I think you'd also want to understand the impact and limitations of the Grade II listing in that area.
Can you put in whatever glazing you want? Or is it all going to have to be some pricey custom stuff with annoying parameters that mean you're barely any better off?
Settle an argument for me. What would it cost to sensitively modernise this place?
https://www.themodernhouse.com/sales-list/new-road/
All electrics and flooring need replacing.