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Good point noseall, the brickie I have is not the smallest of chaps! The wall thickness is a standard 300 wall, inner 100mm block, 100mm insulation and 100mm brickwork. If I can I will bring up concrete as far as I can, but that would make it very deep probably about 1.7m deep! If I have to...

Thx All really helpful, I’ll likely have to order ply in order to shutter the sides, digging a 2m hole deep is grim, especially a small hole, I imagine diggging a big hole deep is easier! Was thick clay the first 1.5m that’s sticks to everything, and smells like your on the beach, after that...

Hi Woody, yes I have plans all signed off, I’m in the scenario where plans say 1m deep or as far as the BCO sais to go. BCO Tell me to dig a test hole to determine how deep, after a discussion this morning he’s asked me to continue like for like, so a 2m deep trench with the bottom 750mm being...

I think we in same page, I basically have to dig a 2m deep hole to fill the bottom 750mm up with concrete make the foundation, if he said like for like. The ground around the new extension is flat, however a few metres away it starts to slope off which would explain the deep foundations for the...

Hi, First post, so please go easy, I’m planning an extension,BCO have asked for a test hole to understand existing foundations on house. So the existing foundation is 1300mm deep from ground level to top of foundation, it’s 750mm deep to bottom of foundation so 2m in all roughly, just dug by...