A service your customers will value
Need your mail delivered next day? Keeping an eye on costs? 1st Class mail is fast and efficient. It’s a service millions of people rely on every day. It gives you:
- next working day delivery, including Saturdays
- a range of flexible posting options
- same price anywhere in the UK.
Online Business Account
The quick and easy way to place orders, manage your account, pay invoices and produce reports.
Print postage online
Buy and print postage with our business postage solutions. Online Postage is perfect for individual items while SmartStamp® is great for printing multiple mail outs and allows you to personalise mail for a professional look.
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Choose your options
1st Class
- Aims to deliver the next working day including Saturdays
- Great value option to get your post delivered safely and on time
- Prices start at 60p for letters up to 100g
- Send parcels up to 20kg in weight
- Includes compensation cover up to £20
Sending a Letter, a Large Letter, a Small Parcel or a Medium Parcel?
Prices for 1st Class are the same no matter where you're sending in the UK. The amount you pay depends on the size and weight of the item you're sending. Each format has its own size and weight limits.
Work out which format your item falls into Format Maximum weight Maximum length Maximum width Maximum thickness 
Letter100g 240mm 165mm 5mm 
Large Letter750g 353mm 250mm 25mm 
Small Parcel2kg 45cm 35cm 8cm 
Medium Parcel20kg 61cm 46cm 46cm
Rolled and cylinder shaped parcelsFor rolled and cylinder shaped items, the length of the item plus twice the diameter must not exceed 104cm, with the greatest dimension being no more than 90cm.
Rolled and cylinder shaped parcels that measure up to 45cm in length and 8cm in diameter and do not exceed 2kg can be sent as small parcels.
Exceptions apply
Parcels that do not exceed 16cm in length and 16cm in width and 16cm in depth can be sent as small parcels, provided the weight does not exceed 2kg. Visit our shop to buy boxes this size.
Parcels greater in size than 61cm x 46cm x 46cm or heavier than 20kg can be sent using Parcelforce services which include tracking and guaranteed service as standard.
What if I want a confirmed delivery?
Royal Mail Signed For™ 1st Class
When you need the extra peace of mind you get from proof of delivery with a signature, choose our Royal Mail Signed For™ 1st Class service.
Find out more about our Royal Mail Signed For™ 1st Class.
What if I want a guaranteed next day delivery?
Royal Mail Special Delivery Guaranteed by 9am and 1pm™
If you need an item to arrive next day guaranteed, or are sending money or something valuable, Special Delivery™ gives you added peace of mind.Find out more about Special Delivery Guaranteed by 9am or 1pm™.
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Prices
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Stamps / Online Postage prices
Our 1st Class prices for stamps and Online Postage are below:
Small Parcels Weight Price 0-1kg £3.00 1-2kg £6.85 Medium Parcels Weight Price 0-1kg £5.65 1-2kg £8.90 2-5kg £15.10 5-10kg £21.25 10-20kg £32.40 Letter Weight PriceIncludes postcards.
Up to 100g 60p Large letter Weight PriceUp to 100g 90p 101-250g £1.20 251-500g £1.60 501-750g £2.30 -
Franking prices
Small Parcels Weight Prices 0-1kg £2.65 1-2kg £5.85 Medium Parcels Weight Prices 0-1kg £4.80 1-2kg £7.50 2-5kg £15.10 5-10kg £21.25 10-20kg £32.40 Letter Weight Price
Up to 100g 47p Large Letter Weight Price
Up to 100g 71p 101-250g £1.00 251-500g £1.33 501-750g £1.87 -
Account prices
Letter Weight PriceUp to 100g 47p Large letter Weight Price
Up to 100g 71p 101-250g £1.00 251-500g £1.33 501-750g £1.87 Small Parcels Weight Price 0-1kg £2.65 1-2kg £5.85 Medium Parcels Weight Price 0-1kg £4.80 1-2kg £7.50 2-5kg £15.10 5-10kg £21.25 10-20kg £32.40 Prices are exempt from VAT
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Frequently asked questions
- Shoud I use a credit account with PPI (Printed Postage Impression)?
- Is compensation available for 1st Class mail?
- Should I consider a franking machine?
- Can I use Customer Collection?
- Where can I post my 1st Class mail?
- What are the delivery times for 1st Class mail?
- Is my item guaranteed to arrive next day?
Search help for more answers...
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Shoud I use a credit account with PPI (Printed Postage Impression)?
If you spend more than £5,000 a year on Royal Mail services, you qualify for a Royal Mail credit account. This is an ideal way to pay for many of our services. If you don’t have space for a franking machine, you can pre-print the envelopes or labels, and place your order via our Online Business Account (OBA) system. As an account customer, you also have the added benefit of our credit terms.
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Is compensation available for 1st Class mail?
We don’t offer compensation for loss or damage. Items of value should be sent using Special Delivery Guaranteed™ which is a tracked and secure service.
Find out more about compensation for loss, damage or delay for all our services.
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Should I consider a franking machine?
Franking offers small and Medium sized businesses discounts on postage. With access to a wide variety of products, Franking gives you a one-stop shop that’s convenient and will save you time.
Find out more about Franking
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Can I use Customer Collection?
If you open an account with us, we’ll visit your premises to collect your mail. Annual weekday collection service costs just £775 (plus VAT), but if you spend more than £15,000 a year with us per site, we'll provide you with the service for free.
Learn more about Customer Collection
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Where can I post my 1st Class mail?
At any Post Office™ or Postbox®. If you want to save time and have your mail collected at your premises, find out more about Business Collections.
Remember to ask for your free certificate of posting, when you send your item at any Post Office™.
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What are the delivery times for 1st Class mail?
We aim to deliver your 1st Class Mail by the next working day.
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Is my item guaranteed to arrive next day?
No, it’s not guaranteed. If you’d like the assurance of a guaranteed service, find out more about Special Delivery Guaranteed™
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Available now
from our online shop
If your item fits in the box
and weighs under 2kg
post it at
the Small Parcel rate.
