Toilet troubles, bathroom bothers and some very picky comments are all on the agenda before the payments are disclosed and it is revealed who has won.
The week's final visit is to the Curious Fox in Skipton, North Yorkshire, where hosts Lee and Janette think their combination of rooms and fine dining will wow their fellow competitors. However, an unwelcome discovery in one room could scupper them.
The competition kicks off in Kirkcudbrightshire, where Mandy and Suzanne at the Art Bank hope artistic flair will win them the week - but a shared bathroom is an instant black mark.
The first venue of the week is the Plough Inn in Ripple, Kent, where guests are treated to an afternoon of seal spotting, but are less than impressed by an old bath mat.
The final visit of the week is to The Railway Ramblers' Rest in Devon, where hosts Nikki and Terry hope their unique take on self-catering will secure them the plaque. However, simmering tensions between two of their guests threaten to derail things - and a simple breakfast the next morning isn't to everyone's taste.
The week kicks off at The Earlsdale in Devon, where married couple Lewis and James hope their bold sense of style will prove a hit, although a dribbly shower rains on their chances.
With facility failings, bathroom blues and even one set of B&Bers refusing to even try out one of their rivals' rooms all on the agenda, Payment Day is set to be a feisty occasion. It remains to be seen who will emerge victorious when the dust settles.
Rachel and Liam host the second visit of the week at The Queens Hotel in Harlech. Professional impersonator Liam is hoping to impress with his impersonations but an issue in the bathroom gives Pat a sinking feeling.
This week's competition kicks off at Rosaire Guest House in Llandudno, where host Jo and her mum Pat are going for a home-from-home vibe.