P35 Expert Witness Report in Wales

P35 Expert Witness Report Wales

In a Japanese Knotweed dispute in Wales?

Our Part 35 Expert Witness Report provides fully compliant, evidence-based findings suitable for use in court proceedings.

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 would need to carry out a report in the following situations:

  • Japanese Knotweed is identified on a property or site after purchase, despite the TA6 Property Information Form indicating “No.”

  • There is suspected non-disclosure or inaccurate reporting of Japanese Knotweed during the conveyancing process.

  • Independent expert evidence is needed to support a legal claim against a seller, surveyor, or conveyancer.

  • Verification of the presence, spread, and likely age of Japanese Knotweed is required for legal, insurance, or remediation purposes.

  • A lender, solicitor, or insurer has specifically requested a Part 35 Expert Witness Report.

Who uses our Expert Witness Services?

We support a variety of clients who require expert, impartial advice:

  • Legal professionals and solicitors seeking independent, court-ready evidence.

  • Insurance companies and loss adjusters investigating causes, liability, and remediation strategies.

  • Developers and contractors navigating planning requirements or disputes over property damage.

  • Local authorities responsible for ensuring compliance and enforcement.

  • Private property owners looking for objective guidance in complex or high-risk situations.

Involving an expert early ensures that facts are clearly established, costs are controlled, and disputes are resolved efficiently.

We provide Japanese Knotweed identification and removal services across Wales including: Cardiff, Swansea, Newport, Wrexham, Bangor, Carmarthen, 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 Wales, Japanese Knotweed was discovered along the boundaries of the site during early inspections. A comprehensive survey was conducted, and a detailed removal and management plan was prepared and submitted to the local planning authority. The plan outlined eradication methods, monitoring procedures, and compliance measures. Approval was granted on first submission, enabling 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 Wales

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 Wales? Let’s confirm your site’s requirements and keep your project on track. 

FAQ - P35 in Wales

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 details safe removal or containment measures. The plan ensures your Welsh development complies with legal and planning requirements and prevents future property damage.

Yes. A detailed site 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 Wales can impose conditions to protect neighbouring properties and ensure safe development.

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

This usually means your site has confirmed or suspected knotweed. Welsh councils require evidence that it will be safely managed. Until the plan is approved, construction or development may be delayed.

Applicable councils include:

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

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

Other Legal Report