Yikes! I just tried to purchase tickets to see Harrod's Father Christmas, but they're fully booked! I tried to book just last week, but the site wasn't even open, I swear.
Luckily, there were still some slots to visit Santa and his grotto at Selfridge's. We're scheduled for mid-December. It's the first year my daughter actually gets Santa Claus, so I had to book her in.
There are more afternoon slots to visit Selfridge's Santa, but book quick, because I have a feeling they'll be sold out soon too. Mornings are completely booked. Cost is £2 per child, £2 per adult.