You can find our Community Guidelines in full here. The pair had only lived in the new build property for a month when they found the weed growing first into their garden, then up through the floorboards into their dining room. It can even grow through concrete which can create cracks in brickwork, patios and other parts of homes. Japanese knotweed knocks £20bn off value of UK property market, has knocked £20bn off the total value of the UK. A 2017 survey by the Crop Protection Association suggests that among individuals affected by knotweed, 15 per cent had a property deal fall through, 20 per cent saw a drop in the value of their house, while 10 per cent had to compensate someone because of the plant. What exactly is the Pfizer vaccine, who will get it, and is it safe? This is because knotweed can decrease property property prices by up to 20%. It’s part of the standard conveyancing process. This invasive plant is fast-growing and shockingly strong. Some mortgage lenders will refuse finance on a property with Japanese Knotweed in the garden, or even in neighbouring gardens. Environet estimates that Japanese knotweed now affects 4 – 5% of homes in the UK. Are you sure you want to mark this comment as inappropriate? Only one … Norman Lamb MP, Chair of the Science and Technology Committee, said: It is clear that the UK’s current approach to Japanese knotweed is more cautious than it needs to be, especially when comparing it to that of other countries. Start your Independent Premium subscription today. The committee contrasts the stance of UK lenders with that of European counterparts, finding that mortgage companies on the continent are far less risk-averse. The extent to which a property is devalued will depend on the severity of the infestation and the proximity of the Knotweed to … Japanese knotweed has knocked £20bn off the total value of the UK property market, according to new research, with many mortgage lenders refusing loans for properties affected by the weed. UNLESS you have an expensive treatment plan - and a 10-year guarantee - in place. If you have Japanese knotweed, it can devalue your property due to the risk it can pose to your house. Japanese knotweed could decrease the value of a property from anywhere between 5 and 15 percent. , according to new research, with many mortgage lenders refusing loans for properties affected by the weed. Watch out for Japanese Knotweed. If you have two identical properties, but one is bright and airy while the other is … Selling a house with Japanese Knotweed in or around the property is going to cause you a serious headache. Please be respectful when making a comment and adhere to our Community Guidelines. New Covid strain: how dangerous is it, and could it hamper a vaccine? When taken by mouth: Knotweed is POSSIBLY SAFE when taken by mouth short-term. Want an ad-free experience?Subscribe to Independent Premium. If you haven't heard about Japanese Knotweed before, you'll probably be concerned to learn that having this weed on, or nearby, your property can seriously devalue it, cost thousands of pounds to eradicate, stop you from being able to re-mortgage your property and can even get you an ASBO (anti social behaviour order) if you fail to stop it spreading onto neighbouring properties. It can even grow through concrete which can create cracks in brickwork, patios and … This is much less than the 7 metres commonly cited as the risk zone. A recent survey by YouGov and Environet UK, which specialises in removing the weed, found that around 5 per cent of UK houses are currently affected by knotweed, either directly or indirectly (when a neighbouring property is affected). You can also choose to be emailed when someone replies to your comment. What damage can Japanese Knotweed do to my property? 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Three to four cups of tea per day, each prepared with 1.5 grams of knotweed powder, have been used with apparent safety. It is estimated that more than two per cent of development sites and 1.25 per cent of residential properties in Britain are affected by the plant, amounting to tens of thousands of sites in total. The 2018 study also found that Japanese knotweed rhizomes rarely extend more than 4m from the visible plants, and usually spread less than 2.5m. The committee pointed to other invasive plants which do not have the same “chilling effect” on property prices. “House value halved due to presence of Japanese knotweed”. Call in a specialist to remove it as … Create a commenting name to join the debate, There are no Independent Premium comments yet - be the first to add your thoughts, There are no comments yet - be the first to add your thoughts. What damage can Japanese Knotweed do to my property? Our journalists will try to respond by joining the threads when they can to create a true meeting of independent Premium. There have been cases where homes have been completely devalued as a result of severe infestations, however, these are rare occurrences currently. Furthermore, mortgage lenders will usually refuse to give out loans unless property owners have a knotweed management plan with an insurance-backed guarantee in place, which can usually be passed on to a buyer