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Japanese Knotweed - should I buy this house?

Hi, I was wondering if anyone can advise me. We are looking to buy a house, but it has Japanese Knotweed by a stream that is not too close to buildings. It has been treated for 5 years so far, but I'm not sure if this ever goes away. Is this a problem that can be contained, or is it best to avoid like the plague? Thanks
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Posts

  • CloggieCloggie Posts: 1,325
    Has it been treated by certified experts or the previous homeowners?
  • FireFire LondonPosts: 7,358
    Welcome to the forum. Avoid the house like the plague.
  • edhelkaedhelka GwyneddPosts: 1,475
    There is certainly a price that would make it worth it... but do they sell it for that price?
  • wild edgeswild edges The north west of south east WalesPosts: 5,519
    If it's by a stream then it's likely to be washing down from upstream on every flood so you'd just be throwing money away trying to get rid of it. If it's no where near the house though and you're happy for treatment to be an on-going cost then containment might be an option. If bits get blown around the garden in the wind or washed about by flood water then it could start a new patch anywhere.
  • PyraPyra Central Scotland Posts: 139
    It never goes away and spreads like wildfire. Treating it is very expensive and something that would be ongoing. But if you know that going in, and the rest of the house is perfect and the spread of it isn't too big, it's your choice. I wouldn't, but I'm not you. 
    How big a patch of it is there? And has it been brought up by the surveyor or the current owners? Do they have certificates or documents about the treatment? 
  • Hostafan1Hostafan1 Posts: 26,167
    edited July 2020
    walk away and be glad you've been made aware before buying.
    I'm not sure I'd by a house " by a stream" either. 
    Devon.
  • punkdocpunkdoc Sheffield, Derbyshire border.Posts: 8,687
    My stream does cause us some worries. The garden floods most winters [ plus some summers ] and we have come very close to having the house flooded.
    On the plus side, we get fantastic wild life: trout, Crayfish, Water Shrews etc.
    Walk out to winter, swear I'll be there.
    Chill will wake you, high and dry
    You'll wonder why.
  • Hostafan1Hostafan1 Posts: 26,167
    punkdoc said:
    My stream does cause us some worries. The garden floods most winters [ plus some summers ] and we have come very close to having the house flooded.
    On the plus side, we get fantastic wild life: trout, Crayfish, Water Shrews etc.
    My nerves couldn't stand the whole flooding thing,plant loss, hard work ruined. We've got plenty of wildlife here, just different .
    Devon.
  • pansyfacepansyface PEAK DISTRICT DerbyshirePosts: 17,796
    Imagine for a moment that you bought the house and later wanted to sell it.

    Now, as the seller, read this

    https://www.japaneseknotweed.co.uk/japanese-knotweed-mortgages

    OK, you can wake up now, it was only a dream.

    Do you still want to buy it?
    Apophthegm -  a big word for a small thought.
  • fidgetbonesfidgetbones Posts: 14,809
    Walk away.
    You don't stop doing new things because you get old, you get old because you stop doing new things. <3
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