“I’ve watched them at The Valley and they’ve really made it a fortress there and the fans are really backing the players and responding, and they’ve had some big wins this season at home,” said former Addicks striker Kevin Lisbie.
“They’re going to be really difficult to beat this Sunday.”
Curbishley backed Jones and his old side to get the victory they need at Wembley.
“I think Nathan’s done an excellent job and he understands the league, he’s been there before,” Curbishley said.
Charlton sold out their initial 36,945 allocation for Sunday’s final in 40 minutes, the club said on its website,, external and have secured an extra 1,400.
“Obviously the pitch is going to be super for the players but I just think the atmosphere that’s going to be generated here over the weekend is going to be second to none,” Curbishley said, speaking at Wembley.
“Once you get over walking into the stadium and you’ve seen how big it is and the dressing rooms and everything else, you’ve got to settle down and focus.”