About Us

The UK’s original Japanese knotweed treatment and control company

What We Do


Invasive Non-Native Species (INNS) Removal & Site Clearance and preparation


Site Clearance

Our land clearing and tree felling services are designed to get your site ready for development.



We can remove Japanese Knotweed from your property permanently.


Our Experience

Japanese Knotweed eradication and management experts

Elcot Environmental are Japanese Knotweed experts with over 38 years experience in the invasive weeds field. We help building contractors, large industrial sites and domestic homeowners understand the problem with invasive weeds while providing an effective range of treatments backed by a guarantee.

We operate across the country but specialize in London and areas surrounding the M4 corridor to provide personalised removal plans based on each individual site. Over the years we have helped many clients tackle their Knotweed nightmares and can confidently say we offer a 100% eradication success rate.

With welcome experience in Japanese Knotweed treatment going back to 1982 and providing specialist management services since the mid 90’s to clients including the Welsh Development Agency, local authorities, and major developers; Elcot Environmental is the company many contractors use time and time again, because of our in-depth knowledge eradicating Japanese Knotweed in an environmentally conscious way, we’re widely regarded as one of the top Japanese Knotweed eradication and management specialists in the UK.

Commercial Site Clearance

With over 38 years experience on large-scale commercial site clearance projects, our highly experienced team of specialists are capable of tackling jobs of all sizes and complexities.


Why Choose Elcot

You can expect a seamless operation, with Health & Safety, Quality and Environment managed from start to finish to high standards.

  • Free up your management

(So you can focus on the next stage)

  • No subcontractor conflicts

(No Delays, cost overruns or disputes)

  • Reliable budget values for whole package

(In the main we will offer a fixed price all risk contract)

  • Using a contractor with a can do, solutions minded attitude

(Obstacles are there to be overcome not to hide behind)

  • Delivery of completion on time

(You can get on with your development and get the best Return on Investment)

Who We Are

Our Mission Statement

To gain and maintain the confidence of all those we have to deal with.
To be the client’s first choice in our field of operations and for the client never to regret that choice.

Our Vision

To do and to be the best, and by that practise, to be now and in the future, the most trusted Knotweed Management Company in the UK.


Our Values

Above all integrityCost what it may
TruthfulIf you tell the truth you don’t have to remember what you said
EnthusiasticEverything goes better if you are
ProfessionalDo it right the first time so that it doesn’t have to be done again
Be honest about our failings: And putting them right
Respect for humanityBecause we are all human

    Commercial Japanese Knotweed removal and land clearance. Trust us.

    Covering the UK

    Swindon Office

    Blunsdon, Swindon, SN25 5DL

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    Call Us


    Use our online contact form to send us an email.

    Swansea Office

    Princess Way, Swansea, SA1 3LW

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    Call Us

    01792 930199

    Elcot Logo text with symbol

    Elcot Environmental Ltd

    The Nurseries
    Kingsdown Lane
    SN25 5DL

    Contact Us

    01793 700100