Apply for a council tax discount - persons with severe mental impairment
Your full council tax bill is based on at least two adults (people over 18) living in a property.
Persons who are classed as severely mentally impaired do not count towards the number of adults considered to be living in a property.
This means if 2 adults live in a property and 1 of them is classed as severely mentally impaired, the bill will be worked out as if only 1 adult lives there. This would reduce the bill by 25%.
If the only person or all persons living in the property have severe mental impairment, they will be fully exempt from council tax.
Apply for a council tax discount for persons with severe mental impairment
Last Modified: 07/11/2025
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