knotweed FAQ - questions about knotweed removal

Questions about Knotweed

We know that finding Knotweed on your land can be a worry, but don’t panic. Have a look through our FAQ’s below. If you’re still in doubt as to whether you have discovered Knotweed, get in touch and we can help you to find a solution.

There is Knotweed growing right next to my house? Is it going to cause any damage?

Japanese Knotweed grows quickly but will usually take the path of least resistance – the easiest path to allow for maximum growth. We don’t believe in sharing scare stories but it is important to know the facts. Research and experience shows that Japanese Knotweed can and will damage property, walls, fencing and drainage by exploiting any existing weakness in the structure. So if you find Knotweed rearing its head in your front room then it is likely there were already other structural problems but the plant is capable of making a small weakness far worse as it grows and expands so what was a small crack becomes larger and more problematic.

Obviously, plants look for light and moisture, so Knotweed under your house is also likely to interfere with drainage and other pipes and cabling in its quest for nutrients. These are extreme examples of the problems Knotweed can cause but the risk is real so it is always better to act quickly and remove the risk before these problems occur.

What to do with Japanese Knotweed? The key is to not ignore your Japanese Knotweed because it won’t go away without treatment. Don’t worry or stress just call us for advice.

Can I just chop it down or dig it up myself?

Cutting Japanese Knotweed won’t solve your problem it will grow back. If you are looking to treat the problem then let your Knotweed grow nice and tall so that we can offer the full range of Knotweed treatment solutions to you. There are a range of options available for the removal of Knotweed and we will discuss them all with you to choose the most appropriate and cost effective approach for your circumstance. Getting rid of Knotweed by digging it up is an option but not often the most appropriate for residential properties. Knotweed rhizome below the ground can grow to 4.5m deep and 7m wide so it requires a significant dig to extract the plant in this way. In most residential cases the most appropriate method for removal of Knotweed is by using a herbicide treatment programme.

How do I know what the best approach is? The key is to not ignore your Japanese Knotweed because it won’t go away without treatment. Don’t worry or stress just call us for advice.

My neighbour has Knotweed in their garden, how does this affect me?

It is not an offence for a neighbour to have Knotweed in their garden however knotweed spreads quickly and easily so it is worth discussing the Knotweed with your neighbour and asking for reassurances that they are taking appropriate steps to ensure that it doesn’t cross the boundary into your garden. Banks and building societies look for Knotweed within 7m of a habitable space, on your property when surveying for lending purposes, (this includes re-mortgages). So, it’s also worth considering distances and once again asking your neighbour for reassurance that the plant is being treated. If treatment isn’t already in place, we suggest sharing our contact details with them and we can discuss treatment options and provide reassurance that Japanese Knotweed control and eradication doesn’t have to be as difficult or expensive as the press might have us believe.

The sooner you discuss it with your neighbours, the sooner they can look to put a solution in place. Pass them our details today.

I want to sell my house and have Japanese Knotweed growing in my garden. What should I do?

You should NOT panic, this is an inconvenience but it can be overcome. Start by booking a Japanese Knotweed Survey with us, we will confirm that it really is Knotweed, show you exactly where the Knotweed is and outline the likely RICS risk level which is key information for valuing purposes and provide you with a range of treatment options. The cost of Japanese Knotweed removal is widely reported in the press and often the figures can be frightening so don’t believe everything you read, we will always recommend the most cost effective solution for your circumstances.

Most important DO NOT attempt to conceal the Knotweed, you are legally required to declare its existence to the buyer and your solicitor will require you to specifically confirm this.

We can provide a Knotweed survey, design a fully tailored treatment plan with our own guarantee. We can also provide an insurance backed guarantee so that you, your buyer and any mortgage providers or other lenders involved in the sale are reassured and satisfied that the Knotweed is being treated and will be eradicated.

Call us for a Knotweed solution that perfectly suits your circumstances.

How long does it take to eradicate Knotweed from my property?

Depending on the condition of the Knotweed when treatment starts it can take up to 3 years to eradicate a Knotweed infestation. After 3 years of treatment we look to monitor the site for at least a further 2 years to ensure that there is no regrowth. These visits take place at the end of the growing season from September onwards to ensure that the Knotweed has had every opportunity to show itself. Following 2 years of no regrowth a certificate of eradication is issued and our guarantee begins.

The sooner you contact us and start the treatment programme the sooner you will be free from the worries of having Japanese Knotweed on your property. Don’t wait until you want to sell or until your neighbours are complaining to find a way a getting rid of knotweed act today and give us a call.

Are your treatment procedures environmentally friendly?

Whilst we use chemicals in most cases to treat and remove the Japanese Knotweed we follow strict guidelines on the quantities and dilution of chemical used. We never use chemical treatment for cosmetic purposes it is also with an aim to remove the Knotweed problem and protect property. Chemicals used do not remain in the soil for prolonged periods of time.

We do not spray unless the weather conditions are appropriate so chemical use is kept to a minimum and wash off into the soil and watercourses minimised wherever possible.

In most residential cases the cost of non chemical treatment is prohibitive and would lead to prolonged use of machinery and the removal of waste to landfill. We make every effort to choose the most appropriate treatment methods.