How much is Ampleforth Abbey?

I'm curious to know, just how much does the historic Ampleforth Abbey in England actually cost? Is it priced in the millions or billions, considering its rich history and architectural significance? As someone interested in real estate investments and the value of historical landmarks, I'm eager to understand the financial aspect of owning or investing in such a prestigious property. Could you please shed some light on the estimated value of Ampleforth Abbey?