Again, what is your point, how does this relate to Pittodrie? Are you implying the south stand and riverside are similar? They are not.the main stand? You'll see they haven't touched that for the reasons outlined in my previous post. Merkie? We can't build higher than we already are and the spacing between seats increases because of modern standards. Instantly decreasing the number of seats as it is.
Hammersmith and putney ends have no habitable accommodation behind them. Hence why I mentioned the parks. Although, having said that the Hammersmith end has been developed up to its boundary, from memory the stand isn't much higher, if at all, than the trees in the park.
I forgot to address your point about the riverside, this stand, had the concourse to the rear of it. The new stand will extend beyond, in terms of access over the water but by doing so, they've allowed public access through the site. My hunch is the stand itself is still on their land but have been able to provide further access with agreement with the council to ensure public access through, which wasn't previously possible.