Royal Mail Signed For® 1st Class letters

Post office counter

Sending important invitations and want to know to know they have been delivered? Royal Mail Signed For® 1st Class gives you confirmation of delivery with signature

Key Benefits

  • Prices from just £1.70
  • Check your letter has been delivered online
  • Aim to deliver your item the next working day

You can also benefit from:

  • Signature on delivery
  • Compensation up to £50 (excluding cash and jewellery)
  • Free certificate of posting available - just ask at the counter

Size and Weight limits

Letter 100g 240mm 165mm 5mm  
Large Letter 750g 353mm 250mm 25mm  

Find out more about sending a parcel using Royal Mail Signed For® 1st Class.


  Weight Price
Letter Up to 100g £1.70
Large Letter 0-100g £2.00
101-250g £2.30
251-500g £2.70
501-750g £3.40

Have an urgent letter or important documents to send?

Take a look at Royal Mail Special Delivery Guaranteed™, perfect for urgent, valuable or important letters or large letters.

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Can we help?

For general product enquiries call Royal Mail:

0345Calls to 0345 will cost no more than calling a standard geographic number starting with 01 or 02 from your fixed line or mobile and may be included in your call package dependent on your service provider 774 0740

8am-6pm, Mon-Fri

8am-1pm, Sat

Closed Sun and bank holidays

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