"(5) The court may at any stage of proceedings make a costs capping order against all or any of the parties, if – (a) it is in the interests of justice to do so; (b) there is a substantial risk that without such an order costs will be disproportionately incurred; and (c) it is not satisfied that the risk in subparagraph (b) can be adequately controlled by – (i) case management directions or orders made under this Part; and (ii) detailed assessment of costs."