“…AND ALSO will insure in the joint names of the Lessor and Lessee and during the said term keep insured all buildings for the time being standing upon the said land from loss or injury by fire through the Agency of Messieurs Maxwells of Seabank Road Wallasey aforesaid in the Eagle Star Insurance Company Limited or such other Company as the Lessor shall require in a sum equal at least to three-fourths of the full value thereof…..”