Tracy, thanks for all your input so far, much appreciated.
And yes you’ve discovered exactly the problem we’re facing. Unfortunately there’s no website that does this for E10 – we’re it!
I was going to try and do a complete summary myself, but I realised that for 14 DNO regions x (say) a dozen electricity suppliers = approx 200 quotes I’d need to get. It’s not possible as a part-time hobby! So I’m hoping if I can collate all the quotes and prices that everyone is currently getting, I can produce a list that’s tailored to each of the 14 regions, and with pricing that’s more up-to-date than I’ve managed so far. The web-form I’m using is here: