I dug a trench around half a metre deep and filled it with a wet slurry mix of concrete before adding solid concrete blocks and two courses of engineering bricks - which you can just see at ground level in the picture above. The engineering bricks will root the structure to the foundations and protect the bricks above from possible rising water, and frost damage.
I added a few extra courses to this wall giving it a little more height and I think the proportions will look better once the top is added. The ground around the greenhouse will be paved by others later on.
"Hi Robin. Just wanted to say that it was great to spend some time with you. Many thanks for your hard work and skills. Your application was even more than I was expecting and the base is great." Dave P
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