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Royal mail postage rates
Royal Mail Postage Franking Rates 2026
This guide shows the latest Royal Mail franking postage rates for 2026, including Letter, Large Letter and Parcel prices. If your business sends regular mail, understanding the correct postage category can significantly reduce mailing costs.
We also explain Royal Mail size and weight limits and how businesses can reduce postage costs using franking machines.
UK Letter, Large Letter and Parcel prices, plus size and weight limits. Last updated: 5 March 2026
On this page
Business postage savings tips
Where businesses usually overspend
- Wrong size category: letters sent as Large Letters, or parcels that could be Large Letters
- Wrong service level: paying for speed or signature when it is not required
- Manual postage handling: time lost and errors from stamps and repeated trips to the Post Office
Quick wins
- Use a letter scale and simple size guide at packing stations
- Standardise envelope and packaging formats where possible
- For regular sending, consider a franking machine so you can print correct postage quickly and track spending
Need a quick quote for a franking machine?
Quick Summary
Tip: The biggest avoidable cost for many businesses is sending items at the wrong size category. Use the size and thickness guide below before you print postage.
Franking prices on this page should be treated as a guide. Always verify the final rate and service rules directly with Royal Mail for your specific format and destination.
Letter and Large Letter franking postage rates (UK)
Use these tables as your quick reference for common UK formats.
Letter rates
| Service | Up to 100g |
|---|---|
| First Class | £1.67 |
| Second Class | £0.84 |
| Signed For (optional) | Add £1.90 |
Replace weight bands to match the exact Royal Mail service bands you are publishing.
Large Letter rates
| Service | Up to 100g | 101g to 250g | 251g to 500g | 501g to 750g |
|---|---|---|---|---|
| First Class | £2.65 | £3.25 | £3.30 | £3.30 |
| Second Class | £1.41 | £1.71 | £2.20 | £2.50 |
| Signed For (optional) | Add £1.90 | |||
Parcel postage franking rates (UK)
These placeholders cover common parcel services. Swap to the exact services you want to target, such as Tracked, Signed, or Special Delivery.
Small Parcel
| Service | Up to 1kg | Up to 2kg |
|---|---|---|
| Second Class | £3.90 | £3.90 |
| First Class | £4.99 | £4.99 |
| Tracked / Signed options | From £1.50 | |
Medium Parcel
| Service | Up to 1kg | Up to 2kg | Up to 5kg | Up to 10kg | Up to 20kg |
|---|---|---|---|---|---|
| Second Class | £6.29 | £6.29 | £7.89 | £7.89 | £11.89 |
| First Class | £7.19 | £7.19 | £8.99 | £8.99 | £13.69 |
Royal Mail size and weight limits
This section helps you avoid miscategorising items, which is one of the most common and expensive postage mistakes.
| Format | Max length | Max width | Max thickness | Max weight |
|---|---|---|---|---|
| Letter | 240 mm | 165 mm | 5 mm | 100 g |
| Large Letter | 353 mm | 250 mm | 25 mm | 750 g |
Frequently Asked Questions
What should I look for when choosing a franking machine?
Focus on your daily mail volume, the formats you send most often, the services you use, and whether you need the machine to work alongside folding, inserting, or mailing equipment.
How often do Royal Mail postage rates change?
Royal Mail rates can change periodically, so it is important to review the latest published rates and ensure your machine or mailing process is updated accordingly.
Do franking machines work for parcels as well as letters?
Yes. Franking machines can be used for letters, Large Letters, and parcel labels depending on the machine and the mailing setup you use.
Franking machines for businesses
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