I'd be wary of turning passive Perception checks into another 'I roll to disbelieve' show, or go back to rolling 'Spot Hidden' for every 5' of floor space.. If your character notices a feature out of place then you get to act on it; if they don't, well there's 'obviously' nothing unusual about the feature in question. It's not like the average character is going to be performing an active and thorough search of every inch of a house or room.
I do agree with Stabbey, though, that finding a particular trap or loose panel will make you more likely to search for a similar hidden feature in similar-looking architecture. A reduction of DC would make that logical, as would the option to actively search that area.
Last edited by Sadurian; 17/10/20 05:51 PM.
