“25…In my view, the first defendant’s approved costs budget is the appropriate starting point for the calculation of any interim payment on account of costs.CPR 3.18 makes plain that, where there is an approved or agreed costs budget, when costs are assessed on a standard basis at the end of the case, “the court will…not depart from such approved or agreed budget unless satisfied that there is good reason to do so”
“…in the context of considering an interim payment on account of costs, Coulson J in terms said that the significance ofCPR r. 3.18 “cannot be understated” and meant that, where costs are assessed, the costs judge “will start with the figure in the approved costs budget”