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Need an expert to see whether we need relevelling

We moved in the new house 1 month ago, but we feel the house not level at some points. I did a rough measure using an iPhone app, I can see the uneven in the house. Need a professional person to do a site visit and see whether any work needs to be applied. I have some documents regarding micro-pile installation in 2002, can provide it for you to have a look during the site visit.