According to wiki the capacity is 480..? [urlhttp://www.worldstadia.com/stadium/england/prince_of_wales_stadium/2121.php[/url
I guess that is the stand , but plenty of grass banking on either side so bring yer deckchairs.
They could move the game to Whaddon Rd ?
[url=http://www.worldstadia.com/stadium/england/whaddon_road/127.phpCheltenham Town FC[/url