Here presents a unique low-cost and easy-to-build .houseboat as the highlight of our annual boating issue. in addition, our special section on boating opens on page 80.. Scroll down this page for many more plans. this a page of links to some favourite free boat plans at intheboatshed.net. they’ve been chosen because they are derived. The following cost and time figures have been submitted by builders. if a year of build was provided, we have included that information, otherwise the date of.