I've taken mine to the dealer today, they are attempting to remedy the slight squeaks on one or two of the doors [They are not very bad TBH] but thought I'd get them to try to sort it anyway, as the car is so good in all other respects it's a shame not to at least try.
Also mentioned the dripping rear washer - only does it occasionally, usually for a day or two after being used.
Will post results later.