The new house has just been decorated. All the taps are turned off, but the water meter turns slowly.

Well, there is definitely something unusual. It may be water leakage or water theft. You can continue to observe carefully for three days to a week or so. Because the current water meter runs slowly, it won't lose too much. You can observe it for a few more days, and the loss will not be great. If this phenomenon continues for a week, you can be sure that there is a problem between the main valve and the indoor water pipe and faucet. At the same time, you should record the figures on the water meter, record them every time, and then compare them with your own water consumption to see if there are any obvious anomalies. Pay attention to observation and eventually find problems.