The unreasonableness of a contravener's conduct is a relevant consideration in the exercise of discretion to grant an injunction for breach of a restrictive covenant, even absent proof that the breach was done with actual knowledge that it was in breach. A purchaser of land with the benefit of a restrictive covenant is not required to have ascertained whether existing structures breach the covenant before purchase in order to enforce it, and the fact that the contravener was in occupation before the covenantee purchased does not relieve the contravener from a mandatory injunction.
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