West Ham United defender Matthew Upson says he's in the best form of his career.

"It's been the best season of my career to date," he said. "I felt I've improved and developed well and I'm very positive about next season.

"I'm really happy with the amount of games I've played (for England). I want to play as many games as I can.

"(Playing in the World Cup) would mean everything. It's something I've dreamt of for a long time and worked hard for over the last four or five years.

"But we're not there just yet. We've put ourselves in a strong position but we're still a couple of wins away from confirming that.

"We can't start taking our eye off the ball and looking ahead to next summer just yet."