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Japanese knotweed survey

  • Fixed price
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The short answer

Identify and management plan

Price from
£200.00
Time on site
1 to 2 hours

What you get

You will receive a comprehensive report confirming the presence of Japanese knotweed, its spread, and a tailored management plan for its eradication or control.

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When do you need a Japanese knotweed survey?

You should book a survey if you see strange bamboo-like stems or heart-shaped leaves.

  • Sellers must tell buyers if the plant is present.
  • Lenders often require a report before approving loans.
  • Get a survey before starting any garden building work.
  • You need a plan if the weed is near boundaries.
  • Law requires you to stop it spreading to neighbours.
  • Use a pro to get an insurance-backed guarantee.

What happens on the day

A specialist will visit to walk around your garden and look for the plant.

  • They check for growth even in cold winter months.
  • The pro maps out where the weed is growing.
  • They measure how close it is to your house.
  • They look for damage to paths and walls.
  • The surveyor might take photos for their final report.
  • The visit is quick and does not involve digging.

How to prepare

  • Clear clutter from the garden edges
  • Unlock all side gates and sheds
  • Keep pets inside during the visit
  • Show the surveyor any suspicious plants
  • Find your property boundary maps
  • Point out any hidden underground pipes
  • Do not cut down the weeds first
  • Warn neighbours if access is needed

How to improve your result

  • Never put knotweed in garden waste bins
  • Avoid mowing over any suspicious stems
  • Ask for a long insurance guarantee
  • Use a qualified specialist for treatment
  • Keep all paperwork for future buyers
  • Check your fences for small shoots

Why it is useful day to day

Having a professional plan gives you peace of mind and keeps you legal.

  • It stops the weed from destroying your garden paths.
  • A plan makes your home much easier to sell.
  • It prevents expensive legal fights with your neighbours.
  • You get expert help to kill the deep roots.
  • It ensures your home remains safe and sound long-term.
  • It saves you money compared to failed DIY attempts.

Why we ask these questions

The report explains how high the risk is and what to do next.

  • It identifies if the plant is definitely knotweed.
  • It gives a clear plan to control the growth.
  • The report lists costs for removing the weed safely.
  • It confirms if the plant has caused structural damage.
  • It helps banks decide if the property is safe.
  • It details how to dispose of waste legally.

Frequently asked questions

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