Correct, you have the right to return for any reason even just because you've changed your mind. But like you said you'd be responsible for cost of return.
Triton, do you know about your consumer rights ?
https://www.which.co.uk/consumer-rights/advice/i-want-to-return-something-bought-online-aqsD32m9r5P3
You have the right to cancel any online order for up to 14 days after delivery
£70 a sheet I know I couldn't stomach it !!
it's only for a workshop . I'd probably build it out of something cheap and rough, maybe second hand kitchen carcasses. ? .. Im tight lol