Tottenham have been given a further month to decide whether they want to play at Wembley Stadium next season, with the new deadline set for April 30 -- the day of the North London derby against Arsenal.
Spurs were originally given a deadline of Friday to inform Wembley National Stadium Ltd. (WNSL) and the Football Association (FA) whether they intend to use the national stadium for all home league and cup matches in 2017-18.
The national stadium would serve as the club's base while White Hart Lane is demolished and their new £800 million stadium is built.
"We have agreed an extension until 30 April 2017 with WNSL in respect of the option to play home games at Wembley Stadium next season," a Tottenham statement read.
"This is to give ourselves greater flexibility before making the final decision on the decommissioning of White Hart Lane.
"Our intention remains to spend next season at Wembley Stadium before returning to our new stadium in Tottenham for the 2018-19 season."
Spurs chairman Daniel Levy has said there is "no margin for error" on the construction schedule of the club's new 61,000-seater home, adjacent to White Hart Lane, and the club have said they will not move away for more than one season.
They are therefore seeking as much time as possible in which to make a decision, and Levy has said Plan B is to delay the move to Wembley and their new stadium by a year.
However, a source has told ESPN FC that delaying the decision into May is unfeasible for WNSL and the FA, with both organisations needing to begin planning for next season.
It would also be strange for Spurs to go into the match against Arsenal not knowing if it was the final game against their closest rivals at White Hart Lane, their home since 1899.
Delaying the move could pose problems including a potential clash with Chelsea, who would like to use the national stadium for up to three seasons from 2018-19 while Stamford Bridge is redeveloped.
Spurs could ask the Premier League for a run of away games at the start of the season before moving into their new home, just as Liverpool did at the beginning of this campaign as the Main Stand at Anfield was rebuilt.
If Tottenham confirm the move to Wembley for next season, the last match at White Hart Lane will be against Manchester United on May 13 and special events will be confined to that occasion.
Last week, Spurs received the green light to play at least 27 of next season's home matches in front of Wembley's full 90,000-capacity.
A Brent Council planning committee voted 5-1 in favour of the proposal to play an additional 22 matches at Wembley's full capacity. The club would be able to play five full-capacity games under the stadium's existing planning rules, making 27 in total.