The serial numbers on mine are mainly stickers which would just peel offI've only heard about one ground mount of 200 panels being stolen a year or two ago. It's quite rare. You're looking at up to £20k plus install. You should have a record of the serial numbers to pass onto the insurers. I don't think they'll pay out if you don't provide this, I may be wrong.
must admit not noticed them but if they should be I am certain they will be as we certainly never used cowboysYou mean they aren't under the glass as well? What's the manufacturer?