Service Description: In certain cases you may qualify for a Council Tax reduction, for example, if only one adult lives in your home, if you're disabled, if you live with people we don't count for Council Tax purposes like a full-time student, a student nurse or a carer. There are various discounts that you may be eligible to claim to reduce your bill. A property can be exempt (no Council Tax to pay) for a fixed period or it can be exempt indefinitely. The length of time a property is exempt depends on the reason for the exemption. Often a property is exempt from Council Tax because it is unoccupied (empty). However, some occupied properties can also be exempt.
Answer: There is no specific definition for 'Major Structural Repair. It is an alteration to the structure of the property. To qualify for the exemption the property should be empty and unable to be lived in whilst the repair is being undertaken. - Related Link