If I understand the text below correctly, then a Virginia Landlord terminating a year to year lease due to a substantial renovation must provide the tenant 120 days written notice. An ordinary year to year lease termination requires 90 days written notice to the tenant. Therefore if these things are lacking, (i.e. a verbal termination notice of 29 days), the termination would be unreasonable and therefore illegal.
Quoting Virginia Title 55. Property and Conveyances § 55-222:
A. A tenancy from year to year may be terminated by either party giving three months' notice, in writing, prior to the end of any year of the tenancy, of his intention to terminate the same. A tenancy from month to month may be terminated by either party giving 30 days' notice in writing, prior to the next rent due date, of his intention to terminate the same, unless the rental agreement provides for a different notice period. Written notice of termination shall be given in accordance with this chapter or the Virginia Residential Landlord and Tenant Act ( § 55-248.2 et seq. ), as applicable.
B. In addition to the termination rights set forth in subsection A, and notwithstanding the terms of the lease, the landlord may terminate the lease due to rehabilitation or a change in the use of all or any part of a building containing at least four residential units, upon 120 days' prior written notice to the tenant. Changes in use shall include but not be limited to conversion to hotel, motel, apartment hotel or other commercial use, planned unit development, substantial rehabilitation, demolition or sale to a contract purchaser requiring an empty building. This 120-day notice requirement shall not be waived except in the case of a tenancy from month to month, which may be terminated by the landlord by giving the tenant 30 days' written notice prior to the next rent due date of the landlord's intention to terminate the tenancy.
The written notice required by this section to terminate a tenancy shall not be contained in the rental agreement or lease, but shall be a separate writing.