Where to send your Csp cancellation letter
Read the addresses on this page next to the full guide to cancelling Csp.
The addresses we hold
If you are writing to Csp, this is the page with the address on it: London, EC4A 1AB, plus what to write on the envelope and how to prove it arrived.
Where the letter goesMailing address
Csp10 Furnival StreetEC4A 1AB LondonUnited KingdomThe United Kingdom address on file for Csp. Postal code EC4A 1AB.
How to address the envelope
Write the address as printed
Write out 10 Furnival Street, EC4A 1AB London, United Kingdom as shown above, including the EC4A 1AB postal code, exactly as printed.
Add the return address
Your name and postal address go top-left on the front (or the back flap). If the letter cannot be delivered it comes back to you, which is itself evidence of the attempt.
Send it by certified mail
Certified, not courier: buy it at the counter, keep the postmarked slip, and the letter to London is traceable from the article number until it is signed for.
Keep what the post office gives you
The postmarked receipt, the tracking record and your signed copy of the letter are the set that proves the request.
Your letter to Csp
What the letter to Csp says: one clear cancellation request, no reasons given, the name and email on the account and, if you have one, an account or customer number quoted, and a request for written confirmation.
[Your name] [Your street address] [City, State ZIP] [Your email address]
[Date]
Csp 10 Furnival Street EC4A 1AB London United Kingdom
To whom it may concern,
I am cancelling my account with Csp, account or member number [number], with effect from [date or "immediately"]. Please end every add-on and linked plan on this account at the same time.
Please stop all future charges to my payment method, remove my stored payment details, and send written confirmation of the cancellation and its effective date to [your email address].
Sincerely, [Signature] [Your printed name]
Keep reading
The full guide to cancelling this company, our letter template and the postal guides.
Let Postbye cancel Csp for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.