It's good to see the effort that has been made to tidy up the plot.
I was at Brompton last week, walking around with a fellow FindAGrave volunteer over from the USA. She was a little unhappy that so much is overgrown because the Royal Parks have determined it being good for the local wildlife. Don't get me wrong, it is full of birds and insects, but the plots just look messy and unkempt.
On the subject of old soldiers, there are lots of Chelsea Pensioners at Brompton before the move to Brookwood was made. The majority are in common plots. I've been working on the burial registers for a couple of years now, adding the missing plot numbers. I bet there were some stories they could have told.
Good luck with your project.