Cancellation service N°1 in United Kingdom
Contract number:
To the attention of:
Cancellation Department – Octopus Energy
164-182 Oxford Street
W1D 1NN London
Subject: Contract Cancellation – Certified Email Notification
Dear Sir or Madam,
I hereby notify you of my decision to terminate contract number relating to the Octopus Energy service. This notification constitutes a firm, clear and unequivocal intention to cancel the contract, effective at the earliest possible date or in accordance with the applicable contractual notice period.
I kindly request that you take all necessary measures to:
– cease all billing from the effective date of cancellation;
– confirm in writing the proper receipt of this request;
– and, where applicable, send me the final statement or balance confirmation.
This cancellation is sent to you by certified email. The sending, timestamping and integrity of the content are established, making it equivalent proof meeting the requirements of electronic evidence. You therefore have all the necessary elements to process this cancellation properly, in accordance with the applicable principles regarding written notification and contractual freedom.
In accordance with the Consumer Rights Act 2015 and data protection regulations, I also request that you:
– delete all my personal data not necessary for your legal or accounting obligations;
– close any associated personal account;
– and confirm to me the effective deletion of data in accordance with applicable rights regarding privacy protection.
I retain a complete copy of this notification as well as proof of sending.
Yours sincerely,
16/01/2026
Ending your Octopus Energy membership made easy
About Octopus Energy
Octopus Energy is one of the UK's fastest-growing energy suppliers, founded in 2015 and now serving over six million customers across the country. What started as a challenger brand has become a major player in the British energy market, known for its technology-driven approach and customer-first philosophy.
The company supplies both gas and electricity to homes and businesses throughout England, Scotland, and Wales. Unlike traditional energy suppliers, Octopus Energy built its business around proprietary technology called Kraken, which handles everything from billing to customer service. This tech-focused approach has earned them numerous awards, including Which? Recommended Provider status for several consecutive years.
Most importantly, Octopus Energy operates as a licensed energy supplier regulated by Ofgem, which means they must follow strict rules about how they treat customers, including clear procedures for switching suppliers or cancelling your account. Keep in mind that \