Matthew P Jones wrote:

your card. Just do it on the Internet, it then asks you to pick a
station you wish to load your ticket at. I assume that as you pass
through this station on your normal travels, it tops up your card with
the new ticket - at least I hope it does because I have just bought
another monthly ticket and hope it gets loaded at Amersham! I did not

Yes it does - I did it two days ago.

(I don't like the having to tell it which station you want to load it at
part of things, seems a little clumsy.)