Supreme Court Act 1979

(1) In any proceeding in respect of a cause of action that arises after the commencement of this Act the Court may order that there shall be included in the sum for which judgment is given interest at such rate as it thinks fit on the whole or any part of that sum for the whole or any part of the period between the date when the cause of action arose and the date of the judgment.

(1A) Subsection (1) applies subject to Part 4 of the Personal Injuries (Liabilities and Damages) Act 2003.

(b) does not apply in respect of any debt on which interest is payable as of right whether by virtue of an agreement or otherwise; and

(c) does not affect damages recoverable for the dishonour of a bill of exchange.