Overall we're pleased. This is our first time composting. If it doesn't work for us or we can't be bothered, we're left with a pleasant feature store box for pots, tools etc.
Yes, an expensive compost bin particularly costing the additions. If you want to do serious compsting, prehaps another product would be better, but this is perfect for our needs.
It's about 2 1/2 foot wide and just under 3 foot high. Or 75cm wide 85cm high.