Royal Mail 1st Class

Next-day delivery aim for letters and parcels


  • Aims to deliver the next working day including Saturdays
  • Includes compensation cover up to £20*
  • Prices start at £1.35 for letters up to 100g
  • Same price for all UK addresses


  • Signature available with Royal Mail Signed For® 1st Class

How to use this service

You can post your 1st Class items online and book a collection from your door. We can even bring your label too!

Alternatively, you can choose to print and apply your own label or opt to drop your 1st Class items off at a Post Office branch or at a Parcel Postbox near you.

Buy postage now

If you prefer, you can take your parcel and QR code to any Post Office branch to print labels* for postage you have bought online. Or you can buy postage at a Post Office branch.

Find a branch

*Label printing at a Post Office is available for 1st Class (including Signed For), 2nd Class (including Signed For), Special Delivery Guaranteed by 1pm.  It is also available for Tracked (including with signature) but parcel only format.

Every 1st Class item is covered against loss or damage up to £20 or the value of the item, whichever is lower.
*Compensation for valuables, such as money and jewellery is not available on this service. Use Special Delivery Guaranteed if you're sending valuable items.

Letter Price Online price
Up to 100g £1.35 £1.35

Includes postcards.

All prices in the above table are exempt from VAT

Large letter Price Online price
Up to 100g £2.10 £2.10
101-250g £2.90 £2.70
251-500g £3.50 £3.30
501-750g £3.50 £3.30

All prices in the above table are exempt from VAT

Small parcel Price Online price
Up to 2kg £4.59 £3.99

All prices in the above table are exempt from VAT

Medium parcel Price Online price
Up to 2kg £6.69 £5.49
2-10kg £8.39 £7.19
10-20kg £12.49 £11.29

All prices in the above table are exempt from VAT

Further information



Max 100g |
Max L 24cm
x W 16.5cm
x D 0.5cm

e.g. Greetings cards, personal letters and postcards


Large Letter

Max 750g |
Max L 35.3cm
x W 25cm
x D 2.5cm

E.g. Magazines, CDs and DVDs


Small Parcel

Max 2kg |
Max L 45cm
x W 35cm
x D 16cm

e.g. Handbags, shoes and board games


Medium parcel

Max 20kg |
Max L 61cm
x W 46cm
x D 46cm

e.g. Heavy or bulky items



Tubes and Rolls

Max 2kg |
Max L 90cm
x W *
x D *

The length plus twice the diameter must be less than 104cm, with the greatest dimension less than 90cm

We restrict or prohibit certain items from our network. You are advised to carefully read the restrictions on items like:

  • Batteries
  • Aerosols
  • Perfumes or aftershaves
  • Nail varnish, polish or gel

Check our list of prohibited and restricted items

If you would like to fully-track your letters and parcels or ensure a guaranteed delivery time, we have more services that may suit you.

Compare mail services

Business customer?

If you're a business looking to post, compare our services and find out about our business pricing 

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