One suggestion may be a trick I tried with my bank a few years ago. write back to Excel explaining you have received their letter and you are charging them X pounds in administration costs for this confirmation letter, and they have five days to pay or you will take them to court. It certainly worked for me the bank manager rang me personally. One other trick is buy 4 Clamps and the next time your clamped get a couple of mates to come to your assistance and while the bloke is unclamping your car clamp his van, I'm sure it's probably illegal but then they sail extremely close to the wind.
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