Premier League's 10-week summer transfer window to run from July 27 to October 5

Domestic-only window for EFL clubs from October 5 to 16

Chelsea have signed Timo Werner and Hakim Ziyech for next season. Getty

Premier League clubs have agreed a 10-week summer transfer window which opens on July 27.

The window will open the day after the 2019/20 season finishes and end on October 5 – the date Uefa had recommended for the closure of registration periods across Europe – subject to the approval of football's world governing body Fifa.

The Premier League said that following consultation with the English Football League (EFL), a domestic-only window will also be added from October 5 and close on October 16.

Transfers between Premier League clubs will not be able to occur during this period, but top-flight sides can trade with EFL clubs and loan or sign players permanently.

The EFL has confirmed its summer transfer window will open on the same day as the Premier League's but clubs will have an extra two weeks for domestic-only business.

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From Ronaldo to Coutinho, the British transfer records

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A statement from the EFL read: "Subject to formal ratification, the transfer window will open fully on Monday 27 July, although any player registered before the completion of the 2019/20 season will not be eligible to play for their new club until season 2020/21 commences. This is applicable to clubs involved in the Championship play-offs.

"The window for international registrations closes at 11pm on Monday 5 October, with an agreement in place with the Premier League for an extended two-week domestic only window which will close at 5pm on Friday 16 October."

Chelsea had made the first major transfer move ahead of next season, signing German striker Timo Werner from RB Leipzig last month. They also signed Moroccan winger Hakim Ziyech from Ajax Amsterdam.

"Clubs have been announcing new signings for the 2020/21 campaign. No signings announced after July 1 will be registered by the Premier League until the beginning of the summer 2020 transfer window," the league added.