Clubs with newer stadiums could be handed an advantage when fans are permitted back into matches.
Sportsmail understands that plans being drawn up for a gradual readmission in October are unlikely to set a blanket percentage of capacity. Instead, each ground is set to be dealt with individually.
And those with older stadiums — particularly those with narrow concourses and toilet areas — are likely to face bigger restrictions.
That means the likes of Jose Mourinho’s Tottenham and Manchester City could see relatively large numbers allowed to enter their matches, while Manchester United, Everton and others with tighter spaces, could suffer.
Although exact criteria are yet to be given to clubs, the Government has set a limit of 30 per cent of capacity.
But insiders say there is widespread recognition that each venue will be assessed individually.
Sources at two clubs with older grounds said they are expecting 20 per cent of capacity at first. The Premier League remains keen to ensure it is at the forefront of any fan return, should it be safe to do so.
The presence of supporters, including away fans, is a major part of their product appeal to broadcasters.
Unless logistically impossible, each club is expected to have away fans at pitch level, so they can be seen by TV audiences.
The Department for Digital, Culture, Media and Sport wants supporters back in from October 1.
Pilot events will take place first and earlier Premier League matches could be chosen for trial.