London Japanese Knotweed Removal
London Japanese Knotweed Removal
Eradication and Removal of Japanese Knotweed by London's Leading Specialist Contractor
020 3488 0922.


You have reached the website of Van Gilst Horticulture Ltd, a specialist Japanese Knotweed contractor

"Thanks Marc - Your timely intervention and no nonsense advice has saved the Borough £1000's"

We produce affordable, cost effective solutions for the management and eradication of Japanese Knotweed

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Our Clients

We have many private customers as well as corporate and public sector clients including

95% of our work comes through recommendation - a fact that speaks volumes.

Customer Reviews

Construction Services

Our Japanese Knotweed services for property developers and land asset managers include

Click on the link below to find out more

Construction Services

Legal Services

We are on hand to give advice on all aspects of the law relating to Japanese Knotweed

Help and advice on any legal implications concerning Japanese Knotweed

Legal Services

General Services

Whatever the problem, get in touch for some free friendly advice.

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NPTC PA1/PA6 Pesticide Certified

Our staff are certified to NPTC PA1/PA6 in the legal use of pesticides and herbicides.

This is a Legal Requirement

Catastrophic environmental damage can be done to our eco system by incorrect use of herbicides. Contractors without NPTC qualifications are breaking the law and can be prosecuted by the Environment Agency.

NPTC Pesticide Qualifications

FREE Knotweed Mortgage Reports

JK reports and surveys for residential mortgage and remortgage purpose normally cost £250.

If you sign up for a five year management plan, the report is completely FREE!

FREE Mortgage Reports

We are Licensed Waste Carriers

We hold a license granted by the Environment Agency to transport and dispose of hazardous waste

This is a Legal Requirement

Japanese Knotweed is classed as controlled waste. Allowing it to be transported without a license means that YOU and your contractor may face prosecution.

Licensed Waste Carriers

Japanese Knotweed Photographic Identification

Knotweed Photo Identification

Knotweed Mortgage Surveys

For home sellers and buyers, as well as mortgage lenders. There has been a lot of scary stuff in the news recently concerning refusal by banks and building societies to give mortgages on property which have Japanese Knotweed in the garden or on adjacent land.

We produce Professional Knotweed Management Plans for mortgage purposes.

The procedure involves a site visit, following which a report is produced, along with a method statement and a five year treatment plan.

Unfortunately, it's not cheap but we are one of the most affordable and cost effective services in London

Knotweed Mortgage Surveys

Expert Witness on Knotweed

We supply Expert Witness Services in London for Japanese Knotweed disputes of any type.

Our services include briefing advocates and solicitors. We deal with Planning Appeals and civil disputes between neighbours, etc.Our services comply with LPA Policy Guidance and Part 35 of the Civil Procedure Rules

Expert Witness

Knotweed on Construction Sites

  • Knotweed Clerk of Works
  • Reports and Surveys
  • Knotweed Management Plans
  • Pre-Purchase inspections
  • Site Feasibility Study
  • Site Supervision
  • Method Statements
  • Planning Applications & Appeals
  • Land Remediation Relief
  • Knotweed Toolbox Talks

We are leading knotweed removal specialists with cutting edge experience and innovative expertise in the control and eradication of Japanese Knotweed infestations.

Construction Site Services

Japanese Knotweed identification

A guide on how to identify Knotweed. Caution, there are other plant species very similar in appearance.

If you have a London post code,we will identify knotweed from pictures you send us

Click on the link below for more details

Knotweed identification

Knotweed Removal Methods

  • Herbicidal Spraying
  • Herbicidal Stem Injection
  • Excavation - Dig and Dump
  • Excavation - Stockpile and Bund
  • Excavation - Screening & Sifting
  • Excavation - Cell Burial
  • Root Barriers

On construction sites, time is limited. Combined methods involving excavation and herbicide treatment is used.

On residential property and council park land herbicidal stem injection is generally used with great effect.

Knotweed Removal Methods

Guarantee and Warranties

Myths, Truth and Lies

Read the truth about misleading and unscrupulous 100% guaranteed eradication claims by contractors

Guarantees and Warranty

Knotweed Insurance Surveys

We have been producing arboricultural Insurance Reports for over 30 years and have considerable experience in producing Knotweed surveys and reports.

We will evaluate the damage that knotweed has caused. We will also recommend treatment methods, a schedule of works and and give an estimate of remediation costs.

Insurance Reports

Customer Reviews

Our well deserved reputation, is based on achieving a 150% satisfaction level for our customers.

We can provide a set of out standing checkable references and we have a wow factor client list.

Customer Reviews

Other Invasive Weeds

We offer an invasive weed removal service as well as dealing with other problem plants.

We deal with

  • Buddleia
  • Giant Hogweed
  • Ragwort
  • Himalayan Balsam

In particular, we are frequently asked to remove problem ivy throughout London

Invasive Weeds

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