Having trawled across the region, I have found what appears to be the perfect hotel for the Saturday night. Reasonable price, nice location, seemingly a nice standard, and hopefully secure bike parking (I'm checking on that).
For the evening meal, the hotel specials are €17.50. Alternatively, the centre of 's-Hertogenbosch is 6 miles away, so there's an option to get a taxi for a night out in town. I've not checked in detail, but there might be somewhere suitable that is closer than the centre.
To keep things simple, I've secured 4 singles and 2 twin rooms. The singles were £66.05 and the twins were £86.29. I can cancel any that are not going to be used, and extra rooms can be obtained if our numbers expand. I have assumed bhoot is able to join us (which looks to be correct, according to the new post above that has appears whilst I've been typing this!). I can take payment on the day, as I expect we'll be charged in euros, so the price may fluctuate a little.
So could all those going please indicate their preference for a single or twin. A PM is fine.
The hotel details can be found at
https://www.guldenberg.nl. Just to be clear, you don't need to book a room yourself. I have already done that
EDIT: and Tomsk I had already added to the list