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  1. C

    10mm SWA through cavity wall

    Thanks again - much appreciated.
  2. C

    10mm SWA through cavity wall

    Thanks to everyone for all the info. By 'undercroft' do you mean basement/cellar? If so, then nope. I wish :D There are only 3 courses of brick below dpc externally. About 5-6 internally below the floorboards. Approx 10ft to CU in a straight line from external wall (no obstacles). So, I'm...
  3. C

    10mm SWA through cavity wall

    Hi, I'm in the process of building a garden workshop. I've dug a trench for some 10mm armoured cable to go from the house to the workshop. When I drill through the cavity wall of the house should the hole be ABOVE or BELOW the damp proof course? And is it best practice to have the 10mm cable go...
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