Happy new year guys. I'm gonna be in the process of slowly rewiring my house over the next 12 months. It's an old house with wooden floorboards on the ground floor and a subfloor. The consumer unit is at the bottom of the stairs in the cavity. To get upstairs I plan to run cables underneath the floor to under the stairs. Go up there in a trunking and then up onto the landing floor. The amount I need to rewire that will go under the floor is 1 x 10mm t+e, 1 x 1.5mm t+e and 7 x 2.5mm t ÷e. Shower circuit, upstairs lighting circuit, boiler supply circuit, upstairs ring. A utility ring main and outside power supply ring main will follow the same route but won't go upstairs. To save on clipping and not that I'd have room to clip them all. Would bunching them together and all round banding suffice? It's a metal consumer unit as well so would bunching them create a problem with eddy currents as they go through knockouts but obviously won't all fit through the same one