and their mortgage lender. Unfortunately, when it comes to Japanese Knotweed, you stand a serious risk of having to sell your house at a massively discounted price, or even not being able to sell it at all. Report Sightings – join the fight against Japanese knotweed. Now it is one of “the UK’s most aggressive, destructive and invasive plants” according to the Environment Agency, due to its ability to spread through tarmac, concrete, driveways and drains. Huzhang (Japanese Knotweed) has been used in traditional Chinese medicine as well as in Japan and Korea for many years. Japanese knotweed can devalue a property by 10% or more. There have been cases where homes have been almost completely devalued as a result of severe infestations, however, these are rare occurrences. How Much Does Japanese Knotweed Devalue a Property? Unfortunately there is no real way of answering this question, a lot of people ask it, but it depends on numerous factors which include the extent of the damage and even the area that you live in, believe it or not. How much can you expect subsidence to devalue your property. The sale collapsed and the value of the property fell to £80,000. Local people are being warned that the presence of Japanese Knotweed can seriously devalue a property. For your essential rundown from The Telegraph, sign up to our free Front Page newsletter and new audio briefings on WhatsApp. We can survey the property and assess the risk. Covid-19 vaccine: Latest updates on Oxford, Moderna and Pfizer breakthroughs - and who will get it first? Are you sure you want to delete this comment? It is estimated that between 850,000 and 900,000 UK households are affected by the Japanese plant, wiping almost £20bn off UK house prices. The most insightful comments on all subjects will be published daily in dedicated articles. Call us now on 01925 351 350 to find out more. The invasive plant Japanese knotweed. Japanese knotweed can devalue a house between 5-15%, however, in some more extreme cases, the plant has been known to almost completely devalue properties. France 'could have helped UK tackle new Covid strain if not for Brexit', New Covid variant has already spread across the UK, Sir Patrick Vallance warns. How much does Japanese Knotweed devalue property? The spreading of the … Please continue to respect all commenters and create constructive debates. While acknowledging that Japanese knotweed can cause damage, the report noted recent evidence suggesting the effects on buildings “might not be as significant as previously believed.''. Sturgeon admits she does not know when post-Christmas national lockdown will end, The priority list for the Pfizer vaccine - and how it will be rolled out, 'Professor Lockdown' makes a return to advise on the new coronavirus wave, SNP 'leaving parents, pupils and teachers in the dark' over when schools will return after Christmas. Because of the costs associated with treating knotweed and the stigma attached to the plant it can impact property values, often by as much as 10-15 per cent. Insurance backed guarantees can be provided to restore the property’s value. Most recently, a property in Woolston Park in Cheshire claimed a potential £30,000 loss due to the presence of knotweed. Want to bookmark your favourite articles and stories to read or reference later? Darkened rooms. Invasive Japanese Knotweed can damage the foundations of your home creating a risk of subsidence. Need a better way to start your day? This is due to the stigma attached to knotweed impacting its future sale price.”. PROPERTY CLINIC: Japanese Knotweed has been found in our neighbour's hedge, does it mean I won't be able to sell my home? For most people in the UK, their home is their biggest asset and often the ‘pot of gold’ they are relying on in retirement, but Japanese knotweed is having a serious impact on values by deterring buyers and making homes difficult to sell, even if the knotweed has been successfully treated,” said Nic Seal, founder and manager of Environet. It allows our most engaged readers to debate the big issues, share their own experiences, discuss real-world solutions, and more. Formally known as Fallopia japonica, Japanese knotweed is a fast-growing invasive plant with bamboo-like stems. It also found that owners houses neighbouring land owned by Network Rail where there is a knotweed issue find it particularly challenging to secure insurance-backed guarantees for mortgage lenders. Mr Seal said that anyone affected by knotweed should try to resolve the problem as quickly as possible, with professional help. It is estimated that up to 900,000 UK households are affected by the weed, which the Environment Agency describes as one of the ‘most aggressive, destructive and invasive plants’, Find your bookmarks in your Independent Premium section, under my profile. Creating a risk of subsidence a true meeting of Independent Premium should try resolve. Knocks £20bn off value how much does japanese knotweed devalue property UK property market, has knocked £20bn off UK house prices not have the “... Refusing loans for properties affected by knotweed should try to respond by joining the threads when they can to a... 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