Property Care Association logo

Have you been told you have Japanese Knotweed? Is it preventing you from getting a mortgage?

TicksIf you’re in Cornwall, Devon or Somerset, Southwest Knotweed will remove the problem, guaranteed. Call us on 01872 500909.

PCA (CSJK) Certificated Surveyors producing mortgage compliant Japanese Knotwood reports within 3 days of survey.

Speedy, professional comprehensive service. Southwest Knotweed provided a programme of works and insurance backed guarantee which allowed my house sale to go through in Devon.

—Alex Brown, Exeter

10 year warranty

Our Insurance Backed Guarantee for homeowners, is recognised by mortgage companies / solicitors, (whether you are buying or selling a property), in the knowledge that the Japanese Knotweed is guaranteed to be dealt with by a professional PCA contractor. Find out more

Book a Survey
or find out more

Buying or selling a house?

TicksOn the following pages you will find the steps you need to take for getting mortgage compliant, guaranteed, Knotweed removal and certificate.

Buying a property That may be affected with Japanese Knotweed Selling a property That may be affected with Japanese Knotweed

Identifying Japanese knotweed

japanese knotweed control cornwall devon somerset uk


Japanese Knotweed identification changes throughout the year with the plant changing its visual appearance from spring to winter.

Learn more

japanese knotweed eradication uk


Japanese Knotweed stems will reach heights of 2-3 metres in the summer with the stem being hollow with nodes that make the stem resemble bamboo.

Learn more

japanese knotweed treatment cornwall devon somerset uk


As we go into autumn, Japanese Knotweed will remain looking similar to late summer with tall stems and dark green leaves and white flowers.

Learn more

japanese knotweed identification uk


In the winter months, the Japanese Knotweed canes will begin to die back and the plant will lose its leaves, leaving dried brittle canes.

learn more

Please find a list of frequently asked questions we are often asked.

To find out more please contact us on: Cornwall 01872 500909Devon – 01392 927390Somerset – 01278 247869.

What is Japanese knotweed?
How does Japanese knotweed grow?
How do you identify Japanese knotweed?
How do you get rid of Japanese knotweed?
Can I get rid of Japanese knotweed myself?
How is Japanese knotweed spread?
Is Japanese knotweed harmful to humans?
I am looking to buy or sell a house which has Japanese knotweed, what next?
Is it difficult to get a mortgage if a house I am buying has Japanese knotweed?

What does Japanese knotweed do?
How do you kill Japanese  knotweed?
Why is the Japanese knotweed a problem?
What type of damage is caused by Japanese knotweed?
Can Japanese knotweed come up through concrete, cavity walls, driveways, asphalt or block paving?
Can Japanese knotweed damage buildings?
Can Japanese knotweed damage sewers, pipes and drains?
Can you help me with Japanese knotweed Identification?
Where is the Japanese knotweed from?
Why was Japanese knotweed introduced to the UK?

Contact your local Southwest Knotweed contractor


Truro 01872 500909

Southwest – Japanese Knotweed Removal Cornwall
Quarry Cottage
Sunny Corner
Cornwall TR2 5RB


Exeter 01392 927390

Southwest – Japanese Knotweed Removal Devon
The Generator Quay House
The Gallery
Kings Wharf
The Quay
Devon EX2 4AN


Bridgwater 01278 247869

Southwest – Japanese Knotweed Removal Somerset
The Exchange
Express Park
Bristol Road
Somerset TA6 4RR