“(4) In deciding what order (if any) to make about costs, the court will have regard to all the circumstances, including – (a) the conduct of all the parties; (b) whether a party has succeeded on part of its case, even if that party has not been wholly successful; and (c) any admissible offer to settle made by a party which is drawn to the court’s attention, and which is not an offer to which costs consequences under Part 36 apply. (5) The conduct of the parties includes – (a) conduct before, as well as during, the proceedings and in particular the extent to which the parties followed the Practice Direction – Pre-Action Conduct or any relevant pre-action protocol; (b) whether it was reasonable for a party to raise, pursue or contest a particular allegation or issue; (c) the manner in which a party has pursued or defended its case or a particular allegation or issue; and (d) whether a claimant who has succeeded in the claim, in whole or in part, exaggerated its claim.”