Use code oled10 - also valid on all other LG OLED models.
5 year warranty.
12month Sky Q offer.
Low latency HDR game mode firmware now available for the B6 models yielding sub 30ms.
I think this is about the best ever price at a reputable retailer and without having to rely on cashback or trying to get price matches. 1% Quidco or 1.15% TCB is available.
UPDATE - available by phone only now, code withdrawn (thanks @onzey). Further £50 reduction on the 55 B6 which should make it £1574 though.