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How to mail a donation to Cancer Research UK

To mail a donation to Cancer Research UK, send your cheque — payable to Cancer Research UK — to Cancer Research UK, CRUK 2RP, PO Box 81666, London E15 9LJ. Cancer Research UK is the world's largest independent funder of cancer research, supporting scientists, doctors, and nurses working to prevent, diagnose, and treat cancer. Enclose your name and return address so they can mail your receipt.

Mail a donation — Cancer Research UK

Cancer Research UK
CRUK 2RP
PO Box 81666
London  E15 9LJ

Send your cheque — made payable to Cancer Research UK — to this address, with your name and return address enclosed. Use the "Send a letter" button to mail an accompanying note, a memorial tribute, or any message to Cancer Research UK; the cheque itself you enclose and post yourself.

Verified September 2026cancerresearchuk.org

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Write to Cancer Research UK

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  • We print & envelope
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Your name
Your return address

Cancer Research UKCRUK 2RPPO Box 81666London, E15 9LJ

Your letter, printed and mailed for you.

Key facts

  • Mail your cheque to: Cancer Research UK, CRUK 2RP, PO Box 81666, London E15 9LJ.
  • Make the cheque payable to Cancer Research UK — never send cash by mail.
  • UK taxpayers can add a Gift Aid declaration so the charity reclaims 25p per £1 — tick the box on the donation form.
  • Cancer Research UK is a cancer-research charity.
  • PostPal can't mail a cheque, but it prints and mails a letter to Cancer Research UK — a covering note or a memorial tribute — for you.

How to send your letter

  1. 1

    Write your cheque and a short note

    Make the cheque payable to Cancer Research UK. If Cancer Research UK sent you a donation form or reply slip, fill it in; otherwise include a note with your name, return address, and how you'd like the gift used (general, or a specific fund or tribute).

  2. 2

    Address the envelope

    First line: Cancer Research UK. Then, exactly as shown: CRUK 2RP, PO Box 81666, London E15 9LJ. Copy it exactly — a wrong freepost or postal code can delay your gift and your receipt.

  3. 3

    Add your return address for the receipt

    If you're a UK taxpayer, add a Gift Aid declaration (tick the box on the donation form) so the charity can reclaim 25p for every £1 you give, at no extra cost to you.

  4. 4

    Mail a letter to Cancer Research UK without a post-office trip

    Posting a physical cheque? Send it yourself so the payment reaches Cancer Research UK. For a covering note, a memorial dedication, or any letter to the charity, write or upload it to PostPal — we print it, add your return address, and mail it for you, no printer or stamps needed.

Common questions

What is the mailing address to donate to Cancer Research UK?

Cancer Research UK, CRUK 2RP, PO Box 81666, London E15 9LJ. Make your cheque payable to Cancer Research UK and enclose your name and return address so Cancer Research UK can send your receipt. Cancer Research UK is the world's largest independent funder of cancer research, supporting scientists, doctors, and nurses working to prevent, diagnose, and treat cancer.

Who do I make the cheque payable to for Cancer Research UK?

Make it payable to Cancer Research UK. Never send cash by mail — a cheque or money order is traceable and can be receipted, while cash can go missing and leaves you no record for tax purposes.

Will I get a receipt for a donation mailed to Cancer Research UK?

If you're a UK taxpayer, add a Gift Aid declaration (tick the box on the donation form) so the charity can reclaim 25p for every £1 you give, at no extra cost to you.

Can PostPal mail my cheque to Cancer Research UK?

PostPal prints and mails letters, not payments, so post a physical cheque yourself. What PostPal is great for is the letter that goes with a gift — a covering note, a message honouring someone, or any letter to Cancer Research UK — printed and mailed for you with no printer or post-office trip.

Sources

Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.

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