Just that really 🙂
It should be rear facing, comfy and most importantly, secure.
It would be a major plus if it doesn't cost more than 200 pounds and if he can use the car seat as long as possible in his toddler years :)
Thanks for any advice xx
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This thread is a little old now so some of the suggestions may be out of date, but if you’ve landed here looking for a toddler car seat, we’ve recently updated our best toddler car seats article with lots of great options, including extended rear-facing and 360 spin seats, as tried and tested by Mumsnet users. We hope you find it useful. 
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