They can visually balance a space – every room needs something organic, I think – and the health benefits are a bonus (priorities, people). You’ve all probably read about the NASA clean air study, which tends to be my go-to for choosing house plants – it highlights the plants best at filtering specific toxins from the air. Gaddys Plant Hire has more info on this too.
We had quite a few snake plants like the one above in our loft, because they are really good in bedrooms (they convert carbon dioxide to oxygen at night, unlike most plants). They’re also almost impossible to kill, for those of us afflicted with a black thumb.