have. We’ll suggest combinations that meet or slightly exceed today’s postage price. Supports UK Letters/Large Letters, Small/Medium Parcels (Standard or Signed For), and International Standard Letters/Large Letters.
Size limits per Royal Mail. Parcels are classified by max length × width × depth after rotating the item. Tracked 24/48 require barcoded labels (not payable with stamps). International goods usually need a customs form.
NVIs count at today’s rates. Top up with make-up values as needed. Old non-barcoded regular stamps aren’t valid.
Notes
Yes. Non‑value indicator (NVI) stamps count at today’s value; top up with make‑up stamps as needed.
Up to 353×250×25 mm and 750 g.
No. Use barcoded stamps (or swap old ones via Royal Mail’s swap‑out scheme).
Yes, Signed For items must be handed over at a Post Office counter.
Tracked services require a barcoded label (bought online or at the counter), not stamps.