I’m just generally interested in how much people spend. I very naively thought that £2000 was a huge amount for a week abroad - we spent that last year on an all inclusive holiday for two people and I really thought we’d spent way above the average
If you went in the school holidays it was probably average and not even 'way above average' if you went in term time.
We don't do AI because I don't want to pay for the type of AI that I'd actually like (hate crowded places and buffets for dinner) so we usually self cater or go B&B in an aparthotel, eat out once a day, eat breakfast in the accommodation and stock up with drinks, snacks and easy food for lunch (or dinner if we've had lunch out). That probably costs around £1500 or so for a week but that's in June or September and I always look for cheap flights, slightly cheaper accommodation, use discount codes etc, we also generally don't eat much or choose expensive options like cocktails.
Who were the two people and what type of AI was it? If you're two adults and you went to a nice hotel in the school holidays, that's a really good deal.
However if it was you and a 3 YO going to a slightly shabby nuggets and chips place in Benidorm in term time, you probably did pay way above average.
So your 'piece of string' is longer than some but not by any stretch the longest of all the strings.
What are you hoping to achieve? There isn't a whole load of people out there enjoying AI holidays in the summer for significantly less than £1k pp per week because thats what they cost.