Plain BW conversion on gradient map

House outside the house- f/8, ISO 400, 1/80 Shutter speed-Handheld at 80mm(128mm equiv for film).
Shot under extreme overcast conditons early in the morning. 4 1/3 stops under sunny-16 exposure.
PS: square format cropping, minimal levels, curves & doddging. Gradient Map to convert BW.