Found this on Amazon, there is a month wait for delivery but by far the cheapest price I have ever seen for this chair.
Suitable from birth to toddler and usually around £50.
My son loves his so this is a great price if you are not in a hurry for it.
Cannot get direct link to work but if you follow go to deal then click on the new or used it will give you the £21.99 price for a new one which is being sold by Amazon.
EDITED: NOW IN STOCK