Garages, steadings and long drives
Long cable runs to a detached garage or outbuilding
A charger can go almost anywhere on a rural property, including a detached garage, a steading or a post at the end of the drive. The limit is voltage drop. BS 7671 caps how far the voltage may fall along a circuit, so every extra metre means a thicker cable, and cable buried in the ground has to be thicker again because it cannot shed heat the way cable clipped to a wall can.
Past a short run, we rarely design one long dedicated circuit. The better job is armoured cable out to a small board in the garage or outbuilding, with the charger fed from that board. It costs a little more on the day, but the building then has power for lights, sockets or a second charger later, and the trench is only dug once.
- Sized on your route. We measure the run and size the cable for its length, its depth and anything it shares a duct with.
- Armoured where it is buried or exposed. Glanded, earthed and protected at both ends.
- Your trench, if you prefer. Plenty of farm and smallholding customers dig it themselves. We give you the depth and route, then price the electrical work only.
If the run passes an older board on the way, we look at that too. Our guide on does your consumer unit need upgrading for an EV charger explains when the board has to change, and our page on consumer unit upgrade in Aberdeenshire covers replacing the whole board.