Reconfiguring 720s for Stansted Express?

[Instinct04]

Agreed, and perhaps these weren't the best trains for their intended purpose full stop.

Exactly this.

I really miss the 379s on the WA routes. They didn’t run on all of them but they were much better. I’m jealous of Great Northern commuters with their 387s and 379s (I know that GN have other aspects which are far worse)