Just clicked the link to the pics in that thread & found a LOAD of my relatives..

Looking thru the houseboat pics there are several former MTB’s, I remember those when I was a kid.
http://www.putmans.co.uk/OldWalton_River_Assets/1420%20Houseboat%20Leightons%20(1).jpg

http://www.putmans.co.uk/OldWalton_River_Assets/1497-Yacht-Club-+-Houseboat.jpg

http://www.putmans.co.uk/OldWalton_River_Assets/1423%20Houseboat%20Tarret(2).jpg