Write to Prince William and Kate Middleton
Write one joint letter to Prince William and Catherine, Princess of Wales, preview the exact PDF, and have PostalForm mail it to Kensington Palace. The destination is published by the Royal Family for correspondence to The Prince and Princess of Wales.
Edit and preview your message, then have PostalForm print and mail it to the Kensington Palace address published for The Prince and Princess of Wales.
Need more context?
The form is ready to fill now. If you want supporting instructions, mailing notes, or source links, they are below.
Important details+
PostalForm is not affiliated with the Royal Family. Do not send gifts, cash, valuables, threats, or sensitive original documents.
What you need+
- One respectful joint message
- Your sender name and return address
- No gifts, cash, valuables, threats, or sensitive originals
Form summary+
Write one joint letter to Prince William and Catherine, Princess of Wales, preview the exact PDF, and have PostalForm mail it to Kensington Palace. The destination is published by the Royal Family for correspondence to The Prince and Princess of Wales.
This page deliberately combines both recipients. Use it for appreciation, a charitable or community story, or a meaningful occasion. The editable example addresses them together and avoids claims that either recipient will personally see or answer the message.
PostalForm is independent of the Royal Household. Mail may be screened, routed, or handled by staff, and carrier delivery does not prove personal receipt.
How it works+
- Personalize the joint starter letter.
- Preview the exact PDF.
- Enter sender details while the Kensington Palace destination stays fixed.
- Pay for international printing and mailing.
Where it gets mailed+
We prefill the recipient for you.
Packet order+
- Cover sheet (auto-generated)
- Completed form PDF
Common mistakes+
- Creating separate duplicate letters when one joint message is intended.
- Using the route to seek intervention in a dispute.
- Assuming tracking proves either recipient read the letter.
FAQs+
What address does this page use?
It uses The Prince and Princess of Wales, Kensington Palace, London W8 4PX, United Kingdom, as published by the Royal Family.
Is this also the page for writing to Kate Middleton?
Yes. Catherine, Princess of Wales is widely searched as Kate Middleton; this joint workflow uses the Royal Family's current recipient style.
Can I address the letter to only one of them?
The fixed envelope recipient is The Prince and Princess of Wales, but you may make the editable letter body specifically about one recipient.
Will they personally read or answer it?
There is no guarantee. Royal Household staff determine how correspondence is handled.
Is PostalForm connected to Kensington Palace?
No. PostalForm is an independent printing and mailing service.
Sources+
Related+
Last verified+
Last The Royal Household verification: August 9, 2026