Speed wall drying further. Depending on external temperature, either keep windows open, or close windows, put heat on constantly around 16°C (the higher the better) and use a dehumidifier. If using a dehumidifier, see Which! Guide; https://www.which.co.uk
Tooltip Tags: damp
Dry out wall. Use fans to speed up process of drying out damp wall.
Dry wall. Use at least two fans to speed up process of drying out damp wall.