As of now, there are no public reports or credible sources confirming that Declan Donnelly and his wife, Ali Astall, have welcomed a third child. The couple has two children: their daughter, Isla Elizabeth Anne, born in September 2018, and their son, Jack Anthony Alphonsus, born in July 2022 .
Regarding property acquisitions, there is no verified information indicating that Declan Donnelly has purchased a new house in Switzerland. The couple resides in a luxurious £7 million home in West London, which they have expanded to accommodate their growing family .
Declan Donnelly and Ali Astall are known for keeping their personal lives private, and any significant developments are typically shared through official channels or reputable news outlets