I think you are off your rocket if you think getting a secured loan for 70k is a good idea. (Sorry to put harshly)
In todays climate, where employment of new qualified pilots is low, qualified pilots are losing their jobs, housing markets are collapsing and the pound is losing control of itself it's a stupid move!
This is a storm thats going to be overhead for a number of years, let it pass before you start getting lost.
I remember reading WWW's posts thinking he was talking
about the industry, how I was wrong I never expected it to get this bad.