✓ Royal Mail Authorised Inspector since 2008 | Trading since 2005
The Royal Mail Special Delivery Guaranteed by 1pm with Saturday Guarantee prices for 2026 are below, effective 7 April 2026. It is a guaranteed timed service for valuable or important items that must arrive by 1pm the next day, including Saturdays.
Royal Mail Special Delivery Guaranteed by 1pm with Saturday Guarantee prices 2026
| Royal Mail Special Delivery Guaranteed by 1pm® with Saturday Guarantee* 2026 – Mailmark Franking Prices | |||
|---|---|---|---|
| Compensation for loss or damage | |||
| Weight up to and including | £750 | £1,000 | £2,500 |
| 100g | £14.94 | £18.54 | £26.94 |
| 500g | £16.14 | £19.74 | £28.14 |
| 1kg | £17.34 | £20.94 | £29.34 |
| 2kg | £22.14 | £25.74 | £34.14 |
| 10kg | £30.54 | £34.14 | £42.54 |
Franking with a Mailmark machine remains cheaper than stamps on many Royal Mail services. See how much you could save, view our franking machines, or call us on 01543 572 776. Mailcoms is a Royal Mail Authorised Independent Inspector & Maintainer of postal franking machines, serving over 40,000 customers across the UK.
Frequently asked questions
When do the Royal Mail 2026 postage prices take effect?
They take effect on 7 April 2026.
What does the Saturday Guarantee add?
It extends the guaranteed 1pm next-day delivery to include Saturdays.
Is this service suitable for valuable items?
Yes – Special Delivery Guaranteed includes compensation cover for valuable or important items; see the prices above.