He claimed to be Joseph from the 'energy team.' I hung up right then, as he was giving off those dodgy vibes akin to other energy-saving scam calls I'd encountered before.

I receive approximately six to eight calls each week concerning some list related to outdated loft insulation. Whenever I request them to cease the calls, I find that they now just ring and then promptly hang up as soon as I answer. It's quite frustrating!