“3(vii) The tenant will not at any time during the said term cut maim alter or injure any of the principal timbers, roofs or walls of the Flat …. or make any structural alterations or additions whatsoever in or to the Demised Premises externally or internally…. or make any alteration in the … architectural appearance or exterior decorations of the demised premises without the consent in writing of the Lessor first obtained.”
“It is essential that consent to the assignment, etc., is sought beforehand. However unreasonable would be a refusal on the part of the landlord, mistake or forgetfulness on the part of the tenant will be no defence if in fact the assignment has been made before consent to it has been requested.”