How bad is it?
Bed sheets can be turned into pillow cases or smaller bed sheets quite easily.
Our quilts came from The White Company many years ago in a time when we had plenty of spare cash. They are UK sizes and Super King sized. (Remember that Europe and tbe rest of the world all have their own sizes even if they use the same names). Everything came with 10 year warranties and so on, so we brought them out here with us. But and this is the problem Australia has a different size called Super King size, as does IKEA (Scandinavian sizes...) .
Whilst my parents were here both of the quilt covers needed repairs. One had had to have all of the area where the buttons are sewn onto replaced (or reinforced from behind so it's an invisible repair) and the other needed the top replaced on husband's side. Like most men he sleeps without PJs and despite covers being frequently washed (every week or two never anything longer) they have eventually rotted in certain places. My mother noticed the repairs and when the problem regarding sizes was explained decided that they would buy us a new cover of our choice for Christmas on the understanding that we bought something else so we got the free delivery offer... totally forgetting that our bed, despite being IKEA is in fact Australian sized, not UK or IKEA Europe size, i got a deep mattress sheet... it doesn't fit. No point in returning it, so I've turned it into pillow cases instead. It is actually cheaper than 2 pillows in the same range and I've been able to make them to the pillow size we have (IKEA Europe size...) i hate having to buy bedding.