Whilst on holiday in E Germany staying with frends, we visited their friends who have this in their garden. The label says "Insectenhotel"! (I took the photo in the dark hence the poor quality.)
We had a very good holiday and I'll post just a few of the photos I took in a few days.
I have started on the polytunnel tidy up and re-vamp. I am doing away with the deep, wood-edged beds and reverting to digging the soil at ground level. I have 3 Daleks of Compost to add to the soil and will be installing a gravity watering system from the rainwater butts direct to the soil to obviate a lot of hose holding.