Julian Assange has instructed British authorities to stop releasing any information about him to the Australian high commission in London.

Consular officials have written to the WikiLeaks founder four times since the order was made on June 14, but have not received a response.

WikiLeaks founder Julian Assange being taken from court in May. Credit:AP

"The high commission continues to reach out to Mr Assange to offer consular assistance," Department of Foreign Affairs assistant secretary Andrew Todd told a Senate estimates hearing on Thursday.

"There has been no reply to any of those approaches."