In deciding whether leave should be granted under section 20H to give a notice of a claim, the court must consider the justice of the case having regard to the following—
(a) the extent of the injuries;
(b) the reason for the delay in giving part 1 of the notice;
(c) any prejudice suffered by the respondent as a result of the delay;
(d) the nature of the parties’ conduct;
(e) any other relevant matter.