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Hi, so, I currently have a shed/workshop in the garden which is in pretty poor shape. I'm getting sick of doing repairs to it now and want to replace it with something a bit bigger and more suitable. I intend on building something to fit the space, which I've measured up to come to 14 square meters and will be sticking to the 2.5 height limit so I know I'm all good on the planning/generic building regs front but I am worried about part p and finding it a nightmare to navigate.
The current shed has power. I'm guessing it was done prior to part p being introduced as the run from the house isn't swa - it's normal cable, although it is in some sort of metal conduit which is attached to a fence (although, other than that, it looks pretty good to me - the cable run looks to be 10mm at a glance and the mcb on the main consumer unit is 40a. It runs from the house into a seperate, secondary, consumer unit which is rcd protected and has 2mcbs - 1 rated at 6a for the lighting circuit and one rated at 32a for the socket one. So, I have a couple of questions. First, if I wanted to replace the run of cable from the house up to the shed with 10mm swa would this be notifiable with it just being replacing something that's already there? I'm thinking I could dig a trench for the swa run and splice it in appropriate weatherproof junction boxes at either end (where the current unarmoured leaves the house, then do the same at the other end once I've built a new workshop and resited the secondary consumer unit). Secondly, given that it's technically not a new circuit, can I then wire up the radial lighting and socket circuits in the new workshop building myself off of that existing circuit aswell, without it being notifiable?
Trying to navigate part p is just driving me loopy and I don't want to fall foul should I go ahead with a build and a planner/inspector rock up at some point.
Is it just a case of 'don't eff about with the household consumer unit (installing a new circuit) and with anything in a bathroom' like I keep seeing as the basic guide, or are there specific regulations governing outbuildings in the part p framework? I'm confident I can do the work myself to a very good standard so don't want to end up forking over half a months wages to a spark to do if I don't need the piece of paper that he comes with.
The current shed has power. I'm guessing it was done prior to part p being introduced as the run from the house isn't swa - it's normal cable, although it is in some sort of metal conduit which is attached to a fence (although, other than that, it looks pretty good to me - the cable run looks to be 10mm at a glance and the mcb on the main consumer unit is 40a. It runs from the house into a seperate, secondary, consumer unit which is rcd protected and has 2mcbs - 1 rated at 6a for the lighting circuit and one rated at 32a for the socket one. So, I have a couple of questions. First, if I wanted to replace the run of cable from the house up to the shed with 10mm swa would this be notifiable with it just being replacing something that's already there? I'm thinking I could dig a trench for the swa run and splice it in appropriate weatherproof junction boxes at either end (where the current unarmoured leaves the house, then do the same at the other end once I've built a new workshop and resited the secondary consumer unit). Secondly, given that it's technically not a new circuit, can I then wire up the radial lighting and socket circuits in the new workshop building myself off of that existing circuit aswell, without it being notifiable?
Trying to navigate part p is just driving me loopy and I don't want to fall foul should I go ahead with a build and a planner/inspector rock up at some point.
Is it just a case of 'don't eff about with the household consumer unit (installing a new circuit) and with anything in a bathroom' like I keep seeing as the basic guide, or are there specific regulations governing outbuildings in the part p framework? I'm confident I can do the work myself to a very good standard so don't want to end up forking over half a months wages to a spark to do if I don't need the piece of paper that he comes with.