At those rates you're most likely to find a grumpy and bordering on broke tradesperson, depending on where you are in the country, of course. At that rate, take home pay after costs is going to be pretty lousy because to run a trade business successfully you can't just be on site to earn your money. The tax situation would depend on whether they're sole trader or Ltd company, and if they opted to be voluntarily registered for VAT. So many variables, it's difficult to provide a generalised figure