Mandatory Credit: Photo by Keith Mayhew/SOPA Images/Shutterstock (11152370c) People leaving The Ivy Chelsea Garden. Ivy Chelsea Garden transformed into Santa's Grotto in London, UK - 03 Dec 2020 The Ivy Chelsea Garden has transformed itself into Santa's Grotto for Christmas. The trendy eatery along the King's Road has had a festive makeover with the installation including Santa's mailroom, reindeer stables, Christmas tree, decorations and Santa's sleigh.