Do you think it has recently changed from Asda to a Spar? The photos that I can find online are all Asda Express over the last year.
It isn't on the Spar website.
It is on the Asda website:
https://storelocator.asda.com/yorkshire-&-humber/long-duckmanton/m1-29a-markham-ln
It is listed as Asda on the FSA website:
https://ratings.food.gov.uk/business/1589252