Nice account Danny, shaping up well I would say. Black Horse Broad reopens on the second of the two May Bank Holidays, got caught like that last year!
Brilliant has memory foam mattresses from eBay cut to shape with the carving knife, super comfortable covered with chenille, also from eBay, as you were able to verify having wrangled them in for us.
The main cabin has two single bed mattresses, I cut the forecabin's from one king sized double.