“1. -Right to compensation. (1) Where the value of an interest in land is depreciated by physical factors caused by the use of public works, then, if - (a) the interest qualifies for compensation under this Part of this Act; and (b) the person entitled to the interest makes a claim after the time provided by and otherwise in accordance with this Part of this Act, compensation for that depreciation shall, subject to the provisions of this Part of this Act, be payable by the responsible authority to the person making the claim (hereinafter referred to as “the claimant”). (2) The physical factors mentioned in subsection (1) above are noise, vibration, smell, fumes, smoke and artificial lighting and the discharge on to the land in respect of which the claim is made of any solid or liquid substance. (3) The public works mentioned in subsection (1) above are – (a) any highway; … (4) The responsible authority mentioned in subsection (1) above is, in relation to a highway, the appropriate highway authority… (5) …the source of the physical factors must be situated on or in the public works the use of which is alleged to be their cause. … (9) Subject to section 9 below, “the relevant date” in this part of the Act means – (a) in relation to a claim in respect of a highway, the date on which it was first open to public traffic.”
“(2) The value of land shall … be taken to be the amount which the land if sold in the open market by a willing seller might be expected to realise…”