Weird lighting circuit

[dan1w]

The guy that owned my house before me was an electrical engineer. I suspect he done a lot of the electrics himself and although he obviously had the electrical knowledge he clearly knew nothing about building regs, as I discovered when I ripped apart the kitchen to find a 10mm cable to the cooker run just below the bonding plaster at a perfect 45 degree angle.

I examined the lighting circuit in the garage, a condensed version of which is shown in the crude schematic attached (JB=Junction box, X=Ceiling light). I know you can essentially branch out anywhere on a radial but is this circuit permissible?

 

[EFLImpudence]

Nothing eletrically wrong with it, as such. Perhaps he liked junction boxes.

He could have run the cable from light to light - if the location of the lights and the routes made that feasible and better.

 

[ban-all-sheds]

he clearly knew nothing about building regs, as I discovered when I ripped apart the kitchen to find a 10mm cable to the cooker run just below the bonding plaster at a perfect 45 degree angle.

That's not actually an explicit BR contravention. There is no BR which requires cables to not be run like that.