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Not the easiest to see from this picture but the mains power cable coming in to our property is corroded with visible rust and several mm less in diameter at this point than the rest of the cable. Keen on getting it replaced, but very un-keen paying a vast sum of money for it to be replaced. Does anyone know if this would fall under necessary replacement by the supplier or would be considered aesthetic (which they will charge for)? For very selfish reasons this has a 60A fuse so keen to get upgraded to a 100A for a future EV charger but would rather get it replaced for free for obvious reasons.

Can anyone please tell me the diameter of the incoming mains cable to the main fuse. I have the red 38mm ducting required by my local electric board into the house and I have been informed the incoming mains cable is 35mm diameter which seems a little tight to pass through and round the sweeping bend underground. My electrics are being connected on Monday and I am a little concerned I may have to dig down to ensure the duct is as straight as possible.

Has anybody any advice on the depth of mains elec cable? ENWL official diagram mentions a depth of 750mm but when the surveyor came out he said 450mm should be plenty. The cable will be inside 117mm red duct and sited in a private driveway. What I do not want is to bury it at the shallower depth and then they turn up to connect it and say you have not laid it at the correct depth. Plus not sure if this should be in a different thread but how have people laid all the cables together? A local groundworker said he dug a 600mm trench and laid all at same level and covered in sand but that seems very expensive use of sand and over kill on trench size. My initial thoughts where to use a 300mm trench and have water at the bottom and then elec but with ENWL wanting the elec cable deeper it throws a spanner in the works. I am only laying elec,water and comms duct. TIA

5500066974-B customer drawing -001.pdf Hope this drawing works! Just about to clarify the position with the electric board about the position and length of the mains cable. The mains cable will begin at point C and will end up at point A. This distance is about 100 metres, at point B the mains cable would be downsized for one property. The reason for the 3 phase is to accommodate another house that is about to be built on the left hand side just before the cable turns 90 degrees to the right and we may in the future build another house on the left just after the bend where the trees are located. My question for @ProDave etc is what is the cheapest way to do it? Have two separate cables connected to the two new houses from the mains and pay for this at the same time to the electric board? Have one 3 phase cable which would provide power for three houses but there are no plans to build the third anytime soon and so is this making the 3 phase cable the more expensive option? The person building the other house wants to split the cost of all utility connections fairly i.e split the cost from point C to where the cables/pipes enter his land and I pay from that point to my house. The driveway will be a limestone gravel affair so no problem with digging it up at a later date or even running ducting when we do our connections now and then not as much disturbance if and when the third house is built. You can see there will be gates at some point if we do not run out of money and thought we could build a meter cupboard there and then run a supply to the house ourselves from there as that distance is about 30 metres. Hope I have included enough info. TIA