McLaren said she had spent a year renovating both the interior and exterior, and only had a top coat to go before needing to register it.
"The caravan spun around. From the impact, it split everything from the frame and it can't be replaced.
"We got most of the damage. It was quite dramatic and is still crazy to believe," McLaren said on Sunday.
"I think I'm still trying to come to terms with everything."
She had recently had part of her silverbirch tree chopped down after the last storm, and believes if that had not happened, the outcome could have been a lot more serious.