“…ndment itself is made and not on the date of the order allowing it to be made. That much is established by Welsh Development Agency v. Redpath Dorman Long Ltd. [1994] 1 WLR 1409 at 1421C:…”
“…In the Welsh Development Agency case [1994] 1 WLR 1409 Glidewell LJ said, in an often quoted passage at p 1418, that whether or not a new cause of action arises out of substantially the same facts as those already …”