Depends on the terms of the lease. It'll almost certainly have a covenant against alterations, but whether it would would be possible to do that work with consent, or at all, would depend on the precise wording of the covenant.
It's just a pretentious albeit technically correct term for the clause in a lease which says what you can and can't do with the property. They're generally fairly easy to read.
Depends on the terms of the lease. It'll almost certainly have a covenant against alterations, but whether it would would be possible to do that work with consent, or at all, would depend on the precise wording of the covenant.