P35 Expert Witness Report in Sussex?

P35 Expert Witness Report Sussex

In a Japanese Knotweed dispute in Sussex?

The Part 35 Expert Witness Report we prepare meets legal standards and provides reliable, court-admissible evidence.

Fast, Clear, Planning-Ready Support

Fast response 

Calls answered in 2 rings, emails replied to within the hour.

Free expert advice

Clear guidance before you commit.

Cost-effective

Working in partnership with clients to ensure planning approval first time

Typical 10 day turnaround

Industry Leading Standard

Expert Team

We stay with you from first call through to submission. 

Do you need a P35 Report?

You may need to commission a report in situations such as:

  • Following a property purchase, if Japanese Knotweed is found on a site previously declared as ‘No’ on the TA6 Property Information Form.

  • Where there is suspected misrepresentation or non-disclosure of Japanese Knotweed during the conveyancing process.

  • If expert evidence is required to support a legal claim against a seller, surveyor, or conveyancer concerning Japanese Knotweed.

  • When you need to confirm the presence, extent, and approximate age of Japanese Knotweed for legal or insurance purposes.

  • If a lender, solicitor, or insurer specifically requests a Part 35 Expert Witness Report.

Who uses our Expert Witness Services?

Who We Work With

  • Legal professionals: Solicitors and law firms requiring independent, court-admissible evidence.

  • Insurance experts: Insurers and loss adjusters evaluating cause, liability, and remediation options.

  • Construction stakeholders: Developers and contractors managing planning challenges or property damage disputes.

  • Regulatory bodies: Local authorities overseeing compliance, enforcement, or environmental concerns.

  • Private clients: Homeowners and property owners seeking impartial guidance in complex situations.

Engaging an expert early helps establish facts, reduce costs, and prevent disputes from escalating.

We provide Japanese Knotweed identification and removal services across Sussex including: Brighton, Chichester, Crawley, Eastbourne, Worthing, Horsham, Hove, and surrounding towns and rural areas.

PCA Accreditation

As proud members of the Property Care Association (PCA), we were among the first companies in the UK qualified to produce P35 Expert Reports that meet the highest industry and legal standards. This accreditation guarantees the quality, accuracy, and integrity of every report we deliver.

Local Case Insight

On a residential development in Sussex, Japanese Knotweed was identified along the site boundaries during pre-construction checks. A comprehensive survey was undertaken, followed by a detailed removal and management plan submitted to the local planning authority. The plan specified eradication methods, ongoing monitoring, and compliance measures. Approval was granted on first submission, allowing construction to proceed on schedule without delays or additional costs.

What is included in your P35 Report.

We provide a P35 that meet the requirements of our clients, they are Court compliant and help to provide evidence and information about your specific case.

Key Deliverables for P35's in Sussex

Your P35 plan is structured to meet your requirements and provide the following:

  • Verification of the presence of Japanese Knotweed and the extent of the infestation.
  • Identification and assessment of underground rhizome zones.
  • Evaluation of the risk of spread and any boundary encroachment.
  • Recommended treatment options, along with estimated remediation costs and timeframes.
  1.  

Step 1

Survey and Identification

Confirms the presence of Japanese Knotweed and documents the site boundaries along with the Plant’s potential for further growth.

Step 2

Legal Report

Presents the findings for legal, mortgage, or planning purposes and provides a robust, defensible report ready for submission.

Step 3

Remediation Plan

Defines safe, proportionate treatment measures and provides a clear, evidence-based pathway for remediation.

Step 4

Expert Witness Support

Provides an independent expert opinion for disputes, delivering compliant testimony and evidence that can be fully cross-examined.

Next Steps

Do you need a Japanese Knotweed P35 Report in Sussex? Let’s confirm your site’s requirements and keep your project on track. 

FAQ - P35 in Sussex

My architect or developer says I need Japanese Knotweed identification and removal — what is it?

It is a professional plan that identifies Japanese Knotweed and outlines safe removal or containment methods. The plan ensures your Sussex development meets legal and planning requirements and helps prevent future property damage.

Yes. A detailed survey is essential to accurately map infestations and develop a safe, effective removal or containment strategy.

Yes. Even minor developments may require a removal plan if Japanese Knotweed is present. Local authorities in Sussex can impose conditions to protect neighbouring properties and ensure safe development.

If I already have planning permission in Sussex, why am I being asked for a Japanese Knotweed plan?

This usually indicates your site has confirmed or suspected knotweed. Local councils require evidence that it will be safely managed. Construction or development may be delayed until the plan is approved.

Applicable councils include:

Most plans can be completed within 10 working days, depending on site size and complexity. Larger or phased developments may require additional time.

Yes. The survey identifies and maps knotweed, while the removal plan details how it will be safely eradicated, managed, and monitored over time.

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