Asked to supply a log cabin

Wondering what other sparks would do here.

Got asked to go look at supplying a future log home in a back garden. The client wished to make it into an AIr BNB, so bathroom with a shower and a kitchen with appliances etc. On my arrival, I looked at consumer units within the property and discovered there was 7 boards different ones in different locations.

Nearest consumer unit was a container which i was pretty sure it only had a 6mm supplying it and it was a rewire able fuse db.

I then went back to the main consumer unit within the property which was plastic and had no RCD protection. With so much going on within the property I advised on carrying out an EICR as i believed someone has been doing additions/alterations themselves.

Turns out there is 56 circuits within the house and out buildings. I gave the client a price which they didn't expect, i also made them aware after the EICR there will no doubt be plenty observations.

To keep costs down i was thinking about just testing the circuits within the main DB and working it out from there - again i wouldn't be too pleased in doing this.

What do we think?

Thanks

Parents
  • In my view, a new all electric habitable home, whether in a log cabin or otherwise needs at least a 60 amp supply

    32 amps for a shower

    20 amps actual loading for a cooker

    10 amps for electric heating

    5 amps in total estimated for lighting and small appliances. Is of course a total of 67 amps, would probably get away with a 60 amp supply and a bit of short term overloading. Though it is poor practice to design on that basis.

    LPG for cooking and water heating could reduce electricity demand substantially. An automatic load control device that isolates the space heating and hot water cylinder when the shower is used would help a bit.

Reply
  • In my view, a new all electric habitable home, whether in a log cabin or otherwise needs at least a 60 amp supply

    32 amps for a shower

    20 amps actual loading for a cooker

    10 amps for electric heating

    5 amps in total estimated for lighting and small appliances. Is of course a total of 67 amps, would probably get away with a 60 amp supply and a bit of short term overloading. Though it is poor practice to design on that basis.

    LPG for cooking and water heating could reduce electricity demand substantially. An automatic load control device that isolates the space heating and hot water cylinder when the shower is used would help a bit.

Children
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