Wiring design for Attic rooms.

[flameport]

You don't need any junction boxes.
All connections at the switches, or at the light fittings.

 

[Sully114]

Thanks, yes thats also a way to do it, my logic with this method was to keep the radial on the accessable panel and then have direct feed to switch from board and from swith to led downlights. So if something goes wrong it not taking out other stuff as well. Its potentially easier to split the radial circuit then if theres any issues when properly tested etc. Appreciate your feedback and if you can see anything thats not going to work with my thinking then would be good to know.

 

[Harry Bloomfield]

Thanks, yes thats also a way to do it, my logic with this method was to keep the radial on the accessable panel and then have direct feed to switch from board and from swith to led downlights. So if something goes wrong it not taking out other stuff as well. Its potentially easier to split the radial circuit then if theres any issues when properly tested etc. Appreciate your feedback and if you can see anything thats not going to work with my thinking then would be good to know.

It's very obvious that you are intending/hoping to do this all your self, and that you don't really have much of a clue - hence the replies you are getting to your questions. Please leave it to a professional, for your own safety, and any subsequent occupiers!

 

[flameport]

and if you can see anything thats not going to work with my thinking

What you have described will work - but it will waste a substantial amount of cable and require a pile of junction boxes and connections which are unnecessary.

The usual method is to take the supply cable to the first switch, then a cable from there to the next switch, and from that to the third switch and so on.
Then add cable from each switch to the light that it controls.
All connections accessible and obvious by just removing one or more of the switches.
No junction boxes, access panels or anything else required.