"It will be held at my home, which is unusual, but my health isn't good, it's an issue, and they've very kindly agreed to accommodate me."
Sir Paul has been battling prostate cancer and a heart ailment, undergoing operations for both conditions last year. Just after Christmas, after he learned of his knighthood, he told the Herald that the effects of his medications had settled down and he was in a good place.
He wrote a personal account after open-heart surgery in June.
"I couldn't speak ... Not with the half-inch pipe down my throat. I couldn't sleep. Not for days. The staff urged me to try. But when I closed my eyes I saw only nightmare visions. It was unbearable. I was exhausted," he recounted.
"I've written this not to suggest I'm the only person who's ever had open heart surgery. Not at all. Please don't think that. But I've written it in good health, full of beans again, looking out on a golden spring day, the cold wind has gone and there is so much love in my life. What more could a man want?"