Stockholm: Julian Assange's legal team has welcomed an announcement by Swedish prosecutors that they were willing to interview the WikiLeaks founder in Ecuador's embassy in London where he has been holed up for almost three years.

Prosectors on Friday asked Mr Assange's legal team whether the Australian would consent to being interviewed in London and have his DNA taken via a swab.

Julian Assange gestures during a press conference inside the Ecuadorian embassy in London in August 2014. Credit:AFP

The move offers a possible breakthrough in the five-year case related to accusations of alleged sex crimes.

Mr Assange's Swedish defence lawyer, Per Samuelsson, told Fairfax Media he would visit his client on the weekend to discuss the details of the proposed interrogation - however he confirmed that Mr Assange would consent to the questioning.