I've been to Ikea in Croydon three times (the first time with the previous Mrs G): I've told Mrs G, never again. She goes up with a friend now and makes "a day of it". It's my idea of hell
And surely if it's one of the warmest weekends of the year, the number of cyclists/walkers could be low. I certainly don't like cycling any sort of distance in the heat and I'm sure I'm not alone