I need to break up about 5m x 5m of concrete, varies in depth, seems to
be about 4" max.

I intend to do it over a few weeks, once the weather improves. Would
this be up to the job:

https://www.aldi.co.uk/workzone-demo...96542269374000

I intend to buy it, then sell on ebay once it's done.

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Cheers, Rob