In Mertens v. Home Freeholds Company (1921),2 K.B. 526, where the Court approved the law on this point as stated in an earlier edition of Hudson. In that case the contractor had undertaken to build to the roofing and the Court held:- The proper measure of damages was what it cost the plaintiff to complete the house substantially as it was originally intended and in a reasonable manner at the earliest moment he was allowed to proceed with the work, less any amount which would have been due and payable by the defendant to the plaintiff, had the defendant completed the house to the roofing at the time agreed by the terms of the contract.
JUDGES SHOULD SET OUT HOW THEY ARRIVE AT QUANTUM OF DAMAGES
The quantum of damages does not now arise for consideration. We would only point out that the Judge did not record a finding as to the extent of the annual financial loss suffered by those whom he held to have been dependants of the deceased woman, or say how he arrived at the total sum...