In message
,
Andy writes

On 2 Sep, 12:21, Paul Terry wrote:

Under 16s travel free (unless they've been naughty and had their
concession withdrawn).

Not on the underground they don't, only buses and trams. The
underground has a £1 fare.

I'd forgotten that, but only those aged 11+ have to pay: younger kids
can travel free on the tube with an Oyster photocard.
--
Paul Terry