Leeds have submitted their formal planning application for the redevelopment of Elland Road into a 53,000-capacity stadium to the city council.
The hybrid application is full and detailed for the West Stand and an outline for the North Stand.
The former is expected to open in 2028, with a rise from 8,000 to 17,750 seats, and the latter by nearly 5,000 to 15,300 in 2030.
The application follows public consultations where supporters and the local community were invited to share their feedback, and the club said 97% of respondents supported the design proposals.
Leeds chief business officer Morrie Eisenberg said: "This is a result of the hard work of everyone involved over the past 18 months, where designs and concepts have been developed to revitalise Elland Road Stadium, while preserving the unique history and heritage it holds.
"I would like to thank everyone who took the time to go to the public exhibition at the Centenary Pavilion and the consultation sessions in the local community, with over 1,800 people visiting in person, and those who completed the questionnaire and provided us with invaluable comments and feedback, which have all been considered."