On display will be lots for their November 12 Old Master and 19th Century paintings sale alongside items for their November 13 Fine English and Continental furniture and works of art sale.
Also on show will be pieces consigned for sales in Bloomsbury House, Maddox Street London later in the month. These include the November 26 fine watches, pens and luxury accessories sale and the November 27 fine jewellery sale.
The decision to hold the Sunday viewings comes in response to the demand for longer viewing periods, say the auctioneers.
The Donnington Priory café will be open to cater to visitors.