When are the kids too old to take on holiday?

Sarah Coles
family on the beach
family on the beach

CHROMORANGE / A. Shalamov/DPA/Press Association Images

Traditionalists would assume that once kids are beyond the sandcastles and donkey rides age, they have outgrown family holidays. However, a new piece of research has revealed that there's no end to the parental gravy train for young people nowadays. Two million parents will take grown-up children away with them this year.

So why is this, and when are children too old for a family holiday?
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