Exactly. As I said before, although they seemed adamant in their answer, I very much doubt whether your supplier would know, for sure, whether your whole installation or only the storage heaters is currently benefiting from the cheap night rate. As I said, that depends upon how the installation is wired - and that is what a competent electrician would be looking at in order to advise you.
Indeed. In fact, I think it should probably be enough for the OP to just tell them that he has just one, dual tariff, meter.
I don't in general (that was BAS!) - but, on this occasion, I could equally ask why you felt the need to post a message immediately after mine which had said exactly the same thing
I agree entirely, but I think it would be better, and less potentially confusing for OPs, if subsequent posters indicated that they were confirming what someone else had posted (e.g. "I agree with X"). When, as has recently happened, a post says essentially the same as an immediately preceding one, but using slightly different wording and making no reference to the previous post, an OP could think that the second post was saying something different.
No, not in so many words, I admit. However, in my post in response to yours, I did imply that separate meters suggested a storage-heaters-only cheap rate, whereas a single dual-rate meter, such as the one whose picture led you to make your comment, indicates a 'whole-installation' cheap-rate.
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