OK, I'll keep it simple.
OP, - The Pashley AND the Batavus would be bloody hard work on rough tracks. The gearing will be too high.
All others - A common fault ( but deliberate ) of OEM bike builders. 15 & 16 tooth Sturmey sprockets are cheaper than 22 tooth sprockets, AND, when you fit a 15 or 16 sprocket, you need less chain. As OEMs buy chain on the reel, less chain means less cost. Makes for less production expense thus more profit.
OP - There is the Raleigh Pioneer Elite. Shimano Nexus 7 speed hub. £430.
But there is the Pashley Sonnet, which has a recent cult status amongst the ladies in town. 3 Speed Sturmey and HUB BRAKES, which means no black brake block mess in the wet.