To really want the tree house in the HSBC advert.....

[MammaTJ]

and not let the DC use it. Even though I don't even have a tree in the garden.

I really want the dad from the HSBC advert...

Yanbu

I've always wanted a tree house but never lived anywhere with a suitable tree

wee, that did not even occur to me!

I don't even have a tree freddie, let alone a suitable one!