We had our floor sanded and resealed in early August. The company did a good job apart from one minor issue which they came to view and discuss with us. We agreed it was a light bleaching issue as the floorboards are original. So all fine.
Fast forward 7 weeks and we still haven't received an invoice for the work (which they said they would send on completion). I am considering ringing them but DH says to leave it and they will send it eventually.