Loft conversion help?

[Electrician1972]

Looking at wiring a loft conversion , it’s a large loft and there will be a bathroom a bedroom and a walk in wardrobe , The sockets are wired from the loft but are in conduit to a junction box (have only located one junction box just now) I plan on taking my cables for sockets and lights to the main DB to be on there own circuits instead of tapping into any new ones , there will be 8 sockets and a some downlights , there are no spare circuit breakers in the main DB I am wondering can I use an existing mcb for say the upstairs sockets for my socket circit and make mine a radial circuit to have more space in the MCB and the Lights into the upstairs lights MCB as there will only be two switches to go to in the loft doing loop in at switches method . Any other ideas would be helpful but if I need to will just have to change Main DB to gain space for new circuits

 

[Mike Johnson]

My suggestion would be to run a 10/6mm into the loft and put in its own CU for the circuits off a decent size RCB/RCBO in the original CU.

Post 11 page 1. Echo, Echo, Echo, Echo, Echo

 

[DPG]

Post 11 page 1. Echo, Echo, Echo, Echo, Echo

No need for a submain and new dist board just for a couple of lights and a few sockets. Just extend upstairs lighting circuit and upstairs RFC. Why over complicate things?

 

[Electrician1972]

No need for a submain and new dist board just for a couple of lights and a few sockets. Just extend upstairs lighting circuit and upstairs RFC. Why over complicate things?

Like I stated existing circuuts are all in conduit and instead of tapping in to them I wish to run new socket and lighting circuits

 

[123]

Like I stated existing circuuts are all in conduit and instead of tapping in to them I wish to run new socket and lighting circuits

I'd sooner tap into them than bodge "new circuits" into a full consumer unit. If you want new circuits change consumer or add a new one. If not, tap into the existing lighting circuit and ring. If exisiting consumer unit doesn't have RCD protection, that's something else to deal with for the additions.