The Royal Mail peak surcharge, and every other date that changes what your parcels cost

Published 19 September 2026, updated 14 October 2026 · 7 min read · Angler Fulfilment

Share on X LinkedIn Facebook WhatsApp

Most sellers meet peak season as a single event: it gets busy in November, it calms down in January. The cost side does not work like that. Between now and the second week of January, four separate charges change, on four different dates, and only one of them is announced loudly enough that you are likely to notice.

None of this is a forecast. Every date below is already set. What follows is the calendar, what each line does to a real monthly parcel count, and the five things worth doing before the first of them lands.

The calendar

The 5 October rise is the one with real detail behind it, and we have written it up separately: what changes on 5 October, for stamps, accounts and franking. The short form is that account customers were widely reported as unaffected, and they are not.

And one change that is already in force, which is why it is not in the table. On 1 July 2026 the EU withdrew the customs duty exemption that applied to consignments under €150, and a flat duty of €3 now applies to each item line in the parcel, where goods sharing one tariff classification count as a single line. If you ship into the EU, that is already inside your Q4 costs rather than coming. It is duty rather than VAT, so IOSS is untouched and still collects the VAT at your checkout, a distinction almost every write-up of this gets wrong. What it means route by route is on our international fulfilment page, and the duty, IOSS and the handling fee are set out side by side in shipping to the EU from a UK warehouse.

What it adds up to on a real month

Take a seller sending 500 parcels a month, all Royal Mail 48, all under 2kg. The October rise alone is 15p a parcel on that service.

Then add the peak surcharge from 2 November, which is a second charge sitting on top of those prices for ten weeks. That is the figure most sellers cannot put a number to, and there is a reason for it.

The number we got wrong, and the one Royal Mail actually publishes

An earlier version of this article said Royal Mail does not publish a peak surcharge and that the rate sits in your contract. That was wrong. Royal Mail publishes the rates in full, per item, by product, on its own surcharges page. They are easy to miss because they sit inside a collapsed section, but they are public.

For 2 November 2026 to 10 January 2027 they run from 10p on Royal Mail 48 large letters to 22p on Royal Mail 24 and Tracked 24 parcels, 30p on the timed Special Delivery services, and £5.00 on Express48 Large. The full table, with the fuel and green surcharges that are larger than any of it, is in every surcharge on a Royal Mail business parcel.

What moved the other way this year

It is worth saying plainly, because it cuts against the direction of everything above: Amazon's fees came down in 2026, and if you sell items under £20 the change was not small.

• FBA fulfilment fees for parcels in the UK fell by an average of £0.26 from 15 December 2025.
• Clothing and accessories referral fees fell from 8% to 5% for items at and up to £15, and from 15% to 10% for items between £15 and £20, on the same date.
• Low-price FBA rates were extended to products priced at or below £20 in most categories from 5 January 2026, cutting fees by an average of £0.40 a unit.

Read those against the postage lines above and the point becomes practical rather than academic. For a sub-£20 product, the gap between sending it yourself and letting Amazon fulfil it moved in Amazon's favour this year, while the cost of sending it yourself moved up. That does not mean FBA wins: storage through Q4, removals, returns handling and prep requirements all sit on the other side of the ledger, and they are exactly the costs that bite in January. Since then Amazon has added a festive peak fulfilment fee from 15 October and moved storage into its October to December band, so we have set out what Amazon's rate card actually charges to store UK stock with the figures tier by tier. It does mean the comparison you ran last year is out of date, and Q4 is the wrong time to discover that.

Five things worth doing in the next two weeks

• Get your peak surcharge rate in writing from your carrier account manager, for domestic and international separately.
• Re-run your postage cost per order at October prices, not at the prices in your spreadsheet from the summer.
• Re-check FBA against self-fulfilment for anything under £20, because the fee side changed in January and most sellers have not re-run it since.
• Decide your last order dates now and write them on the storefront, working backwards from the carrier's posting date, your own dispatch cut-off and one working day of margin.
• Check what your prices assume. If free delivery over a threshold made sense at summer postage, it may not survive both the October rise and a surcharge on top.

The peak plan itself, month by month, is a longer subject and we have written that up too: peak season starts in September, not November.

Where we sit on all of this

We put our own peak surcharge on the rate card rather than in the contract, at 20p per order in November and December, because the alternative is what we are describing above: a charge you cannot plan against until it appears on an invoice. Our full rate card is published, including that line.

The postage rises themselves we cannot make disappear for anyone. What a fulfilment partner can do is buy at account rates, keep the cut-off steady through December, and tell you what a peak order costs before the season rather than after it.

Q4 2026 costs, answered

Does the 5 October 2026 Royal Mail increase affect account prices, or only stamps?

Both. Stamp prices for parcels rise, and Royal Mail 24 and Royal Mail 48 account prices rise on the same day, by 15p on a parcel up to 2kg on the 48 hour service and 30p on the 24 hour service. Mailmark franking prices are the only ones that do not move.

When exactly does the Royal Mail peak surcharge run in 2026?

From 2 November 2026 to 10 January 2027 inclusive, for business account customers, covering domestic parcels and international products. It is separate from the 5 October price rise and it sits on top of it.

Does Angler charge a peak surcharge?

Yes, 20p per order in November and December, and it is on the published rate card rather than in the small print. It is shown on every quote, so the number agreed in September is the number that applies in December.

What are the Christmas 2026 last posting dates?

Royal Mail published them on 13 October 2026: Friday 18 December for 2nd Class and Royal Mail 48, Saturday 19 December for Tracked 48, Monday 21 December for 1st Class and Royal Mail 24, and Wednesday 23 December for Special Delivery Guaranteed. Work backwards from the one you use: step back to your own dispatch cut-off and subtract one working day of margin. That gives the last order date to put on your storefront.