What is the claim? Under section 1(1) of the Land Compensation Act 1973 (LCA 1973), where the value of an interest in land is depreciated by physical factors (noise, vibrations, smell, fumes, smoke, artificial lighting and discharge) caused by the use of public works, the interest qualifies for compensation and the person entitled to the interest makes a claim, compensation for that depreciation will be payable by the responsible authority. What are works? In order to make a claim, the value of