Thanks guys. I thought that may be the case as all the ones I've seen have been cut. Is there even a set character count, as I could potentially write one that would at least look neat if cut early? Or does it depend from search to search?
As you say, this seems like something they maybe should look at, because while you would undoubtedly lose real estate by cutting all meta descs, you also lose a chunk by having your call to action cut, often in nonsensical or messy ways (I'm aware that this can happen anyway, but anything we can do to minimise this is always welcome!)
Thanks again!