Hello @Poot,
I used the VECC calculator for a landscape restoration project. I had numerous features, such as a wall garden that needed a complete re-design. As part of a design proposal we looked at various ways to work with historic features while proposing the new layout. We were able to calculate the EC for all major structures and evaluate different scenarios.
It really depends on a project's specifications and what do you need the EC for. Is it for the internal decisions, is it for a planning application (meaning you need to submit calculated figures)?
Feel free to get in touch with more questions 🙂
Marketa