Swansea City are set to submit a planning application to expand the Liberty Stadium at the start of next year.
The current capacity of the ground is 20,520 - the second lowest in the Premier League - and the club has said it has been "virtually impossible" to satisfy demand for tickets since securing promotion to the top flight. In the 2012-13 season so far, the Swans' average attendance stands at 20,349.
Chairman Huw Jenkins is to speak to Swansea Council about the prospect of adding between 11,000 and 12,000 seats to the stadium. "We hope to be ready to put a planning application in by February or March," he said in the South Wales Evening Post.
However, Jenkins has urged caution and said any expansion is likely to be done in stages. The club is carrying out a survey to determine the extent of the demand and Jenkins said that "retaining Premier League status is vitally important" to the plans, which could see increases to the south, east and north stands.
"There's additional money coming in via the TV revenues next season and we have got to make sure we use that wisely, that we do things that are right for the club for years to come," he added. "I don't know exactly when it would be ready, but I would say a build on the east stand would be started and finished within 12 months, maybe quicker than that."