They seemed reluctant to come out and talk to us, well.. I say they, there was just a woman. Here's a little history...
https://lowercalderlegends.wordpress.com/2010/03/23/scout-hall-shibden-valley/
There's also a blog about restoring the place but it hasn't been updated since 2014.
From the sound of it, a family bought it as family home and they wanted to renovate it since 2012.
That's rough.
The house might outlive them judging by the speed of renovation.
No kidding. I don't think that's a project for the manpower they have.