Well, congrats on inheriting £2m of farmland and presumably a viable commercial business to go with it.
For starters isn’t it 20% above £1m? If so we just reduced it to £200k. Then you look at the books of what will be several hundred acres of farmland, turnover, profit, loss, employee numbers etc - because this is a business not farmer fucking Giles toodling around on his fucking tractor and you borrow against the farm if it’s a profitable and viable concern.
Average UK farm size is 40 acres, so unlikely to trouble the £1m threshold. If owned by a married couple then good estate planning may get you a combined £2m threshold (not an expert here!).
Bottom line. Let me inherit £2m of land and a viable business and I’ll figure out the rest :)