A First Class stamp costs £1.80 and a Second Class stamp costs 91p. These are Royal Mail’s prices from 7 April 2026 for a standard letter up to 100g.
UK stamp prices 2026
Royal Mail stamp prices for letters and large letters sent within the UK, from 7 April 2026:
| Size and weight | 1st Class | 2nd Class |
|---|---|---|
| Letter, up to 100g | £1.80 | 91p |
| Large letter, up to 100g | £3.30 | £1.55 |
| Large letter, 101g to 250g | £3.60 | £1.90 |
| Large letter, 251g to 500g | £3.60 | £2.40 |
| Large letter, 501g to 750g | £3.60 | £2.70 |
Letter or large letter?
A letter can be up to 24cm long, 16.5cm wide and 5mm thick, and weigh up to 100g. A sheet of A4 folded into a C5 or DL envelope is a letter.
Anything bigger, up to 35.3cm long, 25cm wide, 2.5cm thick and 750g, is a large letter. A4 sheets sent flat in a C4 envelope are a large letter.
Signed For prices
Signed For gets a signature when your letter is delivered. Prices from 7 April 2026:
| Size and weight | 1st Class Signed For | 2nd Class Signed For |
|---|---|---|
| Letter, up to 100g | £3.80 | £2.91 |
| Large letter, up to 100g | £5.30 | £3.55 |
| Large letter, 101g to 250g | £5.60 | £3.90 |
| Large letter, 251g to 500g | £5.60 | £4.40 |
| Large letter, 501g to 750g | £5.60 | £4.70 |
Special Delivery Guaranteed prices
Special Delivery Guaranteed by 1pm is Royal Mail’s next working day service with a guaranteed delivery time. The price for a letter up to 100g depends on how much compensation cover you choose:
| Compensation cover | Price |
|---|---|
| Up to £750 | £9.95 |
| Up to £1,000 | £12.95 |
| Up to £2,500 | £19.95 |
How long do First and Second Class take?
First Class aims to arrive the next working day. Second Class takes longer: see how long Second Class post takes.
Posting for Christmas?
Royal Mail’s last posting dates for Christmas 2026 are Friday 18 December for 2nd Class and Monday 21 December for 1st Class. See every Christmas posting date.
Skip the trip to the post office
Buying stamps and walking to the postbox is fine for one card. For anything else, and especially in December, there is an easier way. With PostRight you do not need to:
- drive to the post office and find somewhere to park
- queue at the counter in the Christmas rush
- leave your warm house in the cold and dark to catch the last collection
- own a printer, ink, envelopes or stamps
Type your letter online or upload a PDF from your sofa. We print it, put it in an envelope and post it with Royal Mail. Prices include printing and postage:
| Delivery option | Price |
|---|---|
| Standard (Second Class) | From £2.49 |
| Priority (First Class) | From £4.49 |
| Signed For | From £7.99 |
| Special Delivery | From £18.99 |
Order by 2.30pm UK time on a working day and your letter is posted the same day.
Ready to send? Write your letter online or upload a PDF. See all prices.
Sources
FAQ
How much is a First Class stamp in 2026?
A First Class stamp costs £1.80 for a letter up to 100g. This is Royal Mail’s price from 7 April 2026.
How much is a Second Class stamp?
A Second Class stamp costs 91p for a letter up to 100g, from 7 April 2026.
How much is a large letter stamp?
A large letter up to 100g costs £3.30 First Class or £1.55 Second Class. Up to 750g, it costs £3.60 First Class or £2.70 Second Class.
How much does Signed For cost?
A letter up to 100g costs £3.80 with 1st Class Signed For or £2.91 with 2nd Class Signed For.
When did stamp prices last go up?
On 7 April 2026. A First Class stamp went up 10p to £1.80 and a Second Class stamp went up 4p to 91p.