That's a horrific price.
I live in quite a nice area, not super posh, but nice, middle class, and semi-rural Even in the more expensive parts of the county, this would only be about £325,000. Cheaper parts - would, be £225,000.
It's very dated and basic inside too. Not a single fraction of justification for that price. It's not even worth a quarter of £900,000 IMO.
I also cannot fathom WHY homes are so expensive in Exeter. What's so special about there? Purely my opinion, but I wouldn't move there if that house was £150,000. Just not somewhere that appeals to me at all. Meh.. Each to their own eh? But you'd have to have rocks in your head to pay £900,000 for a house like that. Totally not remotely worth it. Especially when you think how much more you could get for your money in other parts of the country - probably nicer areas too.
It's a NO from me.