Personally, the map (from what I can tell) is fairly underdetailed. Keep in mind that just because other parkour maps may be underdetailed, doesnt mean new maps should be too.
The parkour walls themselves are a bit monotone. While I do appreciate that you incorporated cracked stone bricks and mossy stone bricks, You used a lot of the mossy compared to the cracked, and I didnt see any normal. I would like to see maybe 75% normal stone bricks, 10% mossy bricks, and 15% cracked bricks. You could also add vines at some points along the parkour on the walls.
For the house, the floors seem monotone. It would be good to see some carpet, or floor design. And the overall detail in the house is low. Try adding more decorations (like the beginning of dreams